Re: splice/tee bugs?

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On Fri, Jul 07 2006, Michael Kerrisk wrote:
> > > c) Occasionally the command line just hangs, producing no output.
> > >    In this case I can't kill it with ^C or ^\.  This is a 
> > >    hard-to-reproduce behaviour on my (x86) system, but I have 
> > >    seen it several times by now.
> > 
> > aka local DoS.  Please capture sysrq-T output next time.
> 
> I don't have sysrq configured in the kernel that I'm testing at 
> the moment (I'll build again with sysrq), but have just got 
> the error again.  For what it's worth, "ps l" says:
> 
> F   UID   PID  PPID PRI  NI    VSZ   RSS WCHAN  STAT TTY        TIME COMMAND
> 0  1000  7099   630  16   0      0     0 -      D+   pts/30     0:00 [ktee]

Try ps -eo cmd,wchan, it should give you a little more at least. But
sysrq-t is the best, of course.

I'll see about reproducing locally.

-- 
Jens Axboe

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