On Wed, 22 Nov 2006 13:58:11 +0100 "Jesper Juhl" <jesper.juhl@xxxxxxxxx> wrote: > On 22/11/06, Jesper Juhl <jesper.juhl@xxxxxxxxx> wrote: > > On 22/11/06, David Chinner <dgc@xxxxxxx> wrote: > > > On Tue, Nov 21, 2006 at 11:02:23PM +0100, Jesper Juhl wrote: > > > > On 21/11/06, David Chatterton <chatz@xxxxxxxxxxxxxxxxx> wrote: > ... > > > > >Thanks for traces, I've captured this information. > > > > > > > > > You are welcome. If you want/need more traces then I've got ~2.1G > > > > worth of traces that you can have :) > > > > > > Well, we don't need that many, but it would be nice to have a > > > set of unique traces that lead to overflows - could you process > > > them in some way just to extract just the unique XFS traces that > > > occur? > > > > > I'll try to extract a copy of each unique trace that involves xfs, > > sometime tomorrow or the day after, and then send you the result. > > > > Attached are two files. The one named stack_overflows.txt.gz contains > one instance of each unique stack overflow + trace that I've got. The > other file named kernel_BUG.txt.gz contains a few BUG() messages that > were also in the logs. > You have a kind of worst case scenario there: XFS + Block layer TCP receive/transmit VLAN It is hard to know who to blame, there is no information about stack level at each call. Since it doesn't show up for filesystems other than XFS, I would pick on that. Perhaps the following: --- 2.6.19-rc6.orig/arch/i386/Kconfig.debug 2006-11-22 11:59:32.000000000 -0800 +++ 2.6.19-rc6/arch/i386/Kconfig.debug 2006-11-22 12:00:28.000000000 -0800 @@ -58,7 +58,7 @@ config 4KSTACKS bool "Use 4Kb for kernel stacks instead of 8Kb" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && !XFS_FS help If you say Y here the kernel will use a 4Kb stacksize for the kernel stack attached to each process/thread. This facilitates - To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
