[Bug 27904] New: r300g segfaults on M56GL

[Bug 27904] New: r300g segfaults on M56GL

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27904

           Summary: r300g segfaults on M56GL
           Product: Mesa
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/r300
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: pavel@rojtberg.net


current git, linux 2.6.32-21-generic (ubuntu lucid)

Starting program: /usr/bin/glxgears 
[Thread debugging using libthread_db enabled]

Program received signal SIGSEGV, Segmentation fault.
0x004e68e9 in rc_pair_regalloc (c=0xbfffee8c, maxtemps=1)
    at radeon_pair_regalloc.c:347
Line number 347 out of range; radeon_pair_regalloc.c has 280 lines.
(gdb) bt
#0  0x004e68e9 in rc_pair_regalloc (c=0xbfffee8c, maxtemps=1)
    at radeon_pair_regalloc.c:347
#1  0x004e03dd in r3xx_compile_fragment_program (c=0xbfffee8c)
    at r3xx_fragprog.c:159
#2  0x004db6f3 in r300_translate_fragment_shader (r300=<value optimized out>, 
    shader=0x80d0ad8, tokens=0x80ef010) at r300_fs.c:276
#3  0x004dbea7 in r300_pick_fragment_shader (r300=0x8066f08) at r300_fs.c:346
#4  0x004d217f in r300_bind_fs_state (pipe=0x8066f08, shader=0x4e6780)
    at r300_state.c:718
#5  0x00628946 in cso_set_fragment_shader_handle (ctx=0x80e84d8, 
    handle=0x4e6780) at cso_cache/cso_context.c:742
#6  0x005f29e0 in update_fp (st=0x80c3e88)
    at state_tracker/st_atom_shader.c:174
#7  0x005ef9b3 in st_validate_state (st=0x80c3e88)
    at state_tracker/st_atom.c:167
#8  0x005f6859 in st_Clear (ctx=0x8087258, mask=18)
    at state_tracker/st_cb_clear.c:460
#9  0x005a3936 in _mesa_Clear (mask=0) at main/clear.c:178
#10 0x080493d7 in ?? ()
#11 0x0804a762 in ?? ()
#12 0x00305bd6 in __libc_start_main (main=0x804a230, argc=1, 
    ubp_av=0xbffff484, init=0x804ad80, fini=0x804ad70, 
    rtld_fini=0x11e0c0 <_dl_fini>, stack_end=0xbffff47c) at libc-start.c:226

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[Bug 27904] r300g segfaults on M56GL

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27904

--- Comment #1 from Marek Olšák <maraeo@gmail.com> 2010-05-01 16:02:04 PDT ---
Could you please "make realclean" and rebuild the driver? The line numbers from
the backtrace don't make sense, also the "maxtemps" parameter cannot possibly
be 1, it should be either 32 or 128.

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[Bug 27904] r300g segfaults on M56GL

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27904

Pavel Rojtberg <pavel@rojtberg.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |NOTABUG

--- Comment #2 from Pavel Rojtberg <pavel@rojtberg.net> 2010-05-01 16:59:57 PDT ---
thanks, that helped - maybe I should start using scons for building..

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[Bug 27904] r300g segfaults on M56GL

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https://bugs.freedesktop.org/show_bug.cgi?id=27904

--- Comment #3 from Marek Olšák <maraeo@gmail.com> 2010-05-01 17:23:09 PDT ---
Or you may install makedepend to avoid such issues (xutils-dev in deb-based
distros).

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[Bug 27904] r300g segfaults on M56GL

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27904

--- Comment #4 from Pavel Rojtberg <pavel@rojtberg.net> 2010-05-02 02:51:18 PDT ---
I have makedepend installed. Is it called by the makefile automatically or have
I to call it myself?

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[Bug 27904] r300g segfaults on M56GL

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=27904

--- Comment #5 from Marek Olšák <maraeo@gmail.com> 2010-05-02 03:32:25 PDT ---
It's called automatically. I think we shouldn't chat like that in a bug report.
If you have any questions, send me an email.

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