Re: 2.6.{30,31} x86_64 ahci problem - irq 23: nobody cared

[Alexander Huemer]

Frans Pop wrote:
> On Friday 25 September 2009, Alexander Huemer wrote:
>   
> > Alexander Huemer wrote:
> >     
> > > Frans Pop wrote:
> > >       
> > > > On Thursday 24 September 2009, Frans Pop wrote:
> > > >         
> > > > > > error message from .31:
> > > > > >  [157152.418524] irq 23: nobody cared
> > > > > >             
> > > > Looking at the changes in drivers/ata/ahci.c, it might be worth to
> > > > try if reverting the following commit fixes the issue:
> > > >
> > > > commit a5bfc4714b3f01365aef89a92673f2ceb1ccf246
> > > > Author: Tejun Heo <tj@xxxxxxxxxx>
> > > > Date:   Fri Jan 23 11:31:39 2009 +0900
> > > >
> > > >     ahci: drop intx manipulation on msi enable
> > > >         
> > > i reproduced the issue.
> > >
> > >     [ 3486.747729] Pid: 9573, comm: jc1 Tainted: G        W  2.6.31-gentoo-blackbit #2
> > >     [ 3486.747731] Call Trace:
> > >     [ 3486.747733]  <IRQ>  [<ffffffff81066e3f>] ? __report_bad_irq+0x30/0x7d
> > >     [ 3486.747743]  [<ffffffff81066f93>] ? note_interrupt+0x107/0x170
> > >     [ 3486.747746]  [<ffffffff81067580>] ? handle_fasteoi_irq+0x8a/0xaa
> > >     [ 3486.747750]  [<ffffffff8100d1cf>] ? handle_irq+0x17/0x1d
> > >     [ 3486.747752]  [<ffffffff8100c84b>] ? do_IRQ+0x54/0xb2
> > >     [ 3486.747756]  [<ffffffff8100b6d3>] ? ret_from_intr+0x0/0xa
> > >     [ 3486.747758]  <EOI>
> > >     [ 3486.747759] handlers:
> > >     [ 3486.747761] [<ffffffff813d2a6f>] (ahci_interrupt+0x0/0x426)
> > >     [ 3486.747765] Disabling IRQ #23
> > >
> > > i will report back after a compile run of gcc-4.3.4 with a kernel
> > > without the commit you suggested.
> > >       
> > 4 compilation runs of gcc-4.3.4 finished without the issue re-appearing.
> > it seems like you guessed right, Frans.
> >     
>
> Great. Glad to hear it worked out.
>
>   
> > i also found this:
> > http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commi
> > t;h=31b239ad1ba7225435e13f5afc47e48eb674c0cc i'll report on bugzilla.
> >     
>
> 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.
>
> Cheers,
> FJP
>   
please see the last comment in [1].
can i do anything else to help ?

thanks again
-alex

[1] http://bugzilla.kernel.org/show_bug.cgi?id=14124
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/