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Date: Tue, 27 Nov 2007 12:03:24 -0800
From: Andrew Sharp <andy.sharp@onstor.com>
To: "Larry Scheer" <larry.scheer@onstor.com>
Cc: "Tim Gardner" <tim.gardner@onstor.com>, Rendell Fong
 <rendell.fong@onstor.com>, Maxim Kozlovsky <maxim.kozlovsky@onstor.com>
Subject: Re: system reboot from the nfxsh Oopses the Kernel
Message-ID: <20071127120324.066f1340@ripper.onstor.net>
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Larry, any time you see write_mipsphys or read_mipsphys in the stack
trace, just go ahead and notify max and rendell.  This is a problem in
chassisd or something that opens and uses mipsphys device.

On Tue, 27 Nov 2007 11:45:51 -0800 "Larry Scheer"
<larry.scheer@onstor.com> wrote:

> Andy,
>     Would you like me to file a defect?
> This happens whenever I do a system reboot from the nfxsh:
> 
> eng216:~# CPU 0 Unable to handle kernel paging request at virtual
> address 500000f0, epc == 83126d30, ra == 83126d20
> Oops[#1]:
> Cpu 0
> $ 0   : 00000000 7f89c900 500000f0 00000001
> $ 4   : 8c0e3ec0 7f89c900 00000000 b00000f0
> $ 8   : 00000001 8c0e3ec0 00000000 00000000
> $12   : 8df1c800 00000004 8c0e3f40 00404ba8
> $16   : 8df1c800 00000004 7f89c8fc 8c0e3f40
> $20   : 00000004 004016b0 2ac87ee0 00538b48
> $24   : 00000000 2adad84c                  
> $28   : 8c0e2000 8c0e3eb8 7f89c870 83126d20
> Hi    : 000000f9
> Lo    : 0003a515
> epc   : 83126d30 write_mipsphys+0x70/0x138     Not tainted
> ra    : 83126d20 write_mipsphys+0x60/0x138
> Status: b000ef03    KERNEL EXL IE 
> Cause : 0080000c
> BadVA : 500000f0
> PrId  : 00003440
> Modules linked in: autofs4 softdog
> Process chassis (pid: 2102, threadinfo=8c0e2000, task=8cef6000)
> Stack : 00000001 00000001 8d10d248 83783000 830731d0 830731a8 83070584
> 00000000
>         00000020 8df1c800 83783000 00000006 8df1c800 ffffffe3 00000004
> 7f89c8fc
>         83073afc 83070ae4 830606c8 00100873 00000000 2aafef10 00000000
> 00406f44
>         00000006 7f89c8fc b00000f0 00000000 8300a5e0 8300a5e0 2ac87ee0
> 7f92e1fc
>         004d5d90 0000002f b00000f0 00000000 00000000 b000ef00 00001069
> 00000000
>         ...
> Call Trace:
> [<83126d30>] write_mipsphys+0x70/0x138
> [<830731d0>] vfs_write+0xc0/0x160
> [<83073afc>] sys_pwrite64+0x94/0xac
> [<8300a5e0>] stack_done+0x20/0x3c
> 
> 
> Code: 8fa30004  3c02a000  00e21021 <ac430000> 8dc60000  00002821
> 8dc70004  01a04821  00cd1021 
> 
> Broadcast message from root@eng216 (pts/0) (Tue Nov 27 11:42:30 2007):
> 
> The system is going down for reboot NOW!
