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bug#17753: Cygwin emacs-X11 core dump
From: |
markus . hoenicka |
Subject: |
bug#17753: Cygwin emacs-X11 core dump |
Date: |
Tue, 29 Jul 2014 00:45:15 +0200 |
Ken Brown writes:
> A bug in the Cygwin DLL (64-bit only) was just discovered and fixed.
> The bug could have prevented stack space from being committed after the
> initial commit. Could you try the latest snapshot from
> https://cygwin.com/snapshots/ and see if these strange crashes stop? I
> realize that you may have to run emacs for several weeks before you can
> be confident.
>
> Ken
>
Hi,
it took a while, but today Emacs crashed again, although I have been
running the snapshot from July 9 since you mentioned it might affect
the bug. Apparently, it doesn't. The backtrace is similar to the ones I
used to get with the stock cygwin1.dll. This time Emacs crashed during
startup, I didn't even have a chance to do anything before it
disappeared. Backtrace is attached below.
regards,
Markus
info threads
Id Target Id Frame
10 Thread 0x3c4 0xfaf3003300001f80 in ?? ()
9 Thread 0x1254 0x0000003300001f80 in ?? ()
8 Thread 0x12c0 0x9e84003300001f80 in ?? ()
7 Thread 0x12f0 0x0005003300001f80 in ?? ()
6 Thread 0x2e8 0x0005003300001f80 in ?? ()
5 Thread 0xf38 0x0000003300001f80 in ?? ()
4 Thread 0x119c 0x0000003300001f80 in ?? ()
3 Thread 0x580 0x0000003300001f80 in ?? ()
2 Thread 0x10d8 0x0000003300001f80 in ?? ()
* 1 Thread 0xff8 0x0000003300001fa4 in ?? ()
(gdb) thread apply all bt
Thread 10 (Thread 0x3c4):
#0 0xfaf3003300001f80 in ?? ()
#1 0x0000000000000000 in ?? ()
Thread 9 (Thread 0x1254):
#0 0x0000003300001f80 in ?? ()
#1 0x000007fefdaf10dc in ?? ()
#2 0x0000000000000000 in ?? ()
Thread 8 (Thread 0x12c0):
#0 0x9e84003300001f80 in ?? ()
#1 0x000007fefdaf10dc in ?? ()
#2 0x0000000000000000 in ?? ()
Thread 7 (Thread 0x12f0):
#0 0x0005003300001f80 in ?? ()
#1 0x000007fefcfc5971 in ?? ()
#2 0x0000000000000000 in ?? ()
Thread 6 (Thread 0x2e8):
#0 0x0005003300001f80 in ?? ()
#1 0x000007fefdaf10dc in ?? ()
#2 0x0000000000000000 in ?? ()
Thread 5 (Thread 0xf38):
#0 0x0000003300001f80 in ?? ()
#1 0x000007fefdaf1203 in ?? ()
#2 0x00000000033daba8 in ?? ()
#3 0x0000000600042280 in ?? ()
#4 0x0000000000000003 in ?? ()
#5 0x00000001802edc50 in ?? ()
#6 0xfffffffffffe7960 in ?? ()
#7 0x00000000033dab10 in ?? ()
#8 0x0000000000000048 in ?? ()
#9 0x0000000000000001 in ?? ()
#10 0x0000000000000000 in ?? ()
Thread 4 (Thread 0x119c):
#0 0x0000003300001f80 in ?? ()
Cannot access memory at address 0xffffc458
(gdb) thread apply 3 bt
Thread 3 (Thread 0x580):
#0 0x0000003300001f80 in ?? ()
#1 0x000000007785b037 in ?? ()
#2 0x0000000000000000 in ?? ()
(gdb) thread apply 2 bt
Thread 2 (Thread 0x10d8):
#0 0x0000003300001f80 in ?? ()
#1 0x000007fefdaf1a7a in ?? ()
#2 0x000000000042ce00 in ?? ()
#3 0x0000000100629773 in run_timers ()
at /usr/src/debug/emacs-24.3.90-1/src/atimer.c:364
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb) thread apply 1 bt
Thread 1 (Thread 0xff8):
#0 0x0000003300001fa4 in ?? ()
#1 0x0000000000430000 in ?? ()
#2 0x0000000100970c78 in ?? ()
#3 0x000000000000e118 in ?? ()
#4 0x00000000005c6e30 in ?? ()
#5 0x0000000600cd502d in ?? ()
#6 0x0000000000000015 in ?? ()
#7 0x0000000600fdcbf4 in ?? ()
#8 0x0000000600cd502d in ?? ()
#9 0x0000000000426330 in ?? ()
#10 0x0000000600000005 in ?? ()
#11 0x0000000100970c78 in ?? ()
#12 0x0000000000000000 in ?? ()
--
Markus Hoenicka
http://www.mhoenicka.de
AQ score 38