From mboxrd@z Thu Jan  1 00:00:00 1970
From: bugzilla-daemon@freedesktop.org
Subject: [Bug 36952] New: segfault in crackberg xscreensaver on ATI RS482 in
	mesa git running kms & gallium
Date: Sat,  7 May 2011 17:20:42 -0700 (PDT)
Message-ID: <bug-36952-502@http.bugs.freedesktop.org/>
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https://bugs.freedesktop.org/show_bug.cgi?id=36952

           Summary: segfault in crackberg xscreensaver on ATI RS482 in
                    mesa git running kms & gallium
           Product: Mesa
           Version: git
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: writemeanddie@hotmail.com


system 32 bit gentoo
video card ATI RS482 configured to share 128MB system RAM
kernel 2.6.38.4
xorg-server 1.10.1
mesa git commit 37058c3497850f452bdaf70a5dda07ee4840b6b9 May 4 2011
xf86-video-ati git commit 62a4cd180fe884dca24586d453395472516e6496 May 4, 2011
mesa compile flags: classic egl gallium llvm nptl openvg shared-dricore
video_cards_r300 video_cards_radeon
xscreensaver 5.12

When running the xscreensaver 'crackberg' on mesa from git the screen freezes
for 20-60 seconds (I think memory is filling up and swapping out RAM) and then
the program exits with a segfault.  The message in /var/log/kern.log is
kernel: crackberg[30926]: segfault at b5a30000 ip b653b2c1 sp bf943e30 error 4.
If I downgrade to mesa 7.10.2-r1 the screensaver works as expected.  If I run
with ums the screensaver works as expected.  Other screensavers are affected as
well, I can compile a list if necessary.

Any other logs or info that I can collect is no problem.

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