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Old 11-04-2018, 02:43 PM   #1
swatnio
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Registered: Jan 2009
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Firefox segfaults in libxul.so


Hi there,
I'm on up-to-date 14.2, and I'm getting apparently-random Firefox crashes.
Package installed is mozilla-firefox-60.3.0esr
IIRC, the crashes started when mozilla-firefox upgraded from version 52 to 60

On dmesg I see
Code:
[163403.521309] Chrome_~dThread[1399]: segfault at 0 ip 00007fa5a308fcfd sp 00007fa5a1666b00 error 6 in libxul.so[7fa5a2c35000+524a000]
(note that libxul.so is provided by firefox and I barely use chrome, then I am quite sure this is from Firefox despite saying "Chrome")

Anyone else experiencing this?
 
Old 11-04-2018, 04:05 PM   #2
55020
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I'm not experiencing this, but it looks very like https://bugzilla.mozilla.org/show_bug.cgi?id=1428346

(by the way, the word 'Chrome' in this context does not refer to Google's browser)
 
Old 11-04-2018, 04:35 PM   #3
swatnio
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I found this too:
https://bugzilla.mozilla.org/show_bug.cgi?id=1436242
in this case, they mention that the sigsegv is happening on Fedora's firefox 60 builds (https://bugzilla.redhat.com/show_bug.cgi?id=1577277)
The assigned person to that bug said:
Quote:
I see that this has been marked wontfix for 60.0 (...) that means Fedora will need to apply the patch locally.
I'll try to rebuild the package for myself applying this patch
https://hg.mozilla.org/integration/a...v/6bb3adfa15c6
and see what happens
 
Old 11-04-2018, 04:44 PM   #4
55020
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1436242 looks to have absolutely nothing whatsoever in common with the problem you're reporting.
 
Old 11-04-2018, 07:38 PM   #5
crts
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Quote:
Originally Posted by swatnio View Post
On dmesg I see
Code:
[163403.521309] Chrome_~dThread[1399]: segfault at 0 ip 00007fa5a308fcfd sp 00007fa5a1666b00 error 6 in libxul.so[7fa5a2c35000+524a000]
(note that libxul.so is provided by firefox and I barely use chrome, then I am quite sure this is from Firefox despite saying "Chrome")

Anyone else experiencing this?
I am also experiencing crashes with this error message. It usually happens when I click on a link and do not release the mouse button. When I then try to drag the link it crashes. The crash on drag 'n' drop also happens with images or marked text. However, I am running my Firefox in an LXC jail which provides only a 'crippled' environment. Therefore I have not reported it as a bug, yet. I have not been able to reproduce the crashes on a full installation. Are you, by any chance, also running Firefox in a container?
 
Old 11-04-2018, 09:54 PM   #6
swatnio
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Registered: Jan 2009
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Quote:
Originally Posted by crts View Post
It usually happens when I click on a link and do not release the mouse button. When I then try to drag the link it crashes.
(...)
Are you, by any chance, also running Firefox in a container?
Thanks for the info! Unfortunately I couldn't reproduce it again.
I'm not running it in a container. The only thing I have different and might have some impact, is xmonad.
Which made me think that, maybe, it crashes when I switch workspace. IIRC, I realize ff crashed when I switched to the workspace and ff wasn't there. Happened several times and found the dmesg log.

Quote:
Originally Posted by 55020 View Post
1436242 looks to have absolutely nothing whatsoever in common with the problem you're reporting.
After reading this, I didn't apply the patch.

Last edited by swatnio; 11-04-2018 at 09:55 PM.
 
Old 11-12-2018, 05:55 PM   #7
swatnio
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Registered: Jan 2009
Distribution: slackware
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I was on a website and clicked with the middle button on three links to open them on a new tab.
Those 3 links where pointing directly to audio files.
The 3 tabs opened and I switched to one of them, I saw the audio player (native from firefox) which started reproducing automatically.
I closed the tab I was on by clicking the middle button over the tab.
Firefox crashed, and dmesg showed the line I posted.

edit: tried again, this time no crash

Last edited by swatnio; 11-12-2018 at 06:01 PM.
 
Old 11-13-2018, 12:38 AM   #8
ponce
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have you tried starting with a new clean profile?
you can close firefox and temporary rename your ~/.mozilla folder (like ~/.mozilla.bak) so that it gets recreated at the next firefox start.
 
  


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