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Re: UI Unresponsive Again on macOS

From: Herbert J. Skuhra
Subject: Re: UI Unresponsive Again on macOS
Date: Mon, 13 Mar 2017 07:23:05 +0100

Alan Third skrev:
> On Fri, Mar 10, 2017 at 06:40:00AM -0800, Bob Halley wrote:
>> I build from the master branch about once a week. I had no problem
>> with last week's build made early in the morning California time on
>> Sunday the 6th, but the build I just made this morning becomes
>> completely unresponsive after a short time. I don't have an exact
>> recipe to reproduce -- I was just typing, and then stopped for a
>> bit, and then it became completely unresponsive. This happens every
>> time I try to use it.
>> I suspect one or both of these changes:
>> a65236214d9202fb69a6ba5169d4ac1a4bcb0b0d
>> 3bd2e9e975ed29daaf03ca7559e4664aade0674f
>> as they are new since my last working build and seem to be relevant.
>> I obtained backtraces of all the threads. I did two snapshots of
>> thread 1 as it seemed to be spinning a bit.
> Thanks for that, Bob. I noticed these hangs too, but I haven’t
> actually managed to catch one in the debugger yet.
> Can you please try the attached patch? I’m not at all sure it’ll fix
> it, but it’ll be good to rule it out.

Unfortunately I cannot confirm that this patch fixes the issue on my
system. I still see high cpu usage and hangs when using Gnus (nntp) on
macOS 10.12.4 Beta 5. git bisect showed that
3bd2e9e975ed29daaf03ca7559e4664aade0674f is the culprit.


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