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bug#25279: 26.0.50; Slowdown/crash on certain characters


From: Richard Copley
Subject: bug#25279: 26.0.50; Slowdown/crash on certain characters
Date: Tue, 21 Feb 2017 20:33:38 +0000

retitle 25279 26.0.50; calling SendMessage inside critical section
causes deadlock
thanks

On 21 February 2017 at 20:28, Eli Zaretskii <address@hidden> wrote:
>> From: Richard Copley <address@hidden>
>> Date: Tue, 21 Feb 2017 20:05:28 +0000
>> Cc: address@hidden
>>
>> Here's how to make Emacs hang without the need to uninstall any fonts,
>> on Windows (not reproducible on GNU/Linux).
>> 1. Type "M-x view-hello-file" (don't press return).
>> 2. In quick succession, type "C-m" and then "C-g". *
>
> Thanks.
>
>> Eli, should I retitle this bug to "26.0.50; calling SendMessage inside
>> critical section causes deadlock", or close this bug as a duplicate of
>> the other "slow fonts on Windows" bugs and file a new report about
>> the hanging?
>
> The former, I guess.  I will take a look when I have time.

Thanks.

>> Emacs master has a pronounced tendency to hang in various other
>> circumstances too.
>
> Showing backtraces from the relevant threads when it hangs would be
> appreciated.

OK, I'll run Emacs in the debugger for a few weeks.





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