[Mesa-dev] [Bug 76664] New: Metro: Last Light segfaults very often in level 10 (swamp) on loading last checkpoint

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76664

          Priority: medium
            Bug ID: 76664
          Assignee: mesa-dev at lists.freedesktop.org
           Summary: Metro: Last Light segfaults very often in level 10
                    (swamp) on loading last checkpoint
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: d.spitznagel at goodbytez.de
          Hardware: x86 (IA32)
            Status: NEW
           Version: 10.1
         Component: Mesa core
           Product: Mesa

Created attachment 96432
  --> https://bugs.freedesktop.org/attachment.cgi?id=96432&action=edit
Metro: LL segfault on loading last checkpoint

Hello Devs,

I have very often segfaults when loading last checkpoint in the swamp level.
This does occur mostly on the second or third load of last checkpoint and
sometimes but not often during fight.

dmesg shows this after crash (I have collected some of them):
MetroLL[3089]: segfault at 64 ip 08dd401f sp 996eccb0 error 4 in
MetroLL[8048000+1336000]
MetroLL[3146]: segfault at 1 ip 08dd401f sp 9a020d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2911]: segfault at 1 ip 08dd401f sp 99eedd50 error 4 in
MetroLL[8048000+1336000]
MetroLL[3797]: segfault at 1 ip 08dd401f sp 9a6edd50 error 4 in
MetroLL[8048000+1336000]
MetroLL[4363]: segfault at 64 ip 08dd401f sp adadace0 error 4 in
MetroLL[8048000+1336000]
MetroLL[4416]: segfault at 1 ip 08dd401f sp 9a820d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2840]: segfault at 1 ip 08dd401f sp 95dedd50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2862]: segfault at 1 ip 08dd401f sp ada32ce0 error 4 in
MetroLL[8048000+1336000]
MetroLL[2739]: segfault at 1 ip 08dd401f sp 95720d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[3276]: segfault at 1 ip 08dd401f sp 99f20d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[4004]: segfault at 1 ip 08dd401f sp 9a020d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2727]: segfault at 1 ip 08dd401f sp 99f20d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2803]: segfault at 1 ip 08dd401f sp 99f20d50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2695]: segfault at 1 ip 08dd401f sp 9aaedd50 error 4 in
MetroLL[8048000+1336000]
MetroLL[2757]: segfault at 64 ip 08dd401f sp 9a51fcb0 error 4 in
MetroLL[8048000+1336000]

I have also made a backtrace of one crash attached to this report.
Hope I have picked the right threads!
When not, let me know and I will make another backtrace.
As you can see in the attachment I have started Metro LL with STEAM_RUNTIME
enabled so there are some missing debugging symbols.
When it helps I can of course run Metro LL with disabled RUNTIME and install
some more debugging symbols for other non-mesa libs.

My specs of now:
Debian Jessie i386
8 GB total RAM
Mesa 10.1.0
Intel Driver 2.99.911
CPU Intel(R) Core(TM) i3-3225 CPU @ 3.30GHz
Xorg 1.15.0
Kernel 3.12.14

I hope this will help you to find the problem cause many people (Metro LL Steam
community) have it, a few not.

As a note:
I've tested also todays mesa from git, but had new segfaults (more often then
with 10.1 during fight) and some textures where broken too.

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