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SubjectRe: 2.6.{30,31} x86_64 ahci problem - irq 23: nobody cared
Alexander Huemer wrote:
> the problem appears under heavy system load and slows down the system to
> unusable speed.
> kernels before .30 were not affected.
> irqpoll does not change behavior.
>
> error message from .31:
>
> [157152.418524] irq 23: nobody cared (try booting with the "irqpoll"
> option)
> [157152.418530] Pid: 1359, comm: cc1plus Tainted: G W

Right here is the problem -> ^^^^^^^^

Haven't you read all the threads about the evil of C++. This is just
one more example of the why we shouldn't be using it. :-)

David Daney

> 2.6.31-gentoo-blackbit #2
> [157152.418532] Call Trace:
> [157152.418534] <IRQ> [<ffffffff81066e3f>] ?
> __report_bad_irq+0x30/0x7d
> [157152.418544] [<ffffffff81066f93>] ? note_interrupt+0x107/0x170
> [157152.418547] [<ffffffff81067580>] ? handle_fasteoi_irq+0x8a/0xaa
> [157152.418551] [<ffffffff8100d1cf>] ? handle_irq+0x17/0x1d
> [157152.418554] [<ffffffff8100c84b>] ? do_IRQ+0x54/0xb2
> [157152.418558] [<ffffffff8100b6d3>] ? ret_from_intr+0x0/0xa
> [157152.418559] <EOI>
> [157152.418560] handlers:
> [157152.418562] [<ffffffff813d2a6f>] (ahci_interrupt+0x0/0x426)
> [157152.418566] Disabling IRQ #23
>
>
> bios of the machine is up to date,
> i tried all related bios settings, no change.
>
> kernel config for .31 http://xx.vu/~ahuemer/config_ahuemer_20090923.gz
> lspci -vxxx http://xx.vu/~ahuemer/lspci_ahuemer_20090923
> lsusb -v http://xx.vu/~ahuemer/lsusb_ahuemer_20090923
> /proc/interrupts
> http://xx.vu/~ahuemer/proc_interrupts_ahuemer_20090923
> thread in gentoo forums
> http://forums.gentoo.org/viewtopic-t-780725-start-0.html
>
> please tell me what additional info is needed.
> please CC me on replies, i am not subscribed.
>
> -alex
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