On Fri, Jul 27, 2012 at 6:14 PM, Stirling Westrup <swestrup@xxxxxxxxx> wrote: > On Fri, Jul 27, 2012 at 1:24 PM, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote: >> On 7/27/2012 11:40 AM, Stirling Westrup wrote: >> >>> I recently purchased a large system for use as a backup server for a >>> pair of small businesses. It contains a boot drive plus 10 more >>> storage drives. Despite having three onboard SATA controllers, the >>> motherboard didn't have enough SATA connectors for all the drives, so >>> I installed a pair of identical SiI3114 raid cards to handle the extra >>> connections. It has a Sandy Bridge chipset, so I installed a 3.2 >>> kernel. >>> >>> # uname -a >>> Linux ttt 3.2.0-0.bpo.2-amd64 #1 SMP Fri Jun 29 20:42:29 UTC 2012 >>> x86_64 GNU/Linux >> ... >>> Okay, enough background. Here's the issue: I had no trouble building >>> and sync'ing the first array, but when I try to sync the second array, >>> I always get the following dmesg an hour or so into the process: >>> >>> irq 19: nobody cared (try booting with the "irqpoll" option) >>> [ 346.120572] Pid: 1100, comm: md1_resync Not tainted >> 3.2.0-0.bpo.2-amd64 #1 >>> [ 346.120573] Call Trace: >>> ... >>> [ 346.120697] handlers: >>> [ 346.120699] [<ffffffffa00479e0>] ahci_interrupt >>> [ 346.120702] [<ffffffffa02f17ec>] sil_interrupt >>> [ 346.120703] Disabling IRQ #19 >>> [ 346.122145] sched: RT throttling activated >> ... >>> From this point onward syncing drops to a tiny fraction of its >>> previous speed. I've tried booting with 'irqpoll' as the error message >>> suggests, but it has had no effect. I'm really not sure if there is a >>> conflict between my two SiI3114's or between the SiI's and the Marvell >>> controller (although I've never had an issue with Marvell in the >>> past), nor how to go about diagnosing or fixing this. I'll include a >>> full dmesg dump below, as well as my currently loaded modules. If >>> anyone wants any further info, just ask. >> >> Have you tried irqbalance to spread the interrupts across cores/cache >> domains? https://irqbalance.org/documentation.html >> > > Thanks for the tip! I installed irqbalance and rebooted the system, > and everything has been running smoothly for the last two hours. I'll > let everyone know tomorrow if it actually finished the full 20-hour > resync without incidence. > > > -- > Stirling Westrup > Programmer, Entrepreneur. > https://www.linkedin.com/e/fpf/77228 > http://www.linkedin.com/in/swestrup > http://technaut.livejournal.com > http://sourceforge.net/users/stirlingwestrup Alas, all it did was delay the IRQ error by a few hours. Does anyone else have any ideas about how I could tackle this? -- Stirling Westrup Programmer, Entrepreneur. https://www.linkedin.com/e/fpf/77228 http://www.linkedin.com/in/swestrup http://technaut.livejournal.com http://sourceforge.net/users/stirlingwestrup -- 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
