Everyone seems to be speculating that this is caused by hardware. We have
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).
I'm currently checking 2.2.13 on our newsserver. I'm curious what will
happen tonight.
Tommy
On Thu, 21 Oct 1999, Mark Hagger wrote:
> I've just tried 2.2.13pre18 with my application code that handles considerable
> file i/o (pulling about 1Gbyte data in and out of memory pretty constantly)
> under heavy CPU load, (2 of these processes running on a dual PII 450
> machine, with 512MBytes RAM). As with all kernels since 2.2.5 that goes into
> the worrysome errors of the form:
>
> kernel: attempt to access beyond end of device
> kernel: 08:0d: rw=0, want 77831577, limit=15638246
>
> although it takes around 12 hours of this file access to get to this state.
>
> Perhaps even more worrying I've been running the same application under a 2.2.5
> kernel, which I had thought was ok for this problem, but after about 4 days of
> continuous heavy file access I started getting the same problem. This is the
> first time I'd ever seen this with 2.2.5 kernels.
>
> This problem is really starting to get very worrying indeed, and I suspect is
> going to be a real pain to track down. But as it leads to file system
> corruption (and I've seen others reporting this in the list), surely this has
> to be tracked down pretty urgently? Especially since Redhat are now shipping
> 2.2.12 as their distribution kernel!
>
> Mark
>
> --
> Mark Hagger Tel: 01305 212803
> DERA Winfrith, Winfrith Technology Centre Fax: 01305 212103
> Winfrith, Dorset, DT2 8XJ, UK Email: mhagger@dera.gov.uk
>
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