Date:	Mon, 28 Jan 2008 10:31:48 -0500
From:	Ayaz Abdulla <aabdulla@...dia.com>
To:	Jeff Garzik <jeff@...zik.org>
CC:	Andrew Brooks <arb@....dundee.ac.uk>, netdev@...r.kernel.org
Subject: Re: forcedeth oops



Jeff Garzik wrote:
> Andrew Brooks wrote:
>  > Hello
>  >
>  > I'm getting an oops in forcedeth whenever I shutdown, details below.
>  >
>  > I've tried kernel 2.6.16.59 and the latest forcedeth.c from nvidia.com
>  > which is package-1.23 version-0.62 date-2007/04/27.
>  >
>  > How can I download the latest forcedeth.c (including 2008-01-13 
> patches) ?
>  > It's not in the latest snapshot linux-2.6.24-rc8.
>  >
>  > Also, why is the version on nvidia.com not just older than the one in
>  > the kernel, but it appears to have forked back in May 2006.  Has there
>  > been independent development on each version?  They should be the same!
> 
> We don't run nvidia.com here :)
> 
> 
>  > Here's the diff:
>  > <  *    0.56: 22 Mar 2006: Additional ethtool and moduleparam support.
>  > <  *    0.57: 14 May 2006: Moved mac address writes to nv_probe and 
> nv_remove.
>  > <  *    0.58: 20 May 2006: Optimized rx and tx data paths.
>  > <  *    0.59: 31 May 2006: Added support for sideband management unit.
>  > <  *    0.60: 31 May 2006: Added support for recoverable error.
>  > <  *    0.61: 18 Jul 2006: Added support for suspend/resume.
>  > <  *    0.62: 16 Jan 2007: Fixed statistics, mgmt communication, and 
> low phy speed on S5.
>  > ---
>  >>  *    0.56: 22 Mar 2006: Additional ethtool config and moduleparam 
> support.
>  >>  *    0.57: 14 May 2006: Mac address set in probe/remove and order 
> corrections.
>  >>  *    0.58: 30 Oct 2006: Added support for sideband management unit.
>  >>  *    0.59: 30 Oct 2006: Added support for recoverable error.
>  >>  *    0.60: 20 Jan 2007: Code optimizations for rings, rx & tx data 
> paths, and stats.
>  >
>  >
>  > Here's the details of the oops:
>  > md: md0 switched to read-only mode.
>  > Unable to handle kernel NULL pointer dereference at virtual address 
> 00000000
>  > printing eip:
>  > f8ccdd55
>  > *pde = 36c6a001
>  > Oops: 0000 [#1]
>  > SMP
>  > Modules linked in: nvidia ... forcedeth ... sata_nv
>  > CPU: 1
>  > EIP:
>  > EFLAGS: 00010286 (2.6.16.59 #1)
>  > EIP is at nv_suspend+0x85/0x350 [forcedeth]
>  > eax:
>  > esi:
>  > ds:
>  > Process reboot
>  > Stack:
>  > Call Trace:
>  > show_stack_log
>  > show_registers
>  > die
>  > do_page_fault
>  > error_code
>  > nv_reboot_handler
>  > notifier_call_chain
>  > kernel_restart_prepare
>  > kernel_restart
>  > sys_reboot
>  > sysenter_past_esp
>  > Code: 8b 8c 3a 98 01 00 00 01 c8 8b ...
>  > INIT: no more processes left in this runlevel
> 
> Please reproduce this problem on a modern kernel (2.6.24-rc) without any
> closed source modules or drivers loaded.  Thanks.

Andrew,

The driver from the nvidia.com site was forked because we needed to 
create a backport driver package for older kernels. At some point, we 
need to converge the two branches again.

Let us know if you still have an issue with the latest kernel as Jeff 
mentioned.

Regards,
Ayaz


> 
>         Jeff
> 
> 
> 
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