You should not run a Linux system without swap. If a process tries to allocate memory and no more real memory is available and also no swap OOM will start killing. It's a workstation I guess? -of Dave Mitchell <davem@xxxxxxxxx> schrieb: >I've recently upgraded my F11 system's RAM from 1Gb to 2Gb, and at the >same time removed the swap device from /etc/fstab. Since then I'm getting >the OOM killer killing off random processes after a few days' use, even >when memory usage is (apparently) low. > >Can anyone advise me what's causing this? > >Its a 32-bit system, and I have a suspicion its something to do with low >memory, but the tips I've found via Google seem to refer to the kernel >parameter /proc/sys/vm/lower_zone_protection, which no longer exists. >Further googling implies that this has been replaced with >/proc/sys/vm/lowmem_reserve_ratio, but I can't make head nor tail of its >documentation. > >Here is the state of my system after firefox and metacity were killed off, >and I'd restarted firefox: > ># free -l > total used free shared buffers cached >Mem: 2053480 1364452 689028 0 2048 965144 >Low: 875028 866216 8812 >High: 1178452 498236 680216 >-/+ buffers/cache: 397260 1656220 >Swap: 0 0 0 > ># cat /proc/meminfo >MemTotal: 2053480 kB >MemFree: 662628 kB >Buffers: 1816 kB >Cached: 968580 kB >SwapCached: 0 kB >Active: 704108 kB >Inactive: 586296 kB >Active(anon): 602384 kB >Inactive(anon): 503044 kB >Active(file): 101724 kB >Inactive(file): 83252 kB >Unevictable: 8 kB >Mlocked: 8 kB >HighTotal: 1178452 kB >HighFree: 653708 kB >LowTotal: 875028 kB >LowFree: 8920 kB >SwapTotal: 0 kB >SwapFree: 0 kB >Dirty: 140 kB >Writeback: 0 kB >AnonPages: 320048 kB >Mapped: 66756 kB >Slab: 55960 kB >SReclaimable: 17312 kB >SUnreclaim: 38648 kB >PageTables: 11492 kB >NFS_Unstable: 0 kB >Bounce: 0 kB >WritebackTmp: 0 kB >CommitLimit: 1026740 kB >Committed_AS: 1810392 kB >VmallocTotal: 122880 kB >VmallocUsed: 24236 kB >VmallocChunk: 83532 kB >HugePages_Total: 0 >HugePages_Free: 0 >HugePages_Rsvd: 0 >HugePages_Surp: 0 >Hugepagesize: 2048 kB >DirectMap4k: 12280 kB >DirectMap2M: 897024 kB > > >>From /var/log/messages: > > >Apr 16 12:12:58 pigeon kernel: Xorg invoked oom-killer: gfp_mask=0x201d4, order=0, oomkilladj=0 >Apr 16 12:12:58 pigeon kernel: Xorg cpuset=/ mems_allowed=0 >Apr 16 12:12:58 pigeon kernel: Pid: 1844, comm: Xorg Not tainted 2.6.30.10-105.2.23.fc11.i686.PAE #1 >Apr 16 12:12:58 pigeon kernel: Call Trace: >Apr 16 12:12:58 pigeon kernel: [<c048b7a5>] oom_kill_process+0x6e/0x1f2 >Apr 16 12:12:58 pigeon kernel: [<c048bd54>] ? select_bad_process+0x87/0xce >Apr 16 12:12:58 pigeon kernel: [<c048be0e>] __out_of_memory+0x73/0x82 >Apr 16 12:12:58 pigeon kernel: [<c048be80>] out_of_memory+0x63/0x88 >Apr 16 12:12:58 pigeon kernel: [<c048e0a1>] __alloc_pages_internal+0x2e8/0x38a >Apr 16 12:12:58 pigeon kernel: [<c0488bd1>] __page_cache_alloc+0x16/0x18 >Apr 16 12:12:58 pigeon kernel: [<c0489a43>] read_cache_page_async+0x34/0xfd >Apr 16 12:12:58 pigeon kernel: [<c0495eea>] ? shmem_readpage+0x0/0x36 >Apr 16 12:12:58 pigeon kernel: [<c0489b1d>] read_cache_page+0x11/0x49 >Apr 16 12:12:58 pigeon kernel: [<f821a134>] i915_gem_object_get_pages+0x91/0xdc [i915] >Apr 16 12:12:58 pigeon kernel: [<f821bc8b>] i915_gem_object_bind_to_gtt+0x162/0x1f6 [i915] >Apr 16 12:12:58 pigeon kernel: [<f821cbb5>] i915_gem_mmap_gtt_ioctl+0x189/0x1cc [i915] >Apr 16 12:12:58 pigeon kernel: [<f81bbbf8>] drm_ioctl+0x202/0x292 [drm] >Apr 16 12:12:58 pigeon kernel: [<f821ca2c>] ? i915_gem_mmap_gtt_ioctl+0x0/0x1cc [i915] >Apr 16 12:12:58 pigeon kernel: [<c05485bc>] ? inode_has_perm+0x60/0x6a >Apr 16 12:12:58 pigeon kernel: [<c04bd01e>] vfs_ioctl+0x5c/0x76 >Apr 16 12:12:58 pigeon kernel: [<c04bd4a5>] do_vfs_ioctl+0x46d/0x4a7 >Apr 16 12:12:58 pigeon kernel: [<c05488d7>] ? selinux_file_ioctl+0x43/0x46 >Apr 16 12:12:58 pigeon kernel: [<c04bd525>] sys_ioctl+0x46/0x66 >Apr 16 12:12:58 pigeon kernel: [<c0408474>] sysenter_do_call+0x12/0x28 >Apr 16 12:12:58 pigeon kernel: Mem-Info: >Apr 16 12:12:58 pigeon kernel: DMA per-cpu: >Apr 16 12:12:58 pigeon kernel: CPU 0: hi: 0, btch: 1 usd: 0 >Apr 16 12:12:58 pigeon kernel: CPU 1: hi: 0, btch: 1 usd: 0 >Apr 16 12:12:58 pigeon kernel: Normal per-cpu: >Apr 16 12:12:58 pigeon kernel: CPU 0: hi: 186, btch: 31 usd: 185 >Apr 16 12:12:58 pigeon kernel: CPU 1: hi: 186, btch: 31 usd: 164 >Apr 16 12:12:58 pigeon kernel: HighMem per-cpu: >Apr 16 12:12:58 pigeon kernel: CPU 0: hi: 186, btch: 31 usd: 166 >Apr 16 12:12:58 pigeon kernel: CPU 1: hi: 186, btch: 31 usd: 33 >Apr 16 12:12:58 pigeon kernel: Active_anon:175891 active_file:49820 inactive_anon:143709 >Apr 16 12:12:58 pigeon kernel: inactive_file:16710 unevictable:2 dirty:2 writeback:0 unstable:0 >Apr 16 12:12:58 pigeon kernel: free:100672 slab:14946 mapped:17942 pagetables:3270 bounce:0 >Apr 16 12:12:58 pigeon kernel: DMA free:3548kB min:64kB low:80kB high:96kB active_anon:2516kB inactive_anon:2704kB active_file:0kB inactive_file:0kB unevictable:0kB present:15868kB pages_scanned:2647 all_unreclaimable? no >Apr 16 12:12:58 pigeon kernel: lowmem_reserve[]: 0 865 2007 2007 >Apr 16 12:12:58 pigeon kernel: Normal free:3400kB min:3728kB low:4660kB high:5592kB active_anon:387844kB inactive_anon:387984kB active_file:92kB inactive_file:0kB unevictable:0kB present:885944kB pages_scanned:675605 all_unreclaimable? no >Apr 16 12:12:58 pigeon kernel: lowmem_reserve[]: 0 0 9134 9134 >Apr 16 12:12:58 pigeon kernel: HighMem free:395740kB min:512kB low:1740kB high:2972kB active_anon:313204kB inactive_anon:184120kB active_file:199188kB inactive_file:66840kB unevictable:8kB present:1169244kB pages_scanned:0 all_unreclaimable? no >Apr 16 12:12:58 pigeon kernel: lowmem_reserve[]: 0 0 0 0 >Apr 16 12:12:58 pigeon kernel: DMA: 1*4kB 20*8kB 19*16kB 16*32kB 6*64kB 1*128kB 0*256kB 0*512kB 0*1024kB 1*2048kB 0*4096kB = 3540kB >Apr 16 12:12:58 pigeon kernel: Normal: 328*4kB 15*8kB 8*16kB 1*32kB 10*64kB 1*128kB 0*256kB 0*512kB 1*1024kB 0*2048kB 0*4096kB = 3384kB >Apr 16 12:12:58 pigeon kernel: HighMem: 2421*4kB 20044*8kB 9039*16kB 2230*32kB 153*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 395812kB >Apr 16 12:12:58 pigeon kernel: 263903 total pagecache pages >Apr 16 12:12:58 pigeon kernel: 0 pages in swap cache >Apr 16 12:12:58 pigeon kernel: Swap cache stats: add 0, delete 0, find 0/0 >Apr 16 12:12:58 pigeon kernel: Free swap = 0kB >Apr 16 12:12:58 pigeon kernel: Total swap = 0kB >Apr 16 12:12:58 pigeon kernel: 521939 pages RAM >Apr 16 12:12:58 pigeon kernel: 294613 pages HighMem >Apr 16 12:12:58 pigeon kernel: 8602 pages reserved >Apr 16 12:12:58 pigeon kernel: 157846 pages shared >Apr 16 12:12:58 pigeon kernel: 347371 pages non-shared >Apr 16 12:12:58 pigeon kernel: Out of memory: kill process 6638 (run-mozilla.sh) score 459935 or a child >Apr 16 12:12:58 pigeon kernel: Killed process 6653 (firefox) > >(and so on). > > >-- >There's a traditional definition of a shyster: a lawyer who, when the law >is against him, pounds on the facts; when the facts are against him, >pounds on the law; and when both the facts and the law are against him, >pounds on the table. > -- Eben Moglen referring to SCO >-- >users mailing list >users@xxxxxxxxxxxxxxxxxxxxxxx >To unsubscribe or change subscription options: >https://admin.fedoraproject.org/mailman/listinfo/users >Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
