netdev - Re: Kernel 2.6.28 regression: Hang after hibernate (patch included)

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Date:	Sun, 4 Jan 2009 21:44:04 +0100
From:	"Frank Groeneveld" <frankgroeneveld@...il.com>
To:	"Francois Romieu" <romieu@...zoreil.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>, "Pavel Machek" <pavel@...e.cz>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: Kernel 2.6.28 regression: Hang after hibernate (patch included)

2009/1/4 Francois Romieu <romieu@...zoreil.com>:
> Rafael J. Wysocki <rjw@...k.pl> :
> [...]
>> Please don't top post, it makes following the discussion really difficult.
>>
>> On Friday 02 January 2009, Frank Groeneveld wrote:
>> > A kernel without SMP doesn't solve the problem. It gives the same
>> > output as before, except without the CPU notices. I also found out
>> > that a "vanilla" 2.6.27 does have the same problem. A patched 2.6.27
>> > kernel (by Gentoo Linux) doesn't have this problem. I attached that
>> > patch, so you might see what the problem is now.
>>
>> Not really, the patch (reproduced below for reference) is quite big and does
>> a couple of different things.  Also, it should be shown to the maintainer of
>> the code in question.
>
> Thanks for the Cc Rafael.
>
> The aforementioned patch matches three commits - mostly bugfixes - which
> went in between 2.6.27 and 2.6.28:
>
> commit ccdffb9a88b2907b159538d7bfd6256621db4f84
>
>    r8169: get ethtool settings through the generic mii helper
>
> commit 2857ffb7b8913ef713533ac5783abd70a20529e4
>
>    r8169: additional 8101 and 8102 support
>
> commit 523a609496dbc3897e530db2a2f27650d125ea00
>
>    r8169: fix RxMissed register access
>
> Frank, can you:
> 1. try the r8169.c file from the 2.6.28 tree with Ubuntu's kernel
> 2. grep for the XID line printed by the r8169 driver in the lernel's dmesg
>
> If 1. does not work , you can peel the onion with the patchkit available
> at http://userweb.kernel.org/~romieu/r8169/2.6.27/ : apply them in
> increasing order to your working Ubuntu driver until is stops waking
> up correctly (skip patches #0001, #0006 and #0007 as they match the
> commits above) or try a binary search.
>
> As a side note for those who remember the early 2.6.27-rc "null mac
> address with the r8169 driver", the patchkit does not include the
> patches which were included between 2.6.27 and 2.6.28 then later
> reverted.
>
> --
> Ueimor
>

Thanks for you reply. The XID in my kernel is:
eth0: RTL8168c/8111c at 0xf8836000, 00:30:1b:bd:da:08, XID 3c4000c0 IRQ 222
This is from an Ubuntu kernel, which has the driver as a module, but I
don't think that matters for this XID?
I'll try 1. tomorrow.

Regards,
Frank
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