Re: 2.3.12 - klogd 100% CPU && Bogus Buffer memory count

Chuck Lever (cel@monkey.org)
Tue, 10 Aug 1999 12:21:48 -0400 (EDT)


On Tue, 10 Aug 1999, Mofeed Shahin wrote:
> Well Chuck, I have just tried using the same cd again and yes it is
> reproducable.
> As soon as I get one of these :
>
> Aug 10 18:16:26 tt2 kernel: attempt to access beyond end of device
> Aug 10 18:16:26 tt2 kernel: 0b:00, want=532574, limit=532572
>
> klogd starts using 100% CPU.
>
> So it looks like the race condition is in the cdrom layer.
>
> Anything else I can do to try find this bug, I will be happy to do.

thanks mofeed-

but the klogd problem is separate from the buffermem problem. i think
someone even recently posted a fix for it here on linux-kernel. do you
see buffermem go negative when you see the "attempt to access" message?

- Chuck Lever

--
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The Linux Scalability project: http://www.citi.umich.edu/projects/linux-scalability/

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