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bug#45277: SELECTION_CLEAR_EVENT crashes
From: |
Juri Linkov |
Subject: |
bug#45277: SELECTION_CLEAR_EVENT crashes |
Date: |
Wed, 06 Jan 2021 19:37:18 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (x86_64-pc-linux-gnu) |
retitle 45277 SELECTION_CLEAR_EVENT crashes
quit
>> Thanks for the help offer. I see no more crashes even
>> without making bootstrap, so can't find an explanation.
>
> I've just pushed a change to dbusbind.c because of another
> error. Although I don't see a coincidence with your problem, it might be
> worth to pull and compile Emacs (no bootstrap).
After a week of calm, the crashes returned, but now with
a breakpoint in kbd_buffer_store_buffered_event, it revealed
that after copying a text to the clipboard outside of Emacs
causes the broken event SELECTION_CLEAR_EVENT to be added to the
kbd queue. Sometimes the event kind becomes 11, sometimes 27.
Their binary representations:
#b01011 => 11 (SELECTION_CLEAR_EVENT)
#b11011 => 27 (DBUS_EVENT)
====
Note that their suffixes are the same "1011",
and only the leading bit differs.
Looks like a bit flip that means a faulty memory.
Maybe I should acquire ECC memory as Linus suggested
https://www.realworldtech.com/forum/?threadid=198497&curpostid=198647
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