linux-kernel - Re: 2.6.{30,31} x86_64 ahci problem

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Date:	Fri, 09 Oct 2009 23:30:25 +0200
From:	Alexander Huemer <alexander.huemer@....ac.at>
To:	Frans Pop <elendil@...net.nl>
CC:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org,
	Tejun Heo <tj@...nel.org>, stable@...nel.org
Subject: Re: 2.6.{30,31} x86_64 ahci problem - irq 23: nobody cared

Alexander Huemer wrote:
> Frans Pop wrote:
>> On Friday 25 September 2009, Alexander Huemer wrote:
>>>> So with the revert already in mainline for .32, the only thing left is
>>>> for that to get included in stable updates for .30 and .31.
>>> please see the last comment in [1].
>>> can i do anything else to help ?
>>> [1] http://bugzilla.kernel.org/show_bug.cgi?id=14124
>> Yes, adding that comment was excellent. I also added the relevant people
>> in the CC of my previous mail, so it should get taken care of now. Unless 
>> they have additional questions no further action from you should be 
>> needed.
> it seems like the problem is _not_ solved.
> i just booted with 2.6.31.3.
> 2.6.31-gentoo-r2 is vanilla-2.6.31-r2 with a few unrelated patches.
> did the usual verification (compilation of gcc-4.3.4),
> and got this again:
>
>     [ 1018.059729] irq 23: nobody cared (try booting with the "irqpoll"
>     option)
>     [ 1018.059734] Pid: 8656, comm: sh Tainted: G        W
>     2.6.31-gentoo-r2-blackbit #1
>     [ 1018.059736] Call Trace:
>     [ 1018.059738]  <IRQ>  [<ffffffff81066ecf>] ? __report_bad_irq+0x30/0x7d
>     [ 1018.059748]  [<ffffffff81067023>] ? note_interrupt+0x107/0x170
>     [ 1018.059751]  [<ffffffff81067610>] ? handle_fasteoi_irq+0x8a/0xaa
>     [ 1018.059755]  [<ffffffff8100d1cf>] ? handle_irq+0x17/0x1d
>     [ 1018.059757]  [<ffffffff8100c84b>] ? do_IRQ+0x54/0xb2
>     [ 1018.059761]  [<ffffffff8100b6d3>] ? ret_from_intr+0x0/0xa
>     [ 1018.059762]  <EOI>  [<ffffffff815c7d2c>] ? do_page_fault+0xed/0x2ef
>     [ 1018.059769]  [<ffffffff815c7f12>] ? do_page_fault+0x2d3/0x2ef
>     [ 1018.059773]  [<ffffffff812dd5ed>] ? __put_user_4+0x1d/0x30
>     [ 1018.059776]  [<ffffffff815c5fdf>] ? page_fault+0x1f/0x30
>     [ 1018.059777] handlers:
>     [ 1018.059778] [<ffffffff813d2d8c>] (ahci_interrupt+0x0/0x426)
>     [ 1018.059783] Disabling IRQ #23
>
> so in my opinion reverting commit [1] with commit [2] missed the point.
> please comment.
>
> -alex
>
> [1] a5bfc4714b3f01365aef89a92673f2ceb1ccf246
> [2] 31b239ad1ba7225435e13f5afc47e48eb674c0cc
>
i hope i do not annoy anybody by posting again, but i am afraid my last
message was not noticed by anybody.
is there something i don't know but should ? as it seems the problem is
still existing.
i would be happy do test whatever is needed to trace the problem.

please respond.
regards
-alex
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