** Bug watch added: Mozilla Bugzilla #666931
https://bugzilla.mozilla.org/show_bug.cgi?id=666931
** Also affects: firefox via
https://bugzilla.mozilla.org/show_bug.cgi?id=666931
Importance: Unknown
Status: Unknown
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** Also affects: linaro-ubuntu
Importance: Undecided
Status: New
** Changed in: linaro-ubuntu
Status: New => In Progress
** Changed in: linaro-ubuntu
Assignee: (unassigned) => Ricardo Salveti (rsalveti)
** Changed in: linaro-ubuntu
Importance: Undecided => Medium
** Cha
Merge proposal: https://code.launchpad.net/~rsalveti/firefox/natty-
disable-thumb2/+merge/65757
SRU Justification for Natty:
Impact: Current firefox package enable THUMB2 support by default on ARM,
but as a side effect this break WebM support, disabling youtube html5
support (this is important on
** Branch linked: lp:~rsalveti/firefox/disable-thumb2
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https://bugs.launchpad.net/bugs/789198
Title:
Firefox crashes when attempting to play webm video OMAP4 Panda Board
To manage noti
** Branch linked: lp:~rsalveti/firefox/natty-disable-thumb2
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https://bugs.launchpad.net/bugs/789198
Title:
Firefox crashes when attempting to play webm video OMAP4 Panda Board
To manag
Note that I've disabled elfhack entirely on our nightly builds anyway,
as it's pretty much a no-op on Ubuntu
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Title:
Firefox crashes when attempti
Ok, this actually seems to be related with THUMB2 support.
Built firefox-5.0+build1+nobinonly without THUMB2 and disabling the ELF
hack and now I'm fully able to play webm videos at youtube.
Seems THUMB2 support was enabled while fixing bug 696895, and probably
nobody ever tested with webm, as it
Tried to build the daily version with 'noopt' but then got blocked by
another bug:
/usr/bin/python2.7
/build/firefox/trunk2/firefox-trunk-7.0~a1~hg20110618r71272+nobinonly/build-tree/mozilla/config/pythonpath.py
-I../../config
/build/firefox/trunk2/firefox-trunk-7.0~a1~hg20110618r71272+nobinonl
(gdb) b vp8dx_receive_compressed_data
Breakpoint 1 at 0x40c4899c: file
/build/firefox/trunk/firefox-trunk-7.0~a1~hg20110618r71272+nobinonly/build-tree/mozilla/media/libvpx/vp8/decoder/onyxd_if.c,
line 318.
(gdb) b vp8_push_neon
Breakpoint 2 at 0x40c54132
(gdb) c
Continuing.
[New Thread 0x520ff460
Also able to reproduce the same issue with Nightly 7.0a1 (2011-06-19):
https://crash-stats.mozilla.com/report/index/bp-35ce5a2a-c1f8-40e4-ae6a-c89062110620
The trace shows the seg fault is happening at the same place as with
previous firefox.
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The error is happening while calling vp8_push_neon(dx_store_reg) at
mozilla/media/libvpx/vp8/decoder/onyxd_if.c:342.
gdb:
...
(gdb) b vp8dx_receive_compressed_data
Breakpoint 1 at 0x407d1ea4: file
/build/buildd/firefox-5.0~b5+build1+nobinonly/build-tree/mozilla/media/libvpx/vp8/decoder/onyxd_if.c
Running with GDB doesn't help much at the crash, even with all debug symbols:
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x5b8ff2b0 (LWP 2663)]
0x59cf8d64 in ?? ()
(gdb) bt full
#0 0x59cf8d64 in ?? ()
No symbol table info available.
#1 0x5b8fe8f0 in ?? ()
No symbol
It would also be useful to try this on the latest trunk nightly
(upstream will request that anyway). We provide builds for those, but
unfortunately not for armel
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Thanks for that. Remember that not everyone (myself included) has the
hardware to reproduce this on though, which makes things quite difficult
for me.
Could you reproduce this in gdb? I could do with seeing the stack
variables in the top few frames really, but crash-stats doesn't provide
that info
Changing to Medium as this is the only way to play youtube videos on the
released Ubuntu on ARM images, as we don't have full flash support.
** Tags added: arm-porting-queue
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https://bugs
The crash report:
https://crash-stats.mozilla.com/report/index/bp-22e23234-387d-43d0-ad3e-a11c12110613
Happens with the normal Ubuntu image, and quite easy to reproduce, just
try to play an youtube video with HTML5 and it'll explode.
** Summary changed:
- Firefox crashes when attempting to play
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