** Changed in: mesa
Importance: Unknown = Medium
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https://bugs.launchpad.net/bugs/87661
Title:
[apport] polytopes crashed with SIGILL in
** Changed in: mesa
Importance: Medium = Unknown
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https://bugs.launchpad.net/bugs/87661
Title:
[apport] polytopes crashed with SIGILL in
** Changed in: mesa
Importance: Unknown = Medium
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
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** Changed in: mesa (Debian)
Status: Confirmed = Fix Released
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of Ubuntu
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** Changed in: mesa
Status: Confirmed = Fix Released
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
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The real fix is in mesa master now:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=2b8d8989fb6f9c36baf166fc715182a1407ebadb
Maybe we can cherry-pick it to our mesa 7.2?
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
The debdiff looks good to me, I've uploaded to intrepid.
** Changed in: mesa (Ubuntu)
Status: Confirmed = Fix Released
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification
** Attachment added: mesa_7.0.3-1ubuntu2.debdiff
http://launchpadlibrarian.net/15056489/mesa_7.0.3-1ubuntu2.debdiff
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you
** Attachment added: mesa_7.0.3-1ubuntu2.debdiff
http://launchpadlibrarian.net/15066513/mesa_7.0.3-1ubuntu2.debdiff
** Attachment removed: mesa_7.0.3-1ubuntu2.debdiff
http://launchpadlibrarian.net/15056489/mesa_7.0.3-1ubuntu2.debdiff
--
[apport] polytopes crashed with SIGILL in
Test packages with the above debdiff can be found in my PPA, built on
hardy. Thinking about it, we could have checked DEB_BUILD_ARCH in
debian/rules and only added the hook in the amd64 packages... And this
workaround might not catch things like remote X etc, but it will be good
enough for most
** Changed in: mesa (Debian)
Status: Unknown = Confirmed
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of Ubuntu
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** Bug watch added: Debian Bug tracker #484180
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=484180
** Also affects: mesa (Debian) via
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=484180
Importance: Unknown
Status: Unknown
--
[apport] polytopes crashed with SIGILL in
By checking `uname -m` we only detect if the _kernel_ is x86-64.
This would be a problem if someone was running a 64-bit kernel and a 32-bit
userland because they would get MESA_NO_ASM exported without needing it.
I think it would be better to do
if [ `dpkg --print-architecture` = amd64 ]
You're probably right, I didn't think about such combinations. It could
be even more complicated for what I know, I don't know how mesa chooses
its code path in all these cases. Anyway, here's a proposed Xsession.d
file that we can test and get reviewed.
** Attachment added: 65mesa-check-x86-64
** Attachment added: 65mesa-check-x86-64
http://launchpadlibrarian.net/14764142/65mesa-check-x86-64
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of
Setting MESA_NO_ASM stops the crashes for me, I agree that this is a much nicer
work-around but it would be even better if mesa could do runtime-checks as it
does on IA32.
Perhaps mesa's postinst-script could check cpu vendor and add MESA_NO_ASM=1 to
/etc/environment?
--
[apport] polytopes
export MESA_NO_ASM=1 also solves the problem here.
Thank you very much for this very useful tip !
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of Ubuntu
The best solution is if we can set this conditionally at run-time,
depending on the contents of /proc/cpuinfo. I suggest to put this in a
file /etc/X11/Xsession.d/65mesa-check-x86-64, which will be sourced at X
session startup, and ship it with a mesa package. That way we can just
drop it once it
I think the best solution is to just do a:
if `grep -q -i genuineintel /proc/cpuinfo`
that would be true iff the host cpu was made by intel.
I'll attach my cpuinfo anyway.
** Attachment added: cpuinfo intel x86-64
http://launchpadlibrarian.net/14754789/cpuinfo
--
[apport] polytopes crashed
Here is my /proc/cpuinfo
** Attachment added: cpuinfo
http://launchpadlibrarian.net/14755010/cpuinfo
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of
Well, we don't want this to kick in on all Intel processors (like the 32
bit ones), so maybe we have to check something like uname -m as well.
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug
Or to do it the other way, is there for instance something in flags
for AMD64 processors that we can probe for? I found a /proc/cpuinfo for
an AuthenticAMD and it has flags like 3dnowext and 3dnow (and uname -m
gives x86_64):
if [ `uname -m` = x86_64 ] ! grep -q ^flags.*3dnow /proc/cpuinfo; then
This patch disables the usage of assembly optimizations on amd64 builds of
mesa.
It works for me
** Attachment added: Patch to disable assembly optimizations
http://launchpadlibrarian.net/12789668/disable_amd64_assembly.patch
--
[apport] polytopes crashed with SIGILL in
The comment on the mesa bugzilla that the build target should be changed to one
that does not use assembly-optimizations is probably the only thing we can do
to fix this.
Maybe this should be reported and fixed in debian first and then synced to
ubuntu?
--
[apport] polytopes crashed with
** Changed in: mesa
Status: Unknown = Confirmed
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
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Upstream bug # changed to non-duplicate
** Changed in: mesa
Bugwatch: freedesktop.org Bugzilla #15061 = freedesktop.org Bugzilla #8724
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug
I filed a bug against mesa, this issue still exists in git head on
freedesktop.org.
** Bug watch added: freedesktop.org Bugzilla #15061
https://bugs.freedesktop.org/show_bug.cgi?id=15061
** Also affects: mesa via
https://bugs.freedesktop.org/show_bug.cgi?id=15061
Importance: Unknown
I confirm this bug, backtrace is the same.
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
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MIchael, please reopen the bug if you can provide a complete backtrace.
** Changed in: mesa (Ubuntu)
Sourcepackagename: xscreensaver = mesa
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug
Really the bug is more severe than just failing (and innocent) xscreensaver.
backtrace:
#0 0x2ade19df2582 in _mesa_x86_64_transform_points4_perspective () from
/usr/lib/dri/i915_dri.so
#1 0x2ade19d85909 in ?? () from /usr/lib/dri/i915_dri.so
#2 0x2ade19d7bd7b in _tnl_run_pipeline
invalid opcode (for Intel CPUs) in amd64 binary version
** Changed in: mesa (Ubuntu)
Status: Invalid = New
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a
[Expired for xscreensaver (Ubuntu) because there has been no activity
for 60 days.]
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[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of Ubuntu
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** Attachment removed: CoreDump.gz
http://launchpadlibrarian.net/6526054/CoreDump.gz
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[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://bugs.launchpad.net/bugs/87661
You received this bug notification because you are a member of Ubuntu
Bugs,
Thanks for your bug report. Please try to obtain a backtrace
http://wiki.ubuntu.com/DebuggingProgramCrash and attach the file to the
bug report. This will greatly help us in tracking down your problem.
** Changed in: xscreensaver (Ubuntu)
Status: Unconfirmed = Needs Info
--
[apport]
Thanks for your bug report.
** Changed in: xscreensaver (Ubuntu)
Importance: Undecided = Medium
** Tags added: need-amd64-retrace
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[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://launchpad.net/bugs/87661
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StacktraceTop:?? ()
?? ()
?? ()
** Tags removed: need-amd64-retrace
** Attachment added: Stacktrace.txt (retraced)
http://librarian.launchpad.net/6899463/%3Cfdopen%3E
--
[apport] polytopes crashed with SIGILL in
_mesa_x86_64_transform_points4_perspective()
https://launchpad.net/bugs/87661
** Attachment added: CoreDump.gz
http://librarian.launchpad.net/6526054/CoreDump.gz
** Attachment added: Dependencies.txt
http://librarian.launchpad.net/6526055/Dependencies.txt
** Attachment added: Disassembly.txt
http://librarian.launchpad.net/6526056/Disassembly.txt
** Attachment
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