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Date: Tue, 10 Dec 2002 19:29:28 -0500 (EST)
From: jwantz@hpcc.noaa.gov
To: speakup@braille.uwo.ca
Subject: Kernel bug--machine lockup
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Hi,
I came home this afternoon and experienced something that I have never 
seen with linux.  My computer was completely dead, no speech and 
nonresponsive keys.  I thought it was WINDBLOWS!

Here is the pertinent information I obtained when I looked at 
/var/log/messages:
Dec 10 16:27:00 pcp218693pcs kernel: ------------[ cut here ]------------
Dec 10 16:27:00 pcp218693pcs kernel: kernel BUG at page_alloc.c:133!
Dec 10 16:27:00 pcp218693pcs kernel: invalid operand: 0000
Dec 10 16:27:00 pcp218693pcs kernel: nls_iso8859-1 sr_mod snd-pcm-oss snd-mixer-oss snd-emu10k1-synth snd-emux-synt
Dec 10 16:27:00 pcp218693pcs kernel: CPU:    0
Dec 10 16:27:00 pcp218693pcs kernel: EIP:    0010:[<c0136b4c>]    Not tainted
Dec 10 16:27:00 pcp218693pcs kernel: EFLAGS: 00010206
Dec 10 16:27:00 pcp218693pcs kernel: 
Dec 10 16:27:00 pcp218693pcs kernel: EIP is at __free_pages_ok [kernel] 0x5c (2.4.18-14)
Dec 10 16:27:00 pcp218693pcs kernel: eax: 00017818   ebx: c1524570   ecx: c1000030   edx: 00000000
Dec 10 16:27:00 pcp218693pcs kernel: esi: 00000000   edi: 00000000   ebp: 17818067   esp: c56e7de8
Dec 10 16:27:00 pcp218693pcs kernel: ds: 0018   es: 0018   ss: 0018
Dec 10 16:27:00 pcp218693pcs kernel: Process sendmail (pid: 31337, stackpage=c56e7000)
Dec 10 16:27:00 pcp218693pcs kernel: Stack: c02ff4c0 00000002 00000246 00001000 c02ff4c0 00000000 c02ff4c0 c013c580 
Dec 10 16:27:00 pcp218693pcs kernel:        d5bfd4b8 00000000 d594c9b4 0000b000 0000c000 17818067 c012bbe0 c1524570 
Dec 10 16:27:00 pcp218693pcs kernel:        00000001 c24ed55c c24ede40 0000000c 40400000 cfc81404 4026e000 00000000 
Dec 10 16:27:00 pcp218693pcs kernel: Call Trace: [<c013c580>] page_remove_rmap [kernel] 0x80 (0xc56e7e04))
Dec 10 16:27:00 pcp218693pcs kernel: [<c012bbe0>] zap_pte_range [kernel] 0xf0 (0xc56e7e20))
Dec 10 16:27:00 pcp218693pcs kernel: [<c012a1bb>] do_zap_page_range [kernel] 0x8b (0xc56e7e48))
Do you think this is worth passing on to the kernel development team?  I 
am running Redhat 8.0 kernel 2.4.18-14.

     Jim Wantz WB0TFK