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Re: Test for regex module hangs


From: Eric Blake
Subject: Re: Test for regex module hangs
Date: Thu, 31 Jan 2013 15:54:45 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130110 Thunderbird/17.0.2

On 01/31/2013 03:13 PM, Reuben Thomas wrote:
> By the way, until this bug is fixed, a reasonable workaround is to pass
> --with-included-regex to configure.
> 
> 
> On 30 January 2013 13:50, Reuben Thomas <address@hidden> wrote:
> 
>> When running the test for working re_compile_pattern, I get a hang;
>> attaching to the process gives me:
>>
>> (gdb) where
>> #0  __lll_lock_wait_private () at
>> ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:93
>> #1  0x00002ab6dd5c6221 in _L_lock_10625 () at malloc.c:5209

I was able to reproduce the hang in an Ubuntu VM, although I could not
reproduce it using Fedora 16 with glibc 1.14.90.  At any rate, it's easy
enough to fix; I'll add an alarm() handler to the m4 test (same as we
have done for other tests that hang).

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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