tmpfs deadlock on stable/9
Dmitry Morozovsky
marck at rinet.ru
Wed Dec 7 17:59:34 UTC 2011
On Wed, 7 Dec 2011, Kostik Belousov wrote:
> > I have ports tinderbox runnign on stable/9-amd64, with working directories on
> > tmpfs. I have two consecutive tmpfs deadlocks like
> >
> > root at beaver:/usr/local/tb/scripts# ps t2
> > PID TT STAT TIME COMMAND
> > 2337 2 Is 0:00.04 /bin/tcsh
> > 3079 2 I 0:00.01 sudo -sE
> > 3260 2 I 0:00.02 /bin/tcsh
> > 20309 2 I+ 0:00.06 /bin/sh ./tc tinderbuild -nullfs -norebuild -b
> > 9-i386-RiNet
> > 27035 2 S+ 0:00.13 make PACKAGES=/usr/local/tb/packages/9-i386-RiNet -k
> > -j1 all
> > 46470 2 I+ 0:00.00 sh -ev
> > 46471 2 I+ 0:00.01 /bin/sh /usr/local/tb/scripts/lib/portbuild
> > 9-i386-RiNet 9-i386 RiNet -nullfs gsm-1.0.13.tbz /usr/ports/audio/gsm
> > 46677 2 I+ 0:00.00 /bin/sh /buildscript /usr/ports/audio/gsm 2
> > 46766 2 I+ 0:00.00 /pnohang 7200 /tmp/make.log4 gsm-1.0.13 make build
> > 46767 2 I+ 0:00.02 make build
> > 46768 2 I+ 0:00.00 /pnohang 7200 /tmp/make.log4 gsm-1.0.13 make build
> > 46789 2 I+ 0:00.00 [sh]
> > 46790 2 D+ 0:00.01 make -f Makefile -j4 all
> > 46918 2 I+ 0:00.00 sh -ev
> > 46926 2 I+ 0:00.00 sh -ev
> > 46928 2 Z+ 0:00.09 <defunct>
> > 46938 2 D+ 0:00.00 mv gsm_create.o ./src/gsm_create.o
> > 46940 2 D+ 0:00.00 mv gsm_print.o ./src/gsm_print.o
> >
> > (this is parallel build, last 2 rm's are deadlocked on tmpfs)
> >
> > what kind of additional info should I send? I have debugging turned on in
> > kernel, if it's needed.
> http://www.freebsd.org/doc/en_US.ISO8859-1/books/developers-handbook/kerneldebug-deadlocks.html
>
> No, I do not promise to look into it.
It is available at http://bsd.woozle.net/tmpfs-lock-20111207.txt (~260k)
BTW, at least some of the debugger commands referenced (show locks, show
alllocks) are no longer exist
Thank you!
--
Sincerely,
D.Marck [DM5020, MCK-RIPE, DM3-RIPN]
[ FreeBSD committer: marck at FreeBSD.org ]
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*** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck at rinet.ru ***
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