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Message-ID: <1342100889.7707.21.camel@marge.simpson.net> Date: Thu, 12 Jul 2012 15:48:09 +0200 From: Mike Galbraith <efault@....de> To: Thomas Gleixner <tglx@...utronix.de> Cc: "linux-rt-users@...r.kernel.org" <linux-rt-users@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, linux-fsdevel <linux-fsdevel@...r.kernel.org>, Steven Rostedt <rostedt@...dmis.org>, Peter Zijlstra <peterz@...radead.org> Subject: Re: 3.4.4-rt13: btrfs + xfstests 006 = BOOM.. and a bonus rt_mutex deadlock report for absolutely free! On Thu, 2012-07-12 at 15:43 +0200, Thomas Gleixner wrote: > On Thu, 12 Jul 2012, Mike Galbraith wrote: > > On Thu, 2012-07-12 at 15:31 +0200, Thomas Gleixner wrote: > > > A quick check for memcpy finds that __btrfs_close_devices() does a > > > memcpy of btrfs_device structs w/o initializing the lock in the new > > > copy, but I have no idea whether that's the place we are looking for. > > > > > > Cool, you found one, thanks! I'm setting boobytraps. > > > > Um, correction, box says I'm setting _buggy_ boobytraps :) > > > > Tomorrow-man will test this and frob traps anew. > > What kind of test setup do you have? i.e. raid, single disk ... Yeah, megaraid sas.. x3550 M3. -Mike -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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