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    SubjectRe: PROBLEM: 2.2.13 sporadic crashes
    On Thu, 11 Nov 1999, Guy McArthur wrote:

    > My PII / RH5.2 / kernel 2.2.13 box is experiencing sporadic crashes of an
    > unknown origin.
    >
    > Average system uptime is about a day, they seem to occur about the time of
    > the heaviest load (the system is heavily used for apache 1.3.6 + mod_php3
    > and apache 1.3.9 +The Gimp+Perl). The kernel is a custom compile for SCSI
    > support and IP Aliasing. I've followed RedHat's guide for package
    > upgrading a 5.2 system to support the 2.2 kernel series, and all RH
    > updates have been applied.
    >
    > Here is the syslog output of the latest
    > series: [question: what text from this output do I pass to ksymoops?]
    >
    > Nov 11 16:32:56 cnc kernel: Unable to handle kernel paging request at virtual address f2e04ff0
    > Nov 11 16:32:56 cnc kernel: current->tss.cr3 = 07526000, %cr3 = 07526000
    > Nov 11 16:32:56 cnc kernel: *pde = 00000000
    > Nov 11 16:32:56 cnc kernel: Oops: 0002
    > Nov 11 16:32:56 cnc kernel: CPU: 0
    > Nov 11 16:32:56 cnc kernel: EIP: 0010:[kmem_cache_free+197/368]
    > Nov 11 16:32:56 cnc kernel: EFLAGS: 00010046
    > Nov 11 16:32:56 cnc kernel: eax: f2e04fe0 ebx: c7fef680 ecx: c5da1fc0 edx: f2e04fe0
    > Nov 11 16:32:56 cnc kernel: esi: c6991fc0 edi: 00000286 ebp: 0000003e esp: c7525c88
    > Nov 11 16:32:56 cnc kernel: ds: 0018 es: 0018 ss: 0018
    > Nov 11 16:32:56 cnc kernel: Process mingetty (pid: 19322, process nr: 20, stackpage=c7525000)
    > Nov 11 16:32:56 cnc kernel: Stack: c08e0500 00001000 c01239b7 c5da1cfc c1150900 c011a0f1 c7fef680 c5da1cc0
    > Nov 11 16:32:56 cnc kernel: c7523800 c7524000 c7525e68 c7524000 c5da1140 c012840e c08e0500 c7523800
    > Nov 11 16:32:56 cnc kernel: c7525db4 c7525e68 c7524000 00000000 c0128535 c6dc50c0 c7525db4 c7525e68
    > Nov 11 16:32:56 cnc kernel: Call Trace: [fput+23/72] [exit_mmap+205/268] [exec_mmap+58/264] [flush_old_exec+89/476] [load_elf_binary+1333/2908] [update_atime+93/100] [do_generic_file_read+1502/1516]
    > Nov 11 16:32:56 cnc kernel: [search_binary_handler+59/288] [do_execve+391/492] [do_execve+425/492] [sys_execve+47/92] [system_call+52/56]
    > Nov 11 16:32:56 cnc kernel: Code: 89 48 10 89 0b eb 9a 57 9d 53 56 68 4c c6 1d c0 e8 e2 fd ff
    > Nov 11 16:32:56 cnc kernel: exit_mmap: map count is 7
    > Nov 11 16:34:06 cnc kernel: Unable to handle kernel paging request at virtual address 1bc38144
    > Nov 11 16:34:06 cnc kernel: current->tss.cr3 = 074a7000, %cr3 = 074a7000
    > Nov 11 16:34:06 cnc kernel: *pde = 00000000
    > Nov 11 16:34:06 cnc kernel: Oops: 0002
    > Nov 11 16:34:06 cnc kernel: CPU: 0
    > Nov 11 16:34:06 cnc kernel: EIP: 0010:[setup_arg_pages+96/268]
    > Nov 11 16:34:06 cnc kernel: EFLAGS: 00010286
    > Nov 11 16:34:06 cnc kernel: eax: c7fa38e0 ebx: c74a8000 ecx: c72c389c edx: 8e2c389c
    > Nov 11 16:34:06 cnc kernel: esi: 1bc38144 edi: bffe0000 ebp: c74a9e68 esp: c74a9cdc
    > Nov 11 16:34:06 cnc kernel: ds: 0018 es: 0018 ss: 0018
    > Nov 11 16:34:06 cnc kernel: Process login (pid: 340, process nr: 22, stackpage=c74a9000)
    > Nov 11 16:34:06 cnc kernel: Stack: 0001ff34 00000000 bfffff34 c0130bda 0001ff34 c74a9e68 c020758c fffffff8
    > Nov 11 16:34:06 cnc kernel: c74a8000 c74a9e68 c74a9dc4 c38ac770 c035d700 c012f785 0001ff34 c011b006
    > Nov 11 16:34:06 cnc kernel: c7fd9760 c2c62380 c2c62380 c2c62380 c74a9dc4 00000080 c76c4d7c 08049890
    > Nov 11 16:34:06 cnc kernel: Call Trace: [load_elf_binary+1486/2908] [update_atime+93/100] [do_generic_file_read+1502/1516] [search_binary_handler+59/288] [do_execve+391/492] [do_execve+425/492] [sys_execve+47/92]
    > Nov 11 16:34:06 cnc kernel: [system_call+52/56]
    > Nov 11 16:34:06 cnc kernel: Code: 89 06 8b 4c 24 10 81 e1 00 f0 ff ff 89 4e 04 c7 46 08 00 00

    I had a similar one the other day with 2.2.13 on my 486:

    Nov 10 03:06:28 jim kernel: Unable to handle kernel paging request at
    virtual ad
    dress 245c8b53
    Nov 10 03:06:28 jim kernel: current->tss.cr3 = 00f57000, %cr3 = 00f57000
    Nov 10 03:06:28 jim kernel: *pde = 00000000
    Nov 10 03:06:28 jim kernel: Oops: 0000
    Nov 10 03:06:28 jim kernel: CPU: 0
    Nov 10 03:06:28 jim kernel: EIP: 0010:[find_buffer+38/80]
    Nov 10 03:06:28 jim kernel: EFLAGS: 00010206
    Nov 10 03:06:28 jim kernel: eax: 245c8b53 ebx: 000d6011 ecx: 00000304
    edx:
    245c8b53
    Nov 10 03:06:28 jim kernel: esi: 00000400 edi: 000d6011 ebp: 00000304
    esp:
    c0fc7e78
    Nov 10 03:06:28 jim kernel: ds: 0018 es: 0018 ss: 0018
    Nov 10 03:06:28 jim kernel: Process slocate (pid: 1060, process nr: 46,
    stackpag
    e=c0fc7000)
    Nov 10 03:06:28 jim kernel: Stack: c0124a87 00000304 000d6011 00000400
    c0124d1e
    00000304 000d6011 00000400
    Nov 10 03:06:28 jim kernel: 000d6011 00000160 c0516550 00000000
    c0454dd0
    c012506a 00000304 000d6011
    Nov 10 03:06:28 jim kernel: 00000400 c06e9d30 c013aedd 00000304
    000d6011
    00000400 c0516550 c020a210
    Nov 10 03:06:28 jim kernel: Call Trace: [get_hash_table+23/48]
    [getblk+30/336] [
    bread+26/128] [ext2_read_inode+237/992] [get_new_inode+153/288]
    [iget+92/112] [e
    xt2_lookup+84/128]
    Nov 10 03:06:28 jim kernel: [real_lookup+85/144]
    [lookup_dentry+292/496]
    [__namei+40/96] [sys_newlstat+14/96] [system_call+52/56]
    [startup_32+43/286]
    Nov 10 03:06:28 jim kernel: Code: 8b 00 39 5a 04 75 13 39 72 08 75 0e 66
    39 4a 0
    c 75 08 89 d0

    --

    Weird stuff..

    specific details of system:

    Running Redhat 6.1 - all current updates.
    Kernel 2.2.13 release.

    Specific hardware:

    FreeTech 486 F38X board with a 486 DX2-80 on board.
    DLink ISA Network card (PCT-220)
    Adaptec AVA-1515 controlling a Seagate 4767N 767meg SCSI-2 harddisk.
    Winbond VLB based EIDE controller controllinga Quantum Bigfoot CY 4.3gig
    and a Philips 40X cdrom drive.


    --
    my name : Jim AJ Woodward
    my realm : http://www.jim.southcom.com.au
    my e-mail : jim@jim.southcom.com.au


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