Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932147AbWHGPTv (ORCPT ); Mon, 7 Aug 2006 11:19:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932144AbWHGPTu (ORCPT ); Mon, 7 Aug 2006 11:19:50 -0400 Received: from wr-out-0506.google.com ([64.233.184.226]:15997 "EHLO wr-out-0506.google.com") by vger.kernel.org with ESMTP id S932147AbWHGPTu (ORCPT ); Mon, 7 Aug 2006 11:19:50 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:mime-version:content-type:content-transfer-encoding:content-disposition; b=dg4XpFUS5U+MrnSfmmkOk805aM0n12zZiAZGyJd228SAXzk3khTIcR+sVAugvWP1hhkO+7iJdJ4mZ8f6d2TzvHckWKInXXOfESp2Oi8BqmRCleNSDO9xnlAqQUO1SYDelEow80GHgk/vyPg5BIVLRfAyHEqEQhI3huguuqSUw1s= Message-ID: <5bdc1c8b0608070819w653368cm82112655a7b98ec4@mail.gmail.com> Date: Mon, 7 Aug 2006 08:19:48 -0700 From: "Mark Knecht" To: linux-kernel Subject: Call Trace: 2.6.17-rt5: Call Trace: {out_of_memory+55} Cc: "Ingo Molnar" MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8003 Lines: 219 Hi all, I've never seen this on 2.6.17-rt5. Up until today it had always been quite stable. I was running MythTV at the time. Nothing out of the ordinary. Excuse my lack of experience here but after an event like this what is the proper way to make sure the kernel is as stable as it can be? Do I need to clean anything up? Reboot? Or is the cleanup all automatic and everything is fine? Thanks, Mark mark@lightning ~ $ uname -a Linux lightning 2.6.17-rt5 #1 PREEMPT Sat Jul 1 17:02:05 PDT 2006 x86_64 AMD Athlon(tm) 64 Processor 3000+ GNU/Linux mark@lightning ~ $ mark@lightning ~ $ free total used free shared buffers cached Mem: 1025928 177808 848120 0 6488 64664 -/+ buffers/cache: 106656 919272 Swap: 2008084 111352 1896732 mark@lightning ~ $ EXT3 FS on sdc1, internal journal EXT3-fs: mounted filesystem with ordered data mode. ieee1394: Node changed: 0-01:1023 -> 0-00:1023 ieee1394: Node changed: 0-02:1023 -> 0-01:1023 ieee1394: Reconnected to SBP-2 device ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] ieee1394: Node suspended: ID:BUS[0-00:1023] GUID[00303c020010645c] ieee1394: Node changed: 0-01:1023 -> 0-00:1023 ieee1394: Node suspended: ID:BUS[0-00:1023] GUID[0050c504e0006463] oom-killer: gfp_mask=0x201d2, order=0 Call Trace: {out_of_memory+55} {__alloc_pages+531} {__do_page_cache_readahead+206} {debug_rt_mutex_unlock+288} {filemap_nopage+334} {__handle_mm_fault+953} {do_page_fault+1046} {thread_return+177} {sys_futex+173} {error_exit+0} --------------------------- | preempt count: 00000000 ] | 0-level deep critical section nesting: ---------------------------------------- Mem-info: DMA per-cpu: cpu 0 hot: high 0, batch 1 used:0 cpu 0 cold: high 0, batch 1 used:0 DMA32 per-cpu: cpu 0 hot: high 186, batch 31 used:0 cpu 0 cold: high 62, batch 15 used:0 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 8712kB (0kB HighMem) Active:121456 inactive:121471 dirty:0 writeback:0 unstable:0 free:2178 slab:4887 mapped:242043 pagetables:2298 DMA free:4028kB min:36kB low:44kB high:52kB active:2820kB inactive:2860kB presen t:9700kB pages_scanned:2265 all_unreclaimable? no lowmem_reserve[]: 0 994 994 994 DMA32 free:4684kB min:4012kB low:5012kB high:6016kB active:483004kB inactive:483 024kB present:1018020kB pages_scanned:241386 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pag es_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present: 0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 5*4kB 1*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 4028kB DMA32: 233*4kB 41*8kB 10*16kB 4*32kB 1*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 1*2 048kB 0*4096kB = 4684kB Normal: empty HighMem: empty Swap cache: add 529025, delete 528759, find 4504/7351, race 0+3 Free swap = 0kB Total swap = 2008084kB Free swap: 0kB 262128 pages of RAM 5646 reserved pages 7844 pages shared 266 pages swap cached Out of Memory: Kill process 2505 (mythfrontend) score 757537 and children. Out of memory: Killed process 2505 (mythfrontend). oom-killer: gfp_mask=0x201d2, order=0 Call Trace: {out_of_memory+55} {__alloc_pages+531} {__do_page_cache_readahead+206} {debug_rt_mutex_unlock+288} {filemap_nopage+334} {__handle_mm_fault+953} {do_page_fault+1046} {sock_ioctl+445} {do_ioctl+41} {vfs_ioctl+626} {error_exit+0} --------------------------- | preempt count: 00000000 ] | 0-level deep critical section nesting: ---------------------------------------- Mem-info: DMA per-cpu: cpu 0 hot: high 0, batch 1 used:0 cpu 0 cold: high 0, batch 1 used:0 DMA32 per-cpu: cpu 0 hot: high 186, batch 31 used:0 cpu 0 cold: high 62, batch 15 used:0 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 8024kB (0kB HighMem) Active:3577 inactive:239595 dirty:0 writeback:0 unstable:0 free:2006 slab:4889 m apped:242076 pagetables:2298 DMA free:4012kB min:36kB low:44kB high:52kB active:2920kB inactive:2812kB presen t:9700kB pages_scanned:6214 all_unreclaimable? yes lowmem_reserve[]: 0 994 994 994 DMA32 free:4012kB min:4012kB low:5012kB high:6016kB active:11388kB inactive:9555 68kB present:1018020kB pages_scanned:351254 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pag es_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present: 0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 1*4kB 1*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 4012kB DMA32: 63*4kB 40*8kB 11*16kB 4*32kB 1*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 1*20 48kB 0*4096kB = 4012kB Normal: empty HighMem: empty Swap cache: add 529099, delete 528833, find 4506/7361, race 0+3 Free swap = 0kB Total swap = 2008084kB Free swap: 0kB 262128 pages of RAM 5646 reserved pages 7845 pages shared 266 pages swap cached oom-killer: gfp_mask=0x201d2, order=0 Call Trace: {out_of_memory+55} {__alloc_pages+531} {__do_page_cache_readahead+206} {debug_rt_mutex_unlock+288} {filemap_nopage+334} {__handle_mm_fault+953} {do_page_fault+1046} {sys_newstat+40} {error_exit+0} --------------------------- | preempt count: 00000000 ] | 0-level deep critical section nesting: ---------------------------------------- Mem-info: DMA per-cpu: cpu 0 hot: high 0, batch 1 used:0 cpu 0 cold: high 0, batch 1 used:0 DMA32 per-cpu: cpu 0 hot: high 186, batch 31 used:0 cpu 0 cold: high 62, batch 15 used:0 Normal per-cpu: empty HighMem per-cpu: empty Free pages: 8024kB (0kB HighMem) Active:16105 inactive:227096 dirty:0 writeback:0 unstable:0 free:2006 slab:4889 mapped:242076 pagetables:2298 DMA free:4012kB min:36kB low:44kB high:52kB active:2920kB inactive:2812kB presen t:9700kB pages_scanned:6214 all_unreclaimable? yes lowmem_reserve[]: 0 994 994 994 DMA32 free:4012kB min:4012kB low:5012kB high:6016kB active:61500kB inactive:9055 72kB present:1018020kB pages_scanned:25160 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 Normal free:0kB min:0kB low:0kB high:0kB active:0kB inactive:0kB present:0kB pag es_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 HighMem free:0kB min:128kB low:128kB high:128kB active:0kB inactive:0kB present: 0kB pages_scanned:0 all_unreclaimable? no lowmem_reserve[]: 0 0 0 0 DMA: 1*4kB 1*8kB 0*16kB 1*32kB 0*64kB 1*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 4012kB DMA32: 53*4kB 45*8kB 11*16kB 4*32kB 1*64kB 0*128kB 0*256kB 0*512kB 1*1024kB 1*20 48kB 0*4096kB = 4012kB Normal: empty HighMem: empty Swap cache: add 529099, delete 528833, find 4506/7361, race 0+3 Free swap = 0kB Total swap = 2008084kB Free swap: 0kB 262128 pages of RAM 5646 reserved pages 7821 pages shared 266 pages swap cached mark@lightning ~ $ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/