[bitbake-devel] bitbake hangs forever when PR serv is enabled

[Martin Jansa]

On Fri, Jan 11, 2013 at 04:28:56PM +0100, Martin Jansa wrote:
> When building world which takes long time to finish I 
> sometimes see bitbake hanging forever. It didn't happen
> until I've enabled PR Service. But maybe it's not caused 
> by PR Service and it's just coincidence.
> 
> I've to kill python processes manually and this traceback shown:
> Exception in thread Thread-1:
> Traceback (most recent call last):
>   File "/usr/lib/python2.7/threading.py", line 551, in __bootstrap_inner
>     self.run()
>   File "/usr/lib/python2.7/threading.py", line 504, in run
>     self.__target(*self.__args, **self.__kwargs)
>   File "/home/jenkins/oe/shr-core-branches/shr-core/bitbake/lib/prserv/serv.py", line 173, in _work
>     self.prserv.work_forever()
>   File "/home/jenkins/oe/shr-core-branches/shr-core/bitbake/lib/prserv/serv.py", line 93, in work_forever
>     self.handle_request()
>   File "/usr/lib/python2.7/SocketServer.py", line 265, in handle_request
>     fd_sets = select.select([self], [], [], timeout)
> error: (4, 'Interrupted system call')
> 
> When this happens, there is only one python process doing something 
> for very long time:
> 29299 jenkins    20   0     0     0     0 Z  0.0  0.0 26:13.66 |  |           |        `- python
> 
> and when I've tried to connect to it with strace it was looping
> between 2 pipes both returning EAGAIN.
> 
> Usually last cooker output is rm_work_all in gimp, but I don't see 
> anything special in gimp recipe and it could be some other thread 
> in background.
> 
> NOTE: Running task 22874 of 23570 (ID: 996, /home/jenkins/oe/shr-core-branches/shr-core/meta-openembedded/meta-oe/recipes-graphics/gimp/gimp_2.8.2.bb, do_rm_work_all)
> NOTE: recipe gimp-2.8.2-r0: task do_rm_work_all: Started
> NOTE: recipe gimp-2.8.2-r0: task do_rm_work_all: Succeeded
> Exception in thread Thread-1:
> .. traceback from above
> 
> Anyone seen this too? Any hints?

More info in https://bugzilla.yoctoproject.org/show_bug.cgi?id=3742

Cheers,

-- 
Martin 'JaMa' Jansa     jabber: Martin.Jansa at gmail.com
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