Date: Fri, 22 Oct 2004 00:21:05 +0300 From: "Oleg V. Nauman" <oleg@reis.zp.ua> To: Michael Nottebrock <michaelnottebrock@gmx.net> Cc: kde-freebsd@freebsd.kde.org Subject: Re: [kde-freebsd] unkillable multithreaded processes stuck in `STOP' state Message-ID: <20041021212105.GX12192@core.zp.ua> In-Reply-To: <200410212227.02663.michaelnottebrock@gmx.net> References: <200410211523.52663@misha-mx.virtual-estates.net> <200410212227.02663.michaelnottebrock@gmx.net>
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On Thu, Oct 21, 2004 at 10:26:50PM +0200, Michael Nottebrock wrote:
> On Thursday, 21. October 2004 21:23, Mikhail Teterin wrote:
> > Hello!
> >
> > This happened twice already -- first with KMail and now with Kontact.
> > A process crashes as usual (KDE's 3.3.0 release was of unusually low
> > quality), and seems to go away, except it does not. It stays in the
> > `STOP' (according to top(1)) or in the `T' (as per ps(1)) state and
> > can not be killed -- neither with -CONT, nor with -KILL.
>
> [...]
>
> > This is all, probably, due to something in KDE's attempts to capture
> > crashes and collect backtraces for better bug reports. But whatever bugs
> > they may have there, having an unkillable process -- of any kind -- worries
> > me greatly. Is this a known issue, or is a PR warranted?
>
> There have been no similar reports (to my knowledge) and I haven't seen
> anything similar on either 4.x or 5.x (I don't run 6-CURRENT).
This problem looks like not specific to KDE, but for OpenOffice and
clamav-milter at least.
Unkillable by -9 OpenOffice (5.3-BETA7,information from local mailing list):
ps -O flags,lim,lockname,mwchan,nwchan,sigcatch,sigignore,sigmask,state,wchan,xstat 2194
PID F LIM LOCK MWCHAN NWCHAN CAUGHT IGNORED BLOCKED
STAT WCHAN XSTAT TT STAT TIME COMMAND
2194 8c081 - - - - 1b80eeb7 781000 fffefeff
TL - 0 ?? TL 0:05,47 /usr/local/OpenO
clamav-milter (doesn't respond to SIGCONT), but killable by -9 only,
without any library mappings (5.3-STABLE):
#ps -O flags,lim,lockname,mwchan,nwchan,sig,sigcatch,sigignore,sigmask,state,wchan,xstat 418
PID F LIM LOCK MWCHAN NWCHAN PENDING CAUGHT IGNORED BLOCKED
STAT WCHAN XSTAT TT STAT TIME COMMAND
418 88180 - - - - 0 10040000 87a9001 fffefeff
TLs - 0 ?? TLs 0:02.78 /usr/local/sbin/
# kill -CONT 418
#ps -O flags,lim,lockname,mwchan,nwchan,sig,sigcatch,sigignore,sigmask,state,wchan,xstat 418
PID F LIM LOCK MWCHAN NWCHAN PENDING CAUGHT IGNORED BLOCKED
STAT WCHAN XSTAT TT STAT TIME COMMAND
418 288180 - - - - 40000 10040000 87a9001 fffefeff
TLs - 0 ?? TLs 0:02.78 /usr/local/sbin/
>
> --
> ,_, | Michael Nottebrock | lofi@freebsd.org
> (/^ ^\) | FreeBSD - The Power to Serve | http://www.freebsd.org
> \u/ | K Desktop Environment on FreeBSD | http://freebsd.kde.org
--
NO37-RIPE
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