Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: 2.6.19-mm1 (md/raid1 randomly drops partitions) | Date | Tue, 12 Dec 2006 21:55:41 +0100 |
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On Tuesday, 12 December 2006 00:54, Neil Brown wrote: > On Tuesday December 12, rjw@sisk.pl wrote: > > On Monday, 11 December 2006 23:52, Neil Brown wrote: > > > On Monday December 11, rjw@sisk.pl wrote: > > > > Hi, > > > > > > > > On Monday, 11 December 2006 09:58, Andrew Morton wrote: > > > > > > > > > > Temporarily at > > > > > > > > > > http://userweb.kernel.org/~akpm/2.6.19-mm1/ > > > > > > > > > > Will appear later at > > > > > > > > > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19/2.6.19-mm1/ > > > > > > > > It caused all of the md RAID1s on my test box to drop one of their partitions, > > > > apparently at random. > > > > > > That's clever.... > > > > > > Do you have any kernel logs of this happening? My guess would be the > > > underlying device driver is returned more errors than before, but we > > > need the logs to be sure. > > > > I've only found lots of messages like this: > > > > md: super_written gets error=-5, uptodate=0 > > So when md writes to write out the superblock, to gets EIO... Odd that > you aren't getting errors for normal writes. > > What devices are the md/raid1 built on?
Sata drives, on sata_uli.
> > > > I'll try to reproduce it tomorrow and collect some more information. > > Thanks. More information is definitely better than less, so send over > anything you can find.
Okay, seems to be readily reproducible, dmesg output from the failing kernel attached.
Greetings, Rafael
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