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DateSun, 14 Nov 2004 23:45:59 +0100
FromAndries Brouwer <>
SubjectRe: 2.6.9: unkillable processes during heavy IO
On Sun, Nov 14, 2004 at 02:30:51PM -0800, Andrew Morton wrote:
> Brad Fitzpatrick <brad@danga.com> wrote:
> >
> > Next time it hangs like this, how can I get a kernel backtrace or other useful information
> >  for a certain process?
> 
> echo t > /proc/sysrq-trigger
> dmesg -n 1000000 > foo

I suppose you meant s/-n/-s/

With a recent dmesg (util-linux 2.12b or later) no parameter is needed.
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