Re: Kernel unaligned access at TPC[10101f18] btrfs_csum_final+0x38/0x60

Chris Mason
2010-02-08T21:46:19Z

On Fri, Feb 05, 2010 at 10:43:10PM -0800, David Miller wrote:
> From: Christian Kujau <lists@nerdbynature.de>
> Date: Fri, 5 Feb 2010 22:28:47 -0800 (PST)
>
> > Hm, now it looks like this, but I don't know how it'd reveal more
> > information:
> >
> > [ 210.707051] Kernel unaligned access at TPC[10101f18] btrfs_csum_final+0x38/0x60 [btrfs]
> > [ 210.802236] Caller [10101f1c:btrfs_csum_final+0x3c/0x60 [btrfs]]
> > [ 210.874620] Kernel unaligned access at TPC[10101f18] btrfs_csum_final+0x38/0x60 [btrfs]
> > [ 210.969899] Caller [10101f1c:btrfs_csum_final+0x3c/0x60 [btrfs]]
> > [ 228.724982] Kernel unaligned access at TPC[10101f18] btrfs_csum_final+0x38/0x60 [btrfs]
> > [ 228.820220] Caller [10101f1c:btrfs_csum_final+0x3c/0x60 [btrfs]]
> > [ 228.892286] Kernel unaligned access at TPC[10101f18] btrfs_csum_final+0x38/0x60 [btrfs]
> > [ 228.987851] Caller [10101f1c:btrfs_csum_final+0x3c/0x60 [btrfs]]
> >
> > I'm open for more patches :-)
>
> Confusing for me too. I'll try to think about this some more.

It is probably the directory code. I switched that to crc32c since
you tried things.

-chris