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Date: Tue, 3 Jun 2008 04:19:14 -0700
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Jonathan Goldick" <jonathan.goldick@onstor.com>
Subject: Re: Linux kernel oops
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Make sure you're using a fully up-to-date txrx image.  The next step
would be to see if the code in question is actually going into the
routine and not being optimized away somehow.  It shouldn't since it
uses volatile type, but there's that word 'should.'


On Tue, 3 Jun 2008 01:04:55 -0700 "Jonathan Goldick"
<jonathan.goldick@onstor.com> wrote:

> Oops[#1]:
> CPU 0 Unable to handle kernel paging request at virtual address
> 0000000000000120, epc == ffffffff82006a88, ra == ffffffff82006a90
> Oops[#2]:
> Cpu 0
> $ 0   : 0000000000000000 0000000030001fe0 000000000000000d
> 0000000000000001
> $ 4   : ffffffff8226daf8 0000000000000000 ffffffffffffffff
> 000000000000675d
> $ 8   : ffffffff822b0000 ffffffff822b2890 ffffffffffff675d
> ffffffff82300000
> $12   : ffffffff82310000 ffffffff82300000 fffffffffffffffd
> ffffffff8223b508
> $16   : 0000000000000000 0000000000000000 0000000000000000
> ffffffff82270000
> $20   : ffffffff82321728 900000f81a7084a0 0000000000000500
> a80000008eca88e0
> $24   : 0000000000000000 0000000000000020
> 
> $28   : a80000008d044000 a80000008d0479d0 0000000000000000
> ffffffff82006a90
> Hi    : 0000000000000000
> Lo    : 0000000000000000
> epc   : ffffffff82006a88 show_regs+0x38/0x470     Not tainted
> ra    : ffffffff82006a90 show_regs+0x40/0x470
> Status: 30001fe2    KX SX UX KERNEL EXL 
> Cause : 80809008
> BadVA : 000000000000120
> PrId  : 00040103
> Modules linked in: autofs4
> Pr<2>SiByte Watchdog in danger of initiating system reset in 8.1
> seconds 
> 
> 
> PowerOn Self Test........OK
> 
> 
> This is running sub24-DEV opt
> 
> Perhaps this doesn't have the kernel changes you gave me some weeks
> back?  I haven't had any kernel crashes between when I put your test
> version on and until I did the upgrade to sub24.
