Messages in this thread | | | Date | Thu, 4 Jan 2007 01:01:46 +0000 | From | "Andrew Lyon" <> | Subject | Re: ata1: spurious interrupt (irq_stat 0x8 active_tag -84148995 sactive 0x0) r0xj0 |
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On 1/3/07, bbee <bumble.bee@xs4all.nl> wrote: > On Wed, 3 Jan 2007, Tejun Heo wrote: > > bbee wrote: > >>> Yeap, I have major issues with SDB FISes which contains spurious > >>> completions but most other spurious interrupts shouldn't be dangerous > >>> and I haven't seen spurious completions for quite some time, so I was > >>> thinking either removing the message or printing it only on SDB FIS > >>> containing spurious completions. > >>> > >>> But, Andrew Lyon *is* reporting spurious completions. Now I just wanna > >>> update those printks such that more info is reported only on spurious > >>> SDB FISes. > >> > >> That would certainly help verify that I'm having the exact same problem, > >> since Andrew didn't say anything about his drive going offline. > > > > Okay. > > Sorry, I thought you meant you would need to update it *further*. I applied > the patch you gave to Andrew with this result so far: > > $ dmesg | grep -A1 "spurious interrupt" > ata1: spurious interrupt (irq_stat 0x8 active_tag 0xfafbfcfd sactive 0x0) > ata1: issue=0x0 SAct=0x0 SDB_FIS=004040a1:00000008 > -- > ata1: spurious interrupt (irq_stat 0x8 active_tag 0xfafbfcfd sactive 0x0) > ata1: issue=0x0 SAct=0x0 SDB_FIS=004040a1:00000001 > > No luck yet triggering the exception. > > On Wed, 3 Jan 2007, Andrew Lyon wrote: > > Alan said he was going to add the drive to a blacklist he was > > maintaining for NCQ, perhaps that has been done in kernel 2.6.19, I > > dont know as I am still running 2.6.18. > > > > Perhaps the WD Raptor drive that I have does have lousy NCQ and that > > explains both the poor performance and the spurious interrupts. > > Blacklisting NCQ on the drive(s) for all controllers might be ill advised, > since it could be a JMicron-specific issue (or ahci-specific, since the > person in the thread I referenced had a different ahci controller..). > Either that, or both our drive models have "lousy NCQ".. > > > Thanks, > > bbee >
Is there anything more I can do to assist? I plan to upgrade to 2.6.19/latest at the weekend, let me know if there is anything more i can do.
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