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FromNeil Brown <>
DateThu, 4 Sep 2008 15:01:02 +1000
SubjectRe: [Bug #11441] lots of 'in_atomic():1, irqs_disabled():0' with software-raid1
On Wednesday September 3, rjw@sisk.pl wrote:
> > > Patch		: http://marc.info/?l=linux-kernel&m=121998896602338&w=4> > > > > As a matter of fact, now it's even worse.> > > > On bootup, I see> > > > md4: bitmap initalized from disk: read 10/10 pages, set 6 bits
> > created bitmap for device md4 (156 pages)> > unable to handle null pointer dereference> > write_page+0x179> > > > _spin_unlock_irqrestore> > bitmap_update_sb> > bitmap_create> > do_md_run> > [ snipped the rest ]> > > > when I boot 2.6.27-rc5 with the mentioned patch. I've written this
> > information down by hand. I don't have a dmesg, since my root filesystem
> > is on a raid1-volume, and thus I can't boot 2.6.27-rc5.
> > If you need more information, please let me know.

Yes.  As I said it was an untested patch and it did turn out to have a
problem when I finally found time to test it.
The fixed version is here:
 http://neil.brown.name/git?p=md;a=commitdiff;h=b2d2c4ceaddc3098f19637a732f74b820a81a9e7

and is with Linus now, so...
> > Can you test the current -git kernel, please?

...this is good advice.

Thanks,
NeilBrown


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