Re: [uml-devel] btrfs failure and BUG_ON behaviour

2011-04-09 Thread Sergei Trofimovich
On Sat, 9 Apr 2011 23:33:14 +0200 richard -rw- weinberger wrote: > We have had some problems with the block layer in ~2.6.32 to 2.6.35. > Commit 4752690 fixed the issues. > > Can you please re-test it with 2.6.38? Same crash with 2.6.38, so it's either very sneaky btrfs bug or some discrepancy

Re: [uml-devel] btrfs failure and BUG_ON behaviour

2011-04-09 Thread richard -rw- weinberger
On Sat, Apr 9, 2011 at 4:04 PM, Sergei Trofimovich wrote: > I've decided to use UML when caught some hard to > debug OOpses on btrfs. > > The first attempt to use btrfs on UML gave me stable > UML crash. I suspect it's a UML's problem. > > So I have some questions here (I'm on x86_64, > 2.6.39-rc2

[uml-devel] btrfs failure and BUG_ON behaviour

2011-04-09 Thread Sergei Trofimovich
I've decided to use UML when caught some hard to debug OOpses on btrfs. The first attempt to use btrfs on UML gave me stable UML crash. I suspect it's a UML's problem. So I have some questions here (I'm on x86_64, 2.6.39-rc2): 1. (major one) BUG_ON trace in UML does not look as in real kernel