On Thu, Sep 17, 2009 at 07:10:06PM +0200, Markus Trippelsdorf wrote: > > > 06CD DFC0: 0D 86 2B B2 57 A4 5A CD 78 4B 08 94 C0 65 17 3A > > > 06CD DFC0: 0D 86 2B B2 57 A4 5A CD 78 0B 08 94 C0 65 17 3A > > > > 4B = 01001011 > > 0B = 00001011 > > > > And so on. > > > > It looks like a few bits are getting flipped at the same byte offset. > > One can imagine software bugs that would do this, certainly, but upset > > hardware seems awfully likely too. > > I'm afraid you're right. I did some further tests and now I'm pretty > sure that a bad RAM module was the root cause of it all... > Oh well. On the other hand, that what's so great in checksumming filesystems. You found bad module thanks to btrfs, otherwise you wouldn't suspect anything wrong. If you have had raid-1 for data, this corruption would have been fixed by btrfs. -- Tomasz Torcz 72->| 80->| xmpp: zdzichubg@xxxxxxxxx 72->| 80->| -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
