[Nouveau] [Bug 64774] nouveau GF108 kernel crash in optimus mode when enabling external display output

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=64774

--- Comment #4 from Pasi Kärkkäinen <pasik at iki.fi> ---

Ok, here goes:

Reading symbols from
/usr/lib/modules/3.8.11-200.fc18.x86_64/kernel/drivers/gpu/drm/nouveau/nouveau.ko...(no
debugging symbols found)...done.
Missing separate debuginfos, use: debuginfo-install
kernel-3.8.11-200.fc18.x86_64

(gdb) disassemble nvc0_vm_map_sg
Dump of assembler code for function nvc0_vm_map_sg:
   0x0000000000023b20 <+0>:    callq  0x23b25 <nvc0_vm_map_sg+5>
   0x0000000000023b25 <+5>:    push   %rbp
   0x0000000000023b26 <+6>:    mov    %rsp,%rbp
   0x0000000000023b29 <+9>:    push   %r15
   0x0000000000023b2b <+11>:    push   %r14
   0x0000000000023b2d <+13>:    push   %r13
   0x0000000000023b2f <+15>:    mov    %rsi,%r13
   0x0000000000023b32 <+18>:    push   %r12
   0x0000000000023b34 <+20>:    push   %rbx
   0x0000000000023b35 <+21>:    lea    0x0(,%rcx,8),%ebx
   0x0000000000023b3c <+28>:    sub    $0x38,%rsp
   0x0000000000023b40 <+32>:    mov    0x30(%rdi),%esi
   0x0000000000023b43 <+35>:    mov    %rdx,-0x40(%rbp)
   0x0000000000023b47 <+39>:    mov    %rdi,-0x38(%rbp)
   0x0000000000023b4b <+43>:    mov    %r9,-0x48(%rbp)
   0x0000000000023b4f <+47>:    lea    -0x1(%r8),%edx
   0x0000000000023b53 <+51>:    mov    %esi,%eax
   0x0000000000023b55 <+53>:    and    $0x10,%eax
   0x0000000000023b58 <+56>:    cmp    $0x1,%eax
   0x0000000000023b5b <+59>:    sbb    %eax,%eax
   0x0000000000023b5d <+61>:    and    $0xfffffffe,%eax
   0x0000000000023b60 <+64>:    add    $0x7,%eax

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