From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: Slow link/Capacity changed + Kernel OOPS... possible hardware issues, ideas? Date: Fri, 8 Oct 2010 10:53:19 -0400 Message-ID: <20101008145319.GK4804@think> References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Cc: linux-btrfs@vger.kernel.org To: C Anthony Risinger Return-path: In-Reply-To: List-ID: On Thu, Oct 07, 2010 at 10:07:47PM -0500, C Anthony Risinger wrote: > well after recently talking about how i haven't had any problems with > btrfs on several machines for ~1.5yrs... >=20 > it happens :-( >=20 > ) 2.6.35 kernel > ) btrfs on partition 2 of sda > ) no special mkfs or mount options used (except ssd) >=20 > my fianc=E9's EEE S101 netbook, w/SSD, is failing hard. when booting > normally (subvol=3D__active), no special boot options, it hangs at > udev... it all started today, when it suddenly froze during normal > use, and i was forced to hard power off. it hasn't started up > correctly since. using an Archlinux rescue usb disk (archboot), i > tried to tar + ssh backup the system to another machine (i can still > mount the btrfs disk); i tried a couple times, and it always transfer= s > ~1.3MB then pukes. the last time i managed to get the kernel log > somehow, as it didn't lockup... >=20 > can anyone point me in the right direction? it looks like maybe the > SSD is failing to me (all the "slow link" and "capacity changed to 0" > stuff), but i really don't know. i knew there was a reason they were > selling these things cheap on Newegg!!! >=20 > i have backups of important data, but i'd rather not have to set the > damn thing up again; you know how it is :-), should have backed up th= e > whole system, whoopsie, next time. >=20 > the mayhem starts with: >=20 > "Oct 8 02:38:26 (none) kernel: btrfs bad tree block start 2463035801= 6 > 24630292480" Ok, so the drive has decided to jumble up our blocks a little bit. Thi= s message means we're finding the wrong data at a given offset. I can help you copy things off but I don't think this FS is going to be good any longer. Are you interested in copying the latest bits off or do you just want to cut your losses? -chris -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" = in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html