svn commit: r350005 - head/sys/kern

Bryan Drewery bdrewery at FreeBSD.org
Wed Jul 31 17:08:45 UTC 2019


On 7/30/19 10:14 PM, Konstantin Belousov wrote:
> On Tue, Jul 30, 2019 at 08:40:28PM -0700, Bryan Drewery wrote:
>> This 2nd change alone (&& count1 == 0) was sufficient to fix the endless
>> loop problem.
> Good, thank you.
> 
>>
>> I am not sure how to test the umtxq_check_susp() change. Do I just need
>> to ptrace the process?
> 
> No, you should create a situation where the python process ends the endless
> loop, as reported.  Then, it should become killable by 9 with the first
> chunk only applied.
> 

I don't have an easy way to test that. kill -9 inside the loop didn't
work. Once the loop ended the process was done; it is very short lived
and the calling code is buried in Python I think.

-- 
Regards,
Bryan Drewery

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