Adding linux-ide to CC. 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 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. A full dmesg (or kernel log) starting from a clean boot up to the error could be useful. If no others reply and the issue can be reproduced reliably, running a git bisect between v2.6.29 and v2.6.30 to trace the cause of the regression could be an option. Cheers, FJP -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html