Re: access beyond end of device errors in 2.2.13pre18 AND 2.2.5

Mark Hagger (mhagger@dera.gov.uk)
Tue, 26 Oct 1999 15:12:58 +0100


On Thu, 21 Oct 1999, Tommy van Leeuwen wrote:
> 6 identical machines and only 1 gives the same errors. I think (and i'm
> pretty sure) that it's caused by reusing inodes or such (i'm not that
> much into source).
>
> Try newfs'ing a disk. No matter how hard you try, the corruption will only
> occure once the disk is 'used'. I've never seen this corruption on a new
> disk, only on heavy used disks (i.e. news and mail data).

And Manfred wrote:
> Could you post the complete error message from 2.2.13pre18?There should be a
> third line below, and the exact numbers might be intresting.

As it happens I have just re-formated all the disks that were being somewhat
thrashed (as I have just put redhat 6.1 on our system and decided to start
from scratch, and thanks to redhat for their interesting NIS (ypserv) server
RPM). So far I have not seen any access errors, but I will continue to hit the
system hard.

Prior to reformat the disks were very heavily fragmented, due to considerable
hammering over the last 9 months or so, some up to around 20% fragmented as
well (on a 16 gig partition on a 18 gig drive). Typically large files were
created during a run and then deleted completely.

So perhaps the "re-used inodes" is a factor.

Here is some interesting log file entries from the pre-reinstall:

Oct 21 19:22:57 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:57 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:57 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1
Oct 21 19:22:58 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:58 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:58 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:22:59 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:59 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:22:59 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1
Oct 21 19:22:59 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:59 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:59 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:22:59 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:59 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:22:59 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1
Oct 21 19:22:59 nc10 kernel: attempt to access beyond end of device
Oct 21 19:22:59 nc10 kernel: 08:0d: rw=0, want=1029576352, limit=15639246
Oct 21 19:22:59 nc10 kernel: dev 08:0d blksize=1024 blocknr=1029576351 sector=2059152702 size=10
24 count=1
Oct 21 19:23:00 nc10 kernel: attempt to access beyond end of device
Oct 21 19:23:00 nc10 kernel: 08:0d: rw=0, want=1073509243, limit=15639246
Oct 21 19:23:00 nc10 kernel: dev 08:0d blksize=1024 blocknr=-1073974406 sector=2147018484 size=1
024 count=1

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