Re: 2.6.9: unkillable processes during heavy IO

[Andrew Morton]

Brad Fitzpatrick <brad@xxxxxxxxx> 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

then send foo.
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