Launchpad has imported 8 comments from the remote bug at http://bugs.freedesktop.org/show_bug.cgi?id=23862.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2009-09-11T05:40:40+00:00 Sven Arvidsson wrote: Created an attachment (id=29412) Viewport shading button Pressing the "Viewport Shading" (see screenshot if it's not apparent which one) button in Blender causes instant segfault. Works fine in software mode. I think this is a regression, so I might try a bisect when I have time. #0 0x00000000 in ?? () No symbol table info available. #1 0xb5d3638a in _swrast_ReadPixels (ctx=0x85, x=337, y=263, width=133, height=136, format=6408, type=5121, packing=0x8ef01fc, pixels=0xa054400) at swrast/s_readpix.c:605 clippedPacking = {Alignment = 4, RowLength = 133, SkipPixels = 0, SkipRows = 0, ImageHeight = 0, SkipImages = 0, SwapBytes = 0 '\0', LsbFirst = 0 '\0', ClientStorage = 0 '\0', Invert = 0 '\0', BufferObj = 0x8eafd18} #2 0xb5c116cf in intelReadPixels (ctx=0x8ee32d8, x=337, y=263, width=133, height=136, format=6408, type=5121, pack=0x8ef01fc, pixels=0xa054400) at intel_pixel_read.c:314 __func__ = "intelReadPixels" #3 0xb5caff36 in _mesa_ReadPixels (x=337, y=263, width=133, height=136, format=6408, type=5121, pixels=0xa054400) at main/readpix.c:208 ctx = 0x8ee32d8 System environment: -- chipset: G45 / ICH10R -- system architecture: 32-bit -- Linux distribution: Debian unstable -- Machine or mobo model: Asus P5Q-EM -- Display connector: DVI -- KMS: enabled -- xf86-video-intel: efbcf29dd1a1ca058b7a2a93f0685102c06c9369 -- xserver: 1.6.3 -- mesa: 7c0152fbaeb21ab423a9de339b85c54d1713432b -- drm: 67e4172394a88d4922fb8d9c7c3d96ce7e02c5a6 -- kernel: 2.6.31-rc9 Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/0 ------------------------------------------------------------------------ On 2009-09-11T13:53:48+00:00 Wolfgang Kufner wrote: This could be the same bug that I have observed and described in https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/427712 although here it does really not matter much what button in blender I click or even only mouse over. Anyway, this regression appeared between commits 4d85a6b3 and 18882f4d. file: libgl1-mesa-dri I attach my gdb log of the crash. please let me know if you need further information Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/8 ------------------------------------------------------------------------ On 2009-09-11T13:54:58+00:00 Wolfgang Kufner wrote: Created an attachment (id=29426) blender crash on button push Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/9 ------------------------------------------------------------------------ On 2009-09-11T14:02:15+00:00 Sven Arvidsson wrote: (In reply to comment #1) > This could be the same bug that I have observed and described in > https://bugs.launchpad.net/ubuntu/+source/mesa/+bug/427712 although here it > does really not matter much what button in blender I click or even only mouse > over. Doh! Indeed, almost any button will cause a segfault. Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/10 ------------------------------------------------------------------------ On 2009-09-11T14:40:34+00:00 Sven Arvidsson wrote: Bisecting leads to this: 36dd53a3cded9d003ec418732b7fc93c1476aa9b is first bad commit commit 36dd53a3cded9d003ec418732b7fc93c1476aa9b Author: Eric Anholt <[email protected]> Date: Thu Sep 10 09:26:38 2009 -0700 intel: Don't forget to map the depth read buffer in spans. This broke BlitFramebufferEXT(GL_DEPTH_BUFFER_BIT). :040000 040000 549d8f39d7717322b09dc656a5129f46162471f3 53fb80a11730f3ecfdf03231418e8dee0f7e984b M src Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/11 ------------------------------------------------------------------------ On 2009-09-13T13:35:59+00:00 Sven Arvidsson wrote: Might be the same as bug 23871 Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/19 ------------------------------------------------------------------------ On 2009-09-14T20:18:49+00:00 Gordon Jin wrote: Please retest with mesa master: Branch: master Commit: 8ec456c68cc69349c2506ce64047d06c7113780c URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=8ec456c68cc69349c2506ce64047d06c7113780c Author: Brian Paul <[email protected]> Date: Mon Sep 14 12:40:53 2009 -0600 intel: fix renderbuffer map/unmap regression Commit 36dd53a3cded9d003ec418732b7fc93c1476aa9b caused a few regressions because the glReadBuffer() buffer wasn't getting mapped when GL_READ_BUFFER != GL_DRAW_BUFFER. Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/20 ------------------------------------------------------------------------ On 2009-09-14T22:46:01+00:00 Wolfgang Kufner wrote: Yes, this bug is indeed fixed. :-) I checked with fresh packages from ubuntu xorg-edgers ppa: mesa (7.7.0~git20090914.d3f5a2e5-0ubuntu0tormod) * Checkout from git 20090914 (master branch) up to commit d3f5a2e5ab413ec0dab1efa8135705e5312d361d Reply at: https://bugs.launchpad.net/mesa/+bug/427712/comments/21 ** Changed in: mesa Importance: Unknown => Medium -- [i965] xorg-edgers regression: blender-bin crashed with SIGSEGV in _swrast_ReadPixels() https://bugs.launchpad.net/bugs/427712 You received this bug notification because you are a member of Registry Administrators, which is the registrant for Mesa. _______________________________________________ Mailing list: https://launchpad.net/~registry Post to : [email protected] Unsubscribe : https://launchpad.net/~registry More help : https://help.launchpad.net/ListHelp
