Messages in this thread | | | Date | Tue, 27 May 2003 10:53:18 -0700 | From | manish <> | Subject | Re: 2.4.20: Proccess stuck in __lock_page ... |
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Marcelo Tosatti wrote:
>On Tue, 27 May 2003, Marc-Christian Petersen wrote: > >>On Tuesday 27 May 2003 19:27, Marcelo Tosatti wrote: >> >>Hi Marcelo, >> >>>>Following is SysRq-T output for stuck processes during such a pause from >>>>Christian Klose. Only processes in D state are listed for brevity. >>>>Especially the last two call traces are interesting. >>>> >>>A "pause" is perfectly fine (to some extent, of course), now a hang is >>>not. Is this backtrace from a hanged, unusable kernel or ? >>> >>A pause is _not_ perfectly fine, even not to some extent. That pause we are >>discussing about is a pause of the _whole_ machine, not just disk i/o pauses. >>Mouse stops, keyboard stops, everything stops, who knows wtf. >> > >Do you also notice them? > > >>That behaviour is absolutely bullshit for desktop users. For serverusage you >>may not notice it in this dimension (mostly no X so no mouse), but also for a >>server environment this may be very bad. >> > >Agreed. > Hi Marc,
With respect to the hangs that you noticed, did the processes complete after a "pause" or did they stay hung (deadlocked)?
Thanks Manish
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