Date: Fri, 25 Jul 2008 15:36:52 -0500 (CDT) From: "Sean C. Farley" <scf@FreeBSD.org> To: Chagin Dmitry <chagin.dmitry@gmail.com> Cc: Roman Divacky <rdivacky@FreeBSD.org>, freebsd-emulation@FreeBSD.org Subject: Re: kern/122318 (CMake core dumping, chroot exiting) Message-ID: <alpine.BSF.1.10.0807251511230.31063@thor.farley.org> In-Reply-To: <alpine.BSF.1.10.0807252318130.1162@ora.chd.net> References: <alpine.BSF.1.10.0807231236140.12600@thor.farley.org> <20080723184450.GA25356@freebsd.org> <alpine.BSF.1.10.0807231459030.12600@thor.farley.org> <alpine.BSF.1.10.0807240016340.28898@ora.chd.net> <alpine.BSF.1.10.0807231616570.12600@thor.farley.org> <20080725082156.GA41887@freebsd.org> <20080725083122.GA42835@freebsd.org> <alpine.BSF.1.10.0807251233470.1710@ora.chd.net> <alpine.BSF.1.10.0807251231050.30805@thor.farley.org> <alpine.BSF.1.10.0807252318130.1162@ora.chd.net>
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On Fri, 25 Jul 2008, Chagin Dmitry wrote:
> On Fri, 25 Jul 2008, Sean C. Farley wrote:
>> On Fri, 25 Jul 2008, Chagin Dmitry wrote:
>>>
>>> yes, but I remember it was a question about chroot...
>>
>> I have the trouble in and out of the chroot (FC2-based) but also with
>> linux_base-f{c4,c6,8}. I just ran it outside of the chroot to get
>> the ktrace much more easily. This is on a FreeBSD 7 amd64 system
>> running a 32-bit chroot.
>>
>
> ugh... my head, sorry (((
>
>>> Sean, can you provide full command which you run?
>>
>> Steps to recreate:
>> mkdir a
>> cd a
>> touch CMakeLists.txt
>> /home/sfarley/chroot/usr/bin/cmake .
>>
>> System setup for 7-STABLE as of July 14th:
>> compat.ia32.maxvmem: 0
>> compat.ia32.maxssiz: 67108864
>> compat.ia32.maxdsiz: 536870912
>> compat.linux.oss_version: 198144
>> compat.linux.osrelease: 2.6.16
>> compat.linux.osname: Linux
>> compat.linux32.maxvmem: 0
>> compat.linux32.maxssiz: 67108864
>> compat.linux32.maxdsiz: 536870912
>>
>> BTW, switching to compat.linux.osrelease=2.4.2, running some Linux
>> applications and switching back to 2.6.16 does not leave Linux
>> emulation in a happy state. Simple Linux applications such as uname
>> start core dumping.
>>
>
> uname must work on all supported linuxulators
I agree, and it does work until I start playing with the Linux version.
This problem may or may not be related to the cmake issue.
> I can't reproduce problem, my output on linuxulator64:
8-CURRENT vs 7-STABLE issue maybe?
> at me only one idea - create shell script like this:
>
> #!/bin/sh
> sleep 30
> /usr/bin/cmake .
>
> run it,
> ps -ax | grep you_script_name
> ktrace -di -p you_script_pid -f /ttt/tracefile.out
>
> and show result. thnx!
OK. I obtained a trace file[1]. Amusingly, bash also died in this
scenario.
Sean
1. http://www.farley.org/freebsd/tmp/ktrace.out.bz2
--
scf@FreeBSD.org
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