[Bug 27904] New: r300g segfaults on M56GL

[bugzilla-daemon at freedesktop.org]

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 at lists.freedesktop.org
        ReportedBy: pavel at 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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