[systemd-devel] [PATCHv4] core: notify triggered by socket of a service

[Colin Guthrie]

'Twas brillig, and Colin Guthrie at 21/09/13 11:57 did gyre and gimble:
> 'Twas brillig, and Colin Guthrie at 19/09/13 00:54 did gyre and gimble:
>> Hi,
>>
>> While I'm not 100% sure, (not done quite enough testing), but this patch
>> seems to have introduced some kind of race that results in me seeing a
>> 1min delay in boot. This delay creeps in before
>> systemd-udevd-control.socket starts so my dmesg looks like:
>>
>> [    1.549666] RPC: Registered tcp NFSv4.1 backchannel transport module.
>> [   61.592613] systemd[1]: ConditionPathIsReadWrite=/sys succeeded
>> for systemd-udevd-control.socket.
>>
>>
>>
>> And it was the mention socket related stuff that reminded me of this
>> thread and patch.
>>
>> So I reverted the commit (otherwise running git master) and have
>> performed three successful boots so far without issue. This is obviously
>> not conclusive, but sadly I also have a problem shutting down quickly...
>> seems my httpd.service file now also stalls until it times out. When the
>> ControlGroup becomes empty, it seems this isn't properly detected and
>> systemd keeps the unit in the "deactivating" state until it times out.
>> I'll post a separate mail about this issue.
>>
>> I'll keep testing and reporting if I still get the delayed boot.
> 
> Since applying Olivier Brunel's type=notify patch it seems my httpd
> timeout on shutdown problem is fixed and I have done several reboots.
> 
> Seems that after reverting this patch, I've not had any more startup
> delays, so I would say there is definitely something up with it.


Not seen anyone else commenting on this one.... do others not see this
deadlock I mentioned?

I'll do some more tests with 208 soon.

Col


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Colin Guthrie
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