[Bug 2086706] Re: gnome-flashback crashes on idle

[Andre Bacao]

The above logging doesn't seem to catch the issue


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cat 20241218-gdb-gnome-flashback.txt                                                                                                                                                                                                                                                                         130 ↵
(gdb) Starting program: /usr/bin/gnome-flashback 
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libgdm.so.1
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libcanberra.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libgdk-3.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libgdk_pixbuf-2.0.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libgobject-2.0.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libglib-2.0.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libpam.so.0
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libcap.so.2
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libgmodule-2.0.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libbrotlidec.so.1
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libcap-ng.so.0
warning: could not find '.gnu_debugaltlink' file for /lib/x86_64-linux-gnu/libbrotlicommon.so.1
[Inferior 1 (process 2210) exited with code 01]
(gdb) No stack.
(gdb) %   
---

This time i was able to retrieve dmesg

---
...
[  109.340471] kauditd_printk_skb: 4 callbacks suppressed
[  109.340481] audit: type=1400 audit(1734607860.501:488): apparmor="DENIED" operation="capable" class="cap" profile="/usr/lib/snapd/snap-confine" pid=10999 comm="snap-confine" capability=12  capname="net_admin"
[  109.340489] audit: type=1400 audit(1734607860.501:489): apparmor="DENIED" operation="capable" class="cap" profile="/usr/lib/snapd/snap-confine" pid=10999 comm="snap-confine" capability=38  capname="perfmon"
[ 1461.576818] simple-framebuffer simple-framebuffer.0: swiotlb buffer is full (sz: 2097152 bytes), total 32768 (slots), used 0 (slots)
[ 1469.210291] Registered IR keymap rc-cec
[ 1469.210498] rc rc0: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0
[ 1469.210607] input: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0/input41
[ 1475.242989] simple-framebuffer simple-framebuffer.0: swiotlb buffer is full (sz: 2097152 bytes), total 32768 (slots), used 0 (slots)
[ 1476.174576] gnome-flashback[4552]: segfault at 6367e9a42b58 ip 00007795751610dd sp 00007ffc2ac4f4c0 error 4 in libgtk-3.so.0.2409.32[779574e83000+3ae000] likely on CPU 11 (core 7, socket 0)
[ 1476.174622] Code: ec 20 64 48 8b 04 25 28 00 00 00 48 89 45 e8 31 c0 e8 27 27 ff ff 48 85 db 0f 84 86 00 00 00 48 89 c6 48 8b 03 48 85 c0 74 05 <48> 39 30 74 0c 48 89 df e8 76 08 d3 ff 85 c0 74 6a 48 8b 4b 18 45
[ 1476.776667] i915 0000:00:02.0: Using 41-bit DMA addresses
[ 1477.706813] simple-framebuffer simple-framebuffer.0: swiotlb buffer is full (sz: 2097152 bytes), total 32768 (slots), used 0 (slots)
[ 1483.525369] Registered IR keymap rc-cec
[ 1483.525533] rc rc0: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0
[ 1483.525656] input: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0/input42
---


I do have a monitors.xml file and I'm using 3 screens (1 laptop screen, 1 HDMI and another using thunderbolt in a dell dock)

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Title:
  gnome-flashback crashes on idle

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