[OE-core] Feedback on building openembedded-core for qemuarm. Excerpts from buildlog

[Ulf Samuelsson]

On 2011-12-01 15:49, Ulf Samuelsson wrote:
> On 2011-11-30 18:30, Scott Garman wrote:
>> On 11/29/2011 01:18 PM, Ulf Samuelsson wrote:
>>>
>>>>> Seen a couple of errors as well.
>>>>>
>>>>> 1. ERROR: Function 'useradd_sysroot' failed
>>>>> Tried to access "/etc/group" but this was locked.
>>>>> Problem disappeared the next time I rebuilt.
>>>> Can you file a bug about this problem please. I think we need to go
>>>> through the code paths in shadow and ensure its locking is sane. I 
>>>> took
>>>> a quick look at the code and was left wondering what lckpwdf() does 
>>>> for
>>>> example. Scott, could you take a look at this?
>>>
>>> Bugzilla is out of service, so bugs cannot be filed.
>>
>> I have filed a bug for this, and have been trying to reproduce it 
>> without success:
>>
>> http://bugzilla.pokylinux.org/show_bug.cgi?id=1794
>>
>>> Haven't seen the issue since then so it is hard to give any details.
>>> I used very high BB_NUMBER_THREADS = 24.
>>
>> I do have access to a system with a lot of cores, and have been doing 
>> builds on it.
>>
>> I'd just like to confirm that when you saw this, it was a build from 
>> scratch (e.g, not using sstate cache from a previous build). And 
>> also, you *weren't* building this from a remote filesystem (NFS), 
>> correct?
>>
>> Thanks,
>>
>> Scott
>>
> No NFS for sure.
>
> I think this was the first build, but only 99% sure.
> It disappered when I restarted the build.
>
> Have not seen this problem repeated, but then, the build on this
> machine has other problems
>
> Packages tend to fail since the c++ compiler seems to ignore "--sysroot"
>
> Machine = Ubuntu-11.10 x64.
>
> This is with BB_NUMBER_THREADS = "4"
> If I change this, then the same problem occur, but in a different 
> package.
> (Tried with "4" AND "24")
>
Have made some further tests with the same machine, but now running 
Ubuntu 11.04 x64

bitbake console-image

     PARALLEL_TASKS        BB_NUMBER_TASKS        BUILD TIME
     2                                  2                                
       1:24:16
     4                                  4                                
       0:48:22
     6                                  6                                
       0:45:00
     24                                24                                
     C++ compiler fails with --sysroot problem
                                                                         
         after ~2200 out of 2400 tasks.



BR
Ulf

-- 
Best Regards
Ulf Samuelsson
eMagii