Date: Tue, 03 Aug 2010 09:45:34 -0400 From: Etienne Robillard <erob@gthcfoundation.org> To: =?ISO-8859-1?Q?Ren=E9_Ladan?= <rene@freebsd.org>, freebsd-current@freebsd.org Subject: Re: thunderbird-3.0.6 stuck in ucond upon start Message-ID: <4C581D7E.6010907@gthcfoundation.org> In-Reply-To: <AANLkTin-qg-eKwFMv14Zm4bzgfbL6UwS%2B_V_V7huM%2Bpk@mail.gmail.com> References: <AANLkTinpSyHqyMtwR8yED1%2BLnSwPK9nHrZrn4sy5WSy0@mail.gmail.com> <4C5735F9.9020308@gthcfoundation.org> <AANLkTimwGLehnM%2BSGs0fR9SOjPaWsFTeYCWF1Z5pWWXt@mail.gmail.com> <4C58151A.2060207@gthcfoundation.org> <AANLkTin-qg-eKwFMv14Zm4bzgfbL6UwS%2B_V_V7huM%2Bpk@mail.gmail.com>
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Could this be a side effect from DEADLKRES or as a result of a exclusive mutex lock (lock order reversal) ? I'd add option DEBUG_LOCKS and/or WITNESS_SKIPSPIN, to disable witness checks on spin mutexes, as explained in the NOTES file. cheers, Etienne René Ladan wrote: > It should just be the GENERIC kernel, it is attached for completeness. > > Rene > > 2010/8/3 Etienne Robillard <erob@gthcfoundation.org>: > >> Please show us the kernel config too. It compiles and runs >> without side effects on FreeBSD 8.1 (GENERIC) and native gcc... >> >> cheers! >> >> Etienne >> >> >> >> On 08/02/10 17:18, René Ladan wrote: >> >>> Fair enough... >>> >>> a trace of about the first 10 seconds generated by 'ktrace -di >>> thunderbird' >>> is available at ftp://rene-ladan.nl/pub/freebsd/ktrace.out >>> >>> You'll need a amd64 machine to kdump it. >>> >>> Note that nothing user-visible happens when I start thunderbird. >>> >>> Regards, >>> Rene >>> >>> 2010/8/2 Etienne Robillard<erob@gthcfoundation.org>: >>> >>> >>>> a kernel backtrace would be a nice visual aid to debug!!! >>>> >>>> Cheers, >>>> >>>> Etienne >>>> >>>> >>>> René Ladan wrote: >>>> >>>> >>>>> Hi, >>>>> >>>>> it looks like on this CURRENT: >>>>> FreeBSD acer 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r210736: Sun Aug 1 >>>>> 21:51:37 CEST 2010 >>>>> rene@acer:/usr/obj/usr/home/rene/freebsd/clangbsd/sys/GENERIC amd64 >>>>> >>>>> thunderbird is always stuck in ucond upon start, however it is killable. >>>>> >>>>> This is a clangbsd kernel (GENERIC, with WITNESS), r210319 with gccbsd >>>>> userland, r209980 and gcc-compiled up-to-date ports. >>>>> The following modules are loaded: >>>>> acer % kldstat >>>>> Id Refs Address Size Name >>>>> 1 26 0xffffffff80100000 f96790 kernel >>>>> 2 1 0xffffffff81097000 570f8 iwn5000fw.ko >>>>> 3 1 0xffffffff810ef000 29778 snd_hda.ko >>>>> 4 2 0xffffffff81119000 85e20 sound.ko >>>>> 5 1 0xffffffff8119f000 1c480 if_iwn.ko >>>>> 6 1 0xffffffff81212000 3a85 linprocfs.ko >>>>> 7 1 0xffffffff81216000 1de5d linux.ko >>>>> acer % >>>>> >>>>> Regards, >>>>> Rene >>>>> >>>>> >>> _______________________________________________ >>> freebsd-current@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-current >>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >>> >>> >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" -- Etienne Robillard Green Tea Hackers Club E-mail: erob@gthcfoundation.org Work phone: 1 (514) 962-7703 Website: https://gthc.org/ During times of universal deceit, telling the truth becomes a revolutionary act. -- George Orwell
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