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[Bug 684745] Re: Alt-tab causes compiz assert failure: compiz: main/mipmap.c:43: bytes_per_pixel: Assertion `b >= 0' failed.

To: compiz@xxxxxxxxxxxxxxxxxxx
From: Chris <684745@xxxxxxxxxxxxxxxxxx>
Date: Wed, 26 Jan 2011 00:06:11 -0000
Reply-to: Bug 684745 <684745@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

compiz still crashes with alt-tab even with mesa 7.10

$ glxinfo | grep version | grep Mesa
OpenGL version string: 2.1 Mesa 7.10

from dmesg:
[   67.995123] show_signal_msg: 6 callbacks suppressed
[   67.995132] compiz[1492]: segfault at 0 ip 00007f1540ed60ab sp 00007fffec9bcec0 error 4 in libdricore.so[7f1540e56000+20e000]
[  170.500168] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[  269.775337] [drm:drm_mode_getfb] *ERROR* invalid framebuffer id
[  275.324838] radeon 0000:01:05.0: r600_cs_track_check:361 mask 0x0000000F | 0x0000000F no cb for 0
[  275.324846] radeon 0000:01:05.0: r600_packet3_check:1330 invalid cmd stream 502
[  275.324851] [drm:radeon_cs_ioctl] *ERROR* Invalid command stream !

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https://bugs.launchpad.net/bugs/684745

Title:
  Alt-tab causes compiz assert failure: compiz: main/mipmap.c:43:
  bytes_per_pixel: Assertion `b >= 0' failed.