On Fri, Nov 25, 2011 at 12:59 PM, Florian Philipp <li...@binarywings.net> wrote:
> Am 25.11.2011 19:11, schrieb Pandu Poluan:
>>
>> On Nov 26, 2011 12:05 AM, "微菜" <micro...@fedoraproject.org
>> <mailto:micro...@fedoraproject.org>> wrote:
>>>
>>> 于 2011年11月24日 15:34, justin 写道:
>>> > On 24/11/11 06:27, Paul Hartman wrote:
>>> >> Hi,
>>> >>
>>> >> After emerging glibc-2.14.1 today, pam stopped working, which
>>> >> prevented KDE from working and some other things. I got this kind of
>>> >> message:
>>> >>
>>> >> /lib64/libc.so.6: version `GLIBC_2.14' not found (required by
>>> >> /lib64/libcrypt.so.1)
>>> >>
>>> >> There were no @preserved-rebuild and revdep-rebuild found nothing. I
>>> >> rebuilt pam and things seem to be working again. Are there any other
>>> >> packages I should rebuild before encountering a problem? Or some way
>>> >> to detect which need to be rebuilt? Should I re-emerge world against
>>> >> my new glibc? :)
>>> >>
>>> >> Thanks,
>>> >> Paul
>>> >>
>>> >
>>> > Hi Paul,
>>> >
>>> > after an glibc upgrade it is time to do an
>>> >
>>> > emerge -e system world
>>>
>>> you must be kidding me . it will take days to complete.
>>>
>>
>> On my virtualized servers, emerge -e @system @world, a total of
>> 170-something packages, takes only about 6-7 hours. Remember, these are
>> VMs, which means the 2 vCPUs I assigned them are actually shared with
>> other VMs.
>>
>> On a non-virtualized system, should be faster. Of course, if you have
>> sizable packages, it might take around 24 hours to complete.
>>
>> Rgds,
>>
>
> I've used Gentoo since 2006 and never had any reason to emerge -e. I can
> also cite posts on this mailing list going back as far as 2007 (just my
> local archive, mind you) that say it is unnecessary for glibc updates.
> Or, to cite Volker Armin Hemmann's eloquent reply from 08-11-2007: "no" ;-)

Can I detect which packages need to be rebuilt (revdep-rebuild finds
nothing), other than waiting for something to fail? Or do you think
the messages are a false alarm, symptoms of already-loaded programs
and will go away after my next reboot?

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