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SubjectGPFs on 2.0.37pre
Hi!

In the last two weeks or so the system I manage has got some
GPFs... thrice it happened while I was logged in. Once, I did an ls and I
got a 'segmentation fault, core dumped'. The other two times, the system
was under heavy load and it just seg'd some processes and came to a halt.

I don't think it's a "sig 11" because the system has been running
for a year with no problems at all, even under very heavy load.

Now I'm running 2.0.37pre(latest as of yesterday), but this has
happened on normal .36 kernels too. My machine is an AMD K6-200 with 96 MB
of RAM, 1 9 GB ide HD, 1 2 GB ide HD, 32x CD-ROM.

I'm starting to think that this is a RAM problem because 3 days
ago I ran a full e2fsck (with badblocks too) and I got nothing 'unusual'.

I'm attaching a log of my last 'falldown'.

Any great will be greatly appreciated. I want to know if I need to
change my hardware, but I don't want to start fooling around everything.

Thanks again,

-- p.
Mar 11 00:48:58 casal kernel: Inode i_mmap ring corrupted
Mar 11 00:49:24 casal kernel: general protection: 0000
Mar 11 00:49:24 casal kernel: CPU: 0
Mar 11 00:49:24 casal kernel: EIP: 0010:[insert_vm_struct+183/744]
Mar 11 00:49:24 casal kernel: EFLAGS: 00010282
Mar 11 00:49:24 casal kernel: eax: 00000000 ebx: f000ff54 ecx: 00000000 edx: 05f6f52c
Mar 11 00:49:24 casal kernel: esi: 05f6f070 edi: f00081c0 ebp: 4000f000 esp: 03a0bea4
Mar 11 00:49:24 casal kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Mar 11 00:49:24 casal kernel: Process quita_comentari (pid: 27756, process nr: 83, stackpage=03a0b000)
Mar 11 00:49:24 casal kernel: Stack: 05f6f058 00000071 00001000 02894088 f00081c0 04d7cf00 05f6f070 00000005
Mar 11 00:49:24 casal kernel: 03a0bed8 03a32c68 05f6f46c 05f6ffac 05f6f1f0 05f6f070 0015d6d5 0015d708
Mar 11 00:49:24 casal kernel: 03f58300 0015d732 03f58300 03f58300 00000001 03a0bf54 03f58300 0015bfff
Mar 11 00:49:24 casal kernel: Call Trace: [ext2_lookup+129/368] [ext2_lookup+180/368] [ext2_lookup+222/368] [ext2_put_inode+11/104] [iput+205/400] [ext2_permission+142/172] [permission+32/212]
Mar 11 00:49:24 casal kernel: [open_namei+631/1048] [do_mmap+747/832] [old_mmap+115/128] [system_call+85/124]
Mar 11 00:49:24 casal kernel: Code: 0f bf 6b 12 eb 05 8d 76 00 31 ed 83 7c 24 10 00 74 0f 8b 74
Mar 11 00:51:54 casal kernel: kfree of non-kmalloced memory: 04820414, next= 004e7000, order=5
Mar 11 00:52:43 casal kernel: Inode i_mmap ring corrupted
Mar 11 00:52:51 casal kernel: kfree of non-kmalloced memory: 01cab218, next= 01395000, order=1
Mar 11 00:58:15 casal kernel: avl_neighbours: tree inconsistent with list
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40134000-40137000, unmap 40137000-40137000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab298, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40133000-40134000, unmap 40137000-40134000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab0d8, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40132000-40133000, unmap 40137000-40133000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab458, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4012a000-40132000, unmap 40137000-40132000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabc18, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40129000-4012a000, unmap 40137000-4012a000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01caba98, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4011d000-40129000, unmap 40137000-40129000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab118, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40116000-4011d000, unmap 40137000-4011d000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab618, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40084000-40116000, unmap 40137000-40116000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab5d8, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40083000-40084000, unmap 40137000-40084000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabb18, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40082000-40083000, unmap 40137000-40083000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabd98, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40081000-40082000, unmap 40137000-40082000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabf18, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4007f000-40081000, unmap 40137000-40081000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabc98, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40076000-4007f000, unmap 40137000-4007f000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab218, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4006d000-40076000, unmap 40137000-40076000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab658, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4003a000-4006d000, unmap 40137000-4006d000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabad8, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40039000-4003a000, unmap 40137000-4003a000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab918, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40035000-40039000, unmap 40137000-40039000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cabe98, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4000f000-40035000, unmap 40137000-40035000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01caba18, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4000c000-4000f000, unmap 40137000-4000f000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 01cab158, next= 03f2f000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=4000a000-4000c000, unmap 40137000-4000c000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 03f2f298, next= 03bb1000, order=1
Mar 11 00:58:15 casal kernel: unmap_fixup: area=40000000-4000a000, unmap 40137000-4000a000!!
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 03f2f898, next= 03bb1000, order=1
Mar 11 00:58:15 casal kernel: kfree of non-kmalloced memory: 02bedad8, next= 05fff000, order=1
Mar 11 00:59:49 casal kernel: Unable to handle kernel paging request at virtual address 080e2000
Mar 11 00:59:49 casal kernel: current->tss.cr3 = 02cfa000, %cr3 = 02cfa000
Mar 11 00:59:49 casal kernel: *pde = 01a49067
Mar 11 00:59:49 casal kernel: *pte = 00000000
Mar 11 00:59:49 casal kernel: Oops: 0000
Mar 11 00:59:49 casal kernel: CPU: 0
Mar 11 00:59:49 casal kernel: EIP: 0010:[ext2_file_write+585/1116]
Mar 11 00:59:49 casal kernel: EFLAGS: 00010216
Mar 11 00:59:49 casal kernel: eax: 00619118 ebx: 00000400 ecx: 00000100 edx: 0520c800
Mar 11 00:59:49 casal kernel: esi: 080e2000 edi: 0520c800 ebp: 00000400 esp: 02cfbc04
Mar 11 00:59:49 casal kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Mar 11 00:59:49 casal kernel: Process getinfo (pid: 32173, process nr: 68, stackpage=02cfb000)
Mar 11 00:59:49 casal kernel: Stack: 00001000 080e2000 080e2000 8077c000 00000000 00000000 001eb5f8 00000000
Mar 11 00:59:49 casal kernel: 00000000 00003c48 00f12000 00000000 00619118 ffffffe4 00000001 00000001
Mar 11 00:59:49 casal kernel: 00000001 00000001 00112b50 00000008 001e8e98 00000001 02cfbc80 00120820
Mar 11 00:59:49 casal kernel: Call Trace: [timer_bh+248/820] [swap_tick+140/164] [timer_bh+248/820] [do_bottom_half+59/96] [dump_write+28/44] [writenote+167/200] [dump_write+28/44]
Mar 11 00:59:49 casal kernel: [elf_core_dump+2488/2640] [do_no_page+259/808] [do_no_page+391/808] [do_page_fault+0/736] [do_signal+495/632] [signal_return+18/56]
Mar 11 00:59:49 casal kernel: Code: 64 f3 a5 83 e3 03 89 d9 64 f3 a4 55 8b 54 24 34 8b 52 24 03
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6f218, next= 05fb1000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6f418, next= 05fb1000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6fdd8, next= 05fb1000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6f298, next= 05fb1000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1458, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6f718, next= 05fb1000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb17d8, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1658, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1b18, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1418, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1bd8, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb13d8, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1958, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1a58, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05fb1398, next= 03f2f000, order=1
Mar 11 00:59:49 casal kernel: kfree of non-kmalloced memory: 05f6f3d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: Unable to handle kernel paging request at virtual address 40119000
Mar 11 00:59:51 casal kernel: current->tss.cr3 = 0571a000, %cr3 = 0571a000
Mar 11 00:59:51 casal kernel: *pde = 0578e067
Mar 11 00:59:51 casal kernel: *pte = 00000000
Mar 11 00:59:51 casal kernel: Oops: 0000
Mar 11 00:59:51 casal kernel: CPU: 0
Mar 11 00:59:51 casal kernel: EIP: 0010:[ext2_file_write+585/1116]
Mar 11 00:59:51 casal kernel: EFLAGS: 00010216
Mar 11 00:59:51 casal kernel: eax: 03f17b98 ebx: 00000400 ecx: 00000100 edx: 0504c400
Mar 11 00:59:51 casal kernel: esi: 40119000 edi: 0504c400 ebp: 00000400 esp: 05703c04
Mar 11 00:59:51 casal kernel: ds: 0018 es: 0018 fs: 002b gs: 002b ss: 0018
Mar 11 00:59:51 casal kernel: Process getinfo (pid: 32178, process nr: 68, stackpage=05703000)
Mar 11 00:59:51 casal kernel: Stack: 00007000 40116000 40116000 4373f000 00000000 00000000 001eb5f8 00003000
Mar 11 00:59:51 casal kernel: 00000000 000015f8 0057e000 00000000 03f17b98 ffffffe4 4334d000 003a20a1
Mar 11 00:59:51 casal kernel: 001f49b8 00098800 0018b409 00000000 00003218 000032e0 001e30fc 001f49ac
Mar 11 00:59:51 casal kernel: Call Trace: [dma_intr+101/156] [ide_intr+77/100] [do_fast_IRQ+42/76] [dump_write+28/44] [writenote+167/200] [dump_write+28/44] [elf_core_dump+2488/2640]
Mar 11 00:59:51 casal kernel: [do_no_page+259/808] [do_no_page+391/808] [do_page_fault+0/736] [do_signal+495/632] [signal_return+18/56]
Mar 11 00:59:51 casal kernel: Code: 64 f3 a5 83 e3 03 89 d9 64 f3 a4 55 8b 54 24 34 8b 52 24 03
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213bf98, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b3d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213bad8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b098, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b2d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213bdd8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b598, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213bd98, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b4d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b0d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213bc58, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: kfree of non-kmalloced memory: 0213b5d8, next= 05fb1000, order=1
Mar 11 00:59:51 casal kernel: Inode i_mmap ring corrupted
Mar 11 00:59:57 casal kernel: Inode i_mmap ring corrupted
Mar 11 01:02:10 casal kernel: Inode i_mmap ring corrupted
Mar 11 01:03:18 casal last message repeated 2 times
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