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List:       linux-kernel
Subject:    [aa126@fan.nb.ca: Re: Oops in 2.0.24, unknown cause]
From:       an602 () cleveland ! Freenet ! Edu (James M !  Bernatowicz)
Date:       1996-12-31 20:40:15
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Err... this msg appears to have been misdirected to one of my E-mail boxes:

jbernat@phish.nether.net 
jbernat@intranet.org
jbernat@umcc.umich.edu
an602@cleveland.frenet.edu
or au493@detroit.freenet.org

and then subsequently forwarded to my an602 box.  Just FYI guys...

jbernat
    ================= Begin forwarded message =================

    From: aa126@fan.nb.ca (William Burrow)
    To: jared@wolverine.hq.cic.net (Jared Mauch)
    Cc: linux-kernel@vger.rutgers.edu
    Subject: Re: Oops in 2.0.24, unknown cause
    Date: Tue, 31 Dec

    
    On Tue, 24 Dec 1996, Jared Mauch wrote:
    
    > 
    > Please run this through ksymoops so that we can get a stack trace and
    > determine what caused this problem.
    
    As I have already stated, the symbol table for this kernel is gone.  I 
    cannot accurately recall the config elements to make this kernel again, 
    as it was a hybrid kernel for two differently configed machines.  I will 
    provide the disassembly of the code segment given below.  Unfortunately, 
    scanning the kernel image for specific patterns in the sequence with bpe 
    turned up nothing.  However, it seems bpe has some bugs also, so I cannot 
    rely on this.  Here is the disassembly:
    
    0x8049449 <str1>:       movl   (%edx),%eax
    0x804944b <str1+2>:     cmpl   $0x1,%eax
    0x804944e <str1+5>:     jne    0x80494ae <__DTOR_END__+54>
    0x8049450 <str1+7>:     pushf
    0x8049451 <str1+8>:     popl   %esi
    0x8049452 <str1+9>:     cli
    0x8049453 <str1+10>:    movl   $0x0,(%edx)
    0x8049459 <str1+16>:    cmpl   $0x0,0x4c(%edx)
    
    Kernel 2.0.23.  It would seem to me to be difficult to replicate the 
    problem, so this may be the only occurrence of this Oops to appear.
    
    
    > William Burrow graced my mailbox with this long sought knowledge:
    > > 
    > > Well, this morning I found the VC running a shell slowly typing out ``x''
    > > over the screen.  I hit ctrl-C to see what would happen, and got a general
    > > protection fault.  Pressing keys in that VC gives a wait_queue bad error. 
    > > I don't believe that the symbol table exists for that kernel anymore, as
    > > Linux generally does not Oops on me.  The machine is otherwise up and 
    > > semi-functional (it was semi-functional before the Oops).  The details 
    > > follow, if anyone is deeply interested: 
    > > 
    > > 0000
    > > CPU:    0
    > > EIP:    0010:[<001105a1>]
    > > EFLAGS: 00010286
    > > eax: 0020b4e8   ebx: c3007006   ecx: 0020b4e8   edx: f4000000
    > > esi: bffff4e8   edi: 0020b4e4   ebp: 00013f28   esp: 00013f1c
    > > ds: 0018   es: 0018   fs: 002b   gs: 002b   ss: 0018
    > > Process bash (pid: 5660, process nr: 5, stackpage=00013000)
    > > Stack: 00000001 bffff4e8 00000000 00ca0000 0018a76f 0020b4e8 00186ea3 00ca0000
    > >        00ca0000 00d03780 00ca6000 00000001 00ca092c 00183971 00000000 00000000
    > >        00000000 00000001 bffff4e8 00c62018 00ca0930 00183875 00ca0000 00d03780
    > > Call Trace: [<0018a76f>] [<00186ea3>] [<00183971>] [<00183875>] 
    > > [<00121096>] [<0010a772>]
    > > Code: 8b 02 83 f8 01 75 5e 9c 5e fa c7 02 00 00 00 00 83 7a 4c 00
    > > wait_queue is bad (eip = 001864c3)
    > >         q = 00ca0934
    > >        *q = 00013f68
    > > 
    > > 
    > > --
    > > William Burrow  --  Fredericton Area Network, New Brunswick, Canada
    > > Copyright 1996 William Burrow  
    > > Canada's federal regulator says it may regulate content on the Internet to
    > > provide for more Canadian content.   (Ottawa Citizen 15 Nov 96 D15)
    > > 
    > > 
    > 
    > 
    
    --
    William Burrow  --  Fredericton Area Network, New Brunswick, Canada
    Copyright 1996 William Burrow  
    Canada's federal regulator says it may regulate content on the Internet to
    provide for more Canadian content.   (Ottawa Citizen 15 Nov 96 D15)
    
    
    
    

--
Jim Bernatowicz  an602@cleveland.freenet.edu  jbernat@intranet.org  KB8WYX

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