[Bug 94831] The Talos Principle crashes after loading screen (Haswell)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94831

--- Comment #12 from Jacek Konieczny <jajcus at jajcus.net> ---
I have just upgraded kernel to 4.7-rc4, hoping that this will fix graphics in
The Talos Principle… and instead of textures fixed fixed, the
anv_cmd_buffer_push_constants crash is back:


Program terminated with signal SIGSEGV, Segmentation fault.
#0  anv_cmd_buffer_push_constants (cmd_buffer=cmd_buffer at entry=0x51bb5c0, 
    stage=stage at entry=MESA_SHADER_VERTEX) at anv_cmd_buffer.c:1053
1053          u32_map[i] = *(uint32_t *)((uint8_t *)data + offset);
[Current thread is 1 (Thread 0x7f386df06900 (LWP 2812))]
(gdb) print prog_data
$1 = (const struct brw_stage_prog_data *) 0x7f385c827668
(gdb) print prog_data->nr_params
$2 = 4
(gdb) print prog_data->param
$3 = (const union gl_constant_value **) 0x4329cc0
(gdb) print i
$4 = 1
(gdb) print prog_data->param[0]
Cannot access memory at address 0x4329cc0
(gdb) print prog_data->param[1]
Cannot access memory at address 0x4329cc8
(gdb) bt
#0  anv_cmd_buffer_push_constants (cmd_buffer=cmd_buffer at entry=0x51bb5c0, 
    stage=stage at entry=MESA_SHADER_VERTEX) at anv_cmd_buffer.c:1053
#1  0x00007f385d3e23d1 in cmd_buffer_flush_push_constants (
    cmd_buffer=0x51bb5c0) at genX_cmd_buffer.c:382
#2  gen75_cmd_buffer_flush_state (cmd_buffer=cmd_buffer at entry=0x51bb5c0)
    at genX_cmd_buffer.c:521
#3  0x00007f385d3e362c in gen75_CmdDrawIndexed (commandBuffer=0x51bb5c0, 
    indexCount=6, instanceCount=1, firstIndex=0, vertexOffset=0, 
    firstInstance=0) at genX_cmd_buffer.c:625
#4  0x0000000001ae846c in ?? ()
#5  0x00000000016dd0cc in ?? ()
#6  0x00000000016ddfd7 in ?? ()
#7  0x00000000016df217 in ?? ()
#8  0x000000000177c4c0 in ?? ()
#9  0x000000000091ff9c in ?? ()
#10 0x0000000000921065 in ?? ()
#11 0x00000000008f67db in ?? ()
#12 0x00000000008f896f in ?? ()
#13 0x000000000147107a in ?? ()
#14 0x000000000191a0f2 in ?? ()
#15 0x000000000191a3d4 in ?? ()
#16 0x00007f386ce4a7a0 in __libc_start_main () from /lib64/libc.so.6
#17 0x00000000008e436f in ?? ()

kernel 4.7-rc4
Mesa 12.0.0-rc4

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