I had got a problem in unlimited connexion mode of ktorrent, it seems to have tonight with a svn of 7days before 2.1rc1 (svn r618630).
I started ktorrent for the night with two finished multifiles seed (set as download I don't know why, cause a stupid .sfv not marked as dl maybe)
And 3torrents (popular, ncas and storgate episods).
After checking why ktorrent wasn't running anymore, I saw in kernel message that ktorrent have been killed by kernel cause it missed of memory...
It hadn't be the first one killed, mysqld passed away first, but the bloody murder chain ended on ktorrent so i suspect it's the responsible of memory out of memory...

/var/log/errors show that :

Code: Select all

Jan 20 23:11:39 rapsys kernel: Out of Memory: Kill process 18038 (mysqlmanager) score 41359 and children.
Jan 20 23:11:39 rapsys kernel: Out of memory: Killed process 18039 (mysqld).
Jan 20 23:11:39 rapsys kernel: Out of Memory: Kill process 19057 (ktorrent) score 31756 and children.
Jan 20 23:11:39 rapsys kernel: Out of memory: Killed process 19057 (ktorrent).

/var/log/warnings show that :

Code: Select all

Jan 20 23:11:39 rapsys kernel: ktorrent invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443985>] sync_page+0x35/0x50
Jan 20 23:11:39 rapsys kernel: [<c05cdd4b>] __wait_on_bit_lock+0x5b/0x70
Jan 20 23:11:39 rapsys kernel: [<c0443950>] sync_page+0x0/0x50
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c0403fea>] common_interrupt+0x1a/0x20
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: syslog-ng invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: konversation invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443985>] sync_page+0x35/0x50
Jan 20 23:11:39 rapsys kernel: [<c05cdd4b>] __wait_on_bit_lock+0x5b/0x70
Jan 20 23:11:39 rapsys kernel: [<c0443950>] sync_page+0x0/0x50
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: konqueror invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443985>] sync_page+0x35/0x50
Jan 20 23:11:39 rapsys kernel: [<c05cdd4b>] __wait_on_bit_lock+0x5b/0x70
Jan 20 23:11:39 rapsys kernel: [<c0443950>] sync_page+0x0/0x50
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0443936>] __lock_page+0x56/0x60
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0403fea>] common_interrupt+0x1a/0x20
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: gam_server invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443985>] sync_page+0x35/0x50
Jan 20 23:11:39 rapsys kernel: [<c05cdd4b>] __wait_on_bit_lock+0x5b/0x70
Jan 20 23:11:39 rapsys kernel: [<c0443950>] sync_page+0x0/0x50
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<f8e8c605>] xfs_file_readdir+0x205/0x240 [xfs]
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: amarokapp invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443ca7>] page_cache_read+0x57/0xd0
Jan 20 23:11:39 rapsys kernel: [<c04464c2>] filemap_nopage+0x1c2/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0411603>] smp_apic_timer_interrupt+0x43/0x50
Jan 20 23:11:39 rapsys kernel: [<c040400f>] apic_timer_interrupt+0x1f/0x30
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: spamd invoked oom-killer: gfp_mask=0x200d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c0458bd1>] read_swap_cache_async+0x71/0xa0
Jan 20 23:11:39 rapsys kernel: [<c044f5d4>] swapin_readahead+0x64/0x80
Jan 20 23:11:39 rapsys kernel: [<c04511c5>] __handle_mm_fault+0x755/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c0403fea>] common_interrupt+0x1a/0x20
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: httpd invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443ca7>] page_cache_read+0x57/0xd0
Jan 20 23:11:39 rapsys kernel: [<c04464c2>] filemap_nopage+0x1c2/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c041f07c>] do_wait+0x44c/0xa60
Jan 20 23:11:39 rapsys kernel: [<c0403fea>] common_interrupt+0x1a/0x20
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: kicker invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c05cdafe>] io_schedule+0xe/0x20
Jan 20 23:11:39 rapsys kernel: [<c0443985>] sync_page+0x35/0x50
Jan 20 23:11:39 rapsys kernel: [<c05cdd4b>] __wait_on_bit_lock+0x5b/0x70
Jan 20 23:11:39 rapsys kernel: [<c0443950>] sync_page+0x0/0x50
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0443936>] __lock_page+0x56/0x60
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123068 inactive:121653 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425792kB inactive:423900kB present:894080kB pages_scanned:1363109 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB
Jan 20 23:11:39 rapsys kernel: syslog-ng invoked oom-killer: gfp_mask=0x201d2, order=0, oomkilladj=0
Jan 20 23:11:39 rapsys kernel: [<c044731b>] out_of_memory+0x17b/0x1a0
Jan 20 23:11:39 rapsys kernel: [<c0448a96>] __alloc_pages+0x2c6/0x330
Jan 20 23:11:39 rapsys kernel: [<c044a4b7>] __do_page_cache_readahead+0xd7/0x260
Jan 20 23:11:39 rapsys kernel: [<c044a3b7>] max_sane_readahead+0x27/0x50
Jan 20 23:11:39 rapsys kernel: [<c0446597>] filemap_nopage+0x297/0x360
Jan 20 23:11:39 rapsys kernel: [<c0450ba5>] __handle_mm_fault+0x135/0x990
Jan 20 23:11:39 rapsys kernel: [<c0417493>] do_page_fault+0x493/0x650
Jan 20 23:11:39 rapsys kernel: [<c0417000>] do_page_fault+0x0/0x650
Jan 20 23:11:39 rapsys kernel: [<c05cecc9>] error_code+0x39/0x40
Jan 20 23:11:39 rapsys kernel: =======================
Jan 20 23:11:39 rapsys kernel: DMA per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:    0, btch:   1 usd:   0   Cold: hi:    0, btch:   1 usd:   0
Jan 20 23:11:39 rapsys kernel: Normal per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:  186, btch:  31 usd:  18   Cold: hi:   62, btch:  15 usd:  14
Jan 20 23:11:39 rapsys kernel: HighMem per-cpu:
Jan 20 23:11:39 rapsys kernel: CPU    0: Hot: hi:   42, btch:   7 usd:   1   Cold: hi:   14, btch:   3 usd:  10
Jan 20 23:11:39 rapsys kernel: Active:123080 inactive:121641 dirty:0 writeback:0 unstable:0 free:2990 slab:6769 mapped:913 pagetables:1113
Jan 20 23:11:39 rapsys kernel: DMA free:4068kB min:68kB low:84kB high:100kB lots:136kB active:4936kB inactive:4096kB present:16256kB pages_scanned:14902 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 873 1000
Jan 20 23:11:39 rapsys kernel: Normal free:7768kB min:3744kB low:4680kB high:5616kB lots:7488kB active:425840kB inactive:423852kB present:894080kB pages_scanned:1363225 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 1015
Jan 20 23:11:39 rapsys kernel: HighMem free:124kB min:128kB low:264kB high:400kB lots:672kB active:61544kB inactive:58616kB present:129988kB pages_scanned:212447 all_unreclaimable? yes
Jan 20 23:11:39 rapsys kernel: lowmem_reserve[]: 0 0 0
Jan 20 23:11:39 rapsys kernel: DMA: 1*4kB 8*8kB 26*16kB 2*32kB 1*64kB 1*128kB 1*256kB 0*512kB 1*1024kB 1*2048kB 0*4096kB = 4068kB
Jan 20 23:11:39 rapsys kernel: Normal: 38*4kB 14*8kB 171*16kB 7*32kB 7*64kB 2*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 7768kB
Jan 20 23:11:39 rapsys kernel: HighMem: 3*4kB 2*8kB 0*16kB 1*32kB 1*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 124kB
Jan 20 23:11:39 rapsys kernel: Swap cache: add 1431484, delete 1431222, find 875655/986237, race 98669+930
Jan 20 23:11:39 rapsys kernel: Free swap  = 0kB
Jan 20 23:11:39 rapsys kernel: Total swap = 1052216kB

I have a mandriva 2007.0, with running :
- apache (small dev website, 5process)
- mysql (10tables)
- acpid
- crond
- dm
- shorewall (iptables)
- dbus
- network
- ntpd
- postfix (local smtpd)
- ssh
- syslog-ng
- udev
- wltools

With a user kde 3.5.4 session with :
- amarok (webradio playing)
- konversation (irc)
- kopete (msn, jabber)
- kcpuload
- netmontools
- kwikdisk (kdf improved)
- kmix
- kwallet
- kmail
- ktorrent (4 instance, include 2preloaded one, with 10tabs for 2 used one)

And ktorrent.

I growed my user number of file handler limit to this :
rapsys soft nofile 2048
rapsys hard nofile 8196

I have 1GB DDR pc3200 memory used that way typicaly :
Memory :
Disk cache: 36%
Disk buffer: 22%
Application data: 39%
Swap:
42% used

If i switch off the swap :
Application data: 64%
Cache disk: 25%
Disk buffer: 6%

I just went to check in fact the ktorrent client was put on "high" memory use.

Any idea how much memory it was using ?

Also I wouldn't recommend running with no connection limits, you will just get more and more peers, and there are only so many peers you can download from and upload to.

KT will not refuse any connections, so if you have a very popular torrent, and the connections just keep coming in, we will just keep accepting them, until **** happens and you run out of memory.

I have seen it happen on torrents with more then 20K peers, that incoming connections just keep coming.

Any idea to put some security to avoid kernel kill gun fire ?

I mean deal with error of memory allocation and similar.
(I remember there are such error in malloc function: try later of example)

I think it's good for ktorrent to use all the avaible memory, but that would be great to make it not get out of it...

Well, you could always set some limits for ktorrent via ulimit to make shure only ktorrent would die instead of other processes.

A limit of 512Mb should be ok.
# ulimit -m 524288

Just remember not to set it to low or to high.

ldc wrote:Well, you could always set some limits for ktorrent via ulimit to make shure only ktorrent would die instead of other processes.

A limit of 512Mb should be ok.
# ulimit -m 524288

Just remember not to set it to low or to high.

Yeah, but ktorrent will be erratic (crash, error, killed) when it hits that limit.


I don't understand why you want your KTorrent to be accepting unlimited connections. The Linux networking stack is capable of letting you accept thousands after thousands of connections -- more than you'd possibly ever use -- which will decrease your download efficiency because of BitTorrent protocol overhead chewing up your bandwidth.