From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: kernel BUG at prints.c:334 Date: Mon, 06 Jan 2003 11:42:09 +0300 Message-ID: <3E194161.1070306@namesys.com> References: <20030106101149.B1881@namesys.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <20030106101149.B1881@namesys.com> List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Oleg Drokin Cc: reiserfs-list@namesys.com, phoner.reiserfs@blah.pl Oleg Drokin wrote: >Hello! > >On Thu, Jan 02, 2003 at 05:14:25PM +0100, Maciej Matysiak wrote: > > > >>reiserfs went mad on one of my machines. it's debian woody, with 2.4.20 kernel. >>in system logs i can see: >> >> > >Logs you just provided show that your harddrive cannot remember what it was >supposed to store anymore. > Oleg, please consider finding all of our messages which say I/O error, and adding something that says "i/o errors are almost always due to hardware failure" > > > >>Jan 1 11:00:29 brzydal kernel: I/O error: dev 08:21, sector 65704 >>Jan 1 11:00:29 brzydal kernel: zam-7001: io error in reiserfs_find_entry >>Jan 1 11:00:29 brzydal kernel: I/O error: dev 08:21, sector 65704 >>Jan 1 11:00:29 brzydal kernel: zam-7001: io error in reiserfs_find_entry >> >> > >See these IO errors? It cannot read the data off the HDD (/dev/sdc1). > > > >>i've just tried to unmount the device. umount segfaulted, but the device is >>no longer mounted. in logs i can see: >> >> > >Yes, reiserfs is not very well prepared to I/O errors while writing to journal, >hence it panicked. > > > >>reiserfsck can't do anything: >> >> > >No wonder, it cannot read anything off the disk either. > >May be if you reboot or just keep the box off for some time and drive will >return to somewhat normal state, you will be able to >read something off it, but may be not. You will not know >for sure until you try. > > > >>it's brand new, just 3 weeks ago installed. it's attached to: >>scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8 >> >> aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs >>what's wrong (disk or kernel?) and what can with this problem? >> >> > >Try to reboot (halt, switch the box off, then turn it back on to be sure), >if everything will appear normal, then the problem is with >controller or aic7xxx driver most probably. >If the drive is still inaccessible, then the drive is bad. > > > >>i'm a bit afraid to reboot the machine at the moment. >> >> > >Since the disk cannot be read anymore, you have no much other choices I afraid. > >Bye, > Oleg > > > > -- Hans