Messages in this thread | | | From | "Chen, Kenneth W" <> | Subject | RE: [PATCH] 4/4 block: explicit plugging | Date | Wed, 3 Jan 2007 14:34:38 -0800 |
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Jens Axboe wrote on Wednesday, January 03, 2007 2:30 PM > > We are having some trouble with the patch set that some of our fiber channel > > host controller doesn't initialize properly anymore and thus lost whole > > bunch of disks (somewhere around 200 disks out of 900) at boot time. > > Presumably FC loop initialization command are done through block layer etc. > > I haven't looked into the problem closely. > > > > Jens, I assume the spin lock bug in __blk_run_queue is fixed in this patch > > set? > > It is. Are you still seeing problems after the initial mail exchange we > had prior to christmas,
Yes. Not the same kernel panic, but a problem with FC loop reset itself.
> or are you referencing that initial problem?
No. we got passed that point thanks for the bug fix patch you give me prior to Christmas. That fixed a kernel panic on boot up.
> It's not likely to be a block layer issue, more likely the SCSI <-> > block interactions. If you mail me a new dmesg (if your problem is with > the __blk_run_queue() fixups), I can take a look. Otherwise please do > test with the __blk_run_queue() fixup, just use the current patchset.
I will just retake the tip of your plug tree and retest. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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