Date: Thu, 9 Jul 2009 15:01:50 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: stable@freebsd.org, kde@freebsd.org Subject: Re: process stuck in "umtxn" Message-ID: <20090709200148.GD63413@dan.emsphone.com> In-Reply-To: <4A563FF2.3010305@aldan.algebra.com> References: <4A563FF2.3010305@aldan.algebra.com>
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In the last episode (Jul 09), Mikhail T. said: > I noticed, that my build of KDE4 ports got suspiciously quiet... Pressing > Ctrl-T shows: > > load: 0.01 cmd: automoc4 78507 [umtxn] 0.00u 0.00s 0% 3552k > > According to gdb, the process' stack is: > > #0 0x0000000800d9620a in __error () from /lib/libthr.so.3 > #1 0x0000000800d95f0c in __error () from /lib/libthr.so.3 > #2 0x0000000800d911eb in pthread_mutex_getyieldloops_np () from /lib/libthr.so.3 > #3 0x0000000800f0941b in _malloc_postfork () from /lib/libc.so.7 > #4 0x0000000800d93c60 in fork () from /lib/libthr.so.3 > #5 0x0000000800778e4a in QProcessPrivate::startProcess () from /opt/lib/qt4/libQtCore.so.4 > #6 0x000000080073f2c6 in QProcess::start () from /opt/lib/qt4/libQtCore.so.4 > .... > > My system is 7.2-PRERELEASE/amd64 from April 9th. Please, advise. > Thanks! Yours, That could be due to the following bug, fixed after 7.2 was released. Appliying the patch and rebuilding libc should be all you need to fix it: http://security.freebsd.org/advisories/FreeBSD-EN-09:04.fork.asc -- Dan Nelson dnelson@allantgroup.com
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