On Thu, Apr 26, 2012 at 1:25 AM, Michael Mol <[email protected]> wrote:
> On Thu, Apr 26, 2012 at 1:16 AM, Michael Mol <[email protected]> wrote:
>> On Thu, Apr 26, 2012 at 12:37 AM, Michael Mol <[email protected]> wrote:
>>> On Wed, Apr 25, 2012 at 11:50 PM, Canek Peláez Valdés <[email protected]> 
>>> wrote:
>>>> On Wed, Apr 25, 2012 at 10:09 PM, Michael Mol <[email protected]> wrote:
>>>>> I've had two segfaults I'd never seen before. One in sudo and one in
>>>>> rdesktop. Updates later when I get things better tracked down.
>>>>
>>>> I had a gcc segfault in my atom server, with MAKEOPTS=-j5. With
>>>> MAKEOPTS=-j1, I got undefined references while linking some modules.
>>>> My desktop and my laptop, however, compiled it without problems.
>>>>
>>>> I haven't had the time to check it, but it seems weird.
>>>
>>> Replacing with a binpackage from packages.gentooexperimental.org got
>>> bash working. Now I'm seeing if I can re-emerge gcc, binutils and
>>> glibc.
>>>
>>> If that goes through, I'm going to restart the emerge -e; my resume
>>> stack is probably toast.
>>
>> Ok, yes. This version of glibc, =sys-libs/glibc-2.14.1-r3, is crud. At
>> least, if you're doing parallel building. Out of my three machines,
>> the 8-core box got bit by it, the 4-core box got bit by it, but the
>> 2-core laptop sailed past.
>>
>> I have a hunch that setting MAKEOPTS="-j1" will fix it for me, and I'm
>> letting that run as I head off to sleep in a few minutes.
>
> Note, my experiences and instructions are specific to amd64 boxes. I
> don't know if other boxes are affected, and the workaround I'm writing
> below is not appropriate for anything but amd64.
>
> Incidentally, you'll know if your box got bit if you do a large set of
> emerges which include building glibc, and everything after glibc's
> 'Install' phase fails. Don't trust emerge's output; at this point,
> bash is segfaulting on startup, which makes emerge utterly unreliable,
> even as it tries to tell you the cause for errors.
>
> DO NOT close your open shells; you won't be able to launch bash until
> you've fixed this.
>
> To work around, you'll need a root shell. If you have any shell at
> all, you should be able to get a root shell by running
>
>  sudo busybox sh
>
> in any of your remaining shells which have sudoer access.
>
> grab
>
>  glibc-2.14.1-r3.tbz2
>
> from
>
>  http://packages.gentooexperimental.org/packages/amd64-unstable/sys-libs/
>
> using wget. At least in my situation, wget still worked. Move the
> tarball to your / directory:
>
>  mv glibc-2.14.1-r3.tbz2 /
>
> and unpack it
>
>  tar xvjpf glibc-2.14.1-r3.tbz2
>
> You should now have bash back, which means you'll have emerge back,
> and probably the rest of your system.

MAKEOPTS="-j1" didn't fix it. Off to find another solution.
-- 
:wq

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