[Nouveau] [Bug 98506] Pagefault in gf100_vm_flush

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=98506

--- Comment #1 from Ilia Mirkin <imirkin at alum.mit.edu> ---
Karol, can you load up nouveau.ko and run "disassemble gf100_vm_flush" (to
completion) and include that?

All code
========
   0:   38 e1                   cmp    %ah,%cl
   2:   a9 00 00 ff 00          test   $0xff0000,%eax
   7:   74 cb                   je     0xffffffffffffffd4
   9:   48 81 fb ff 93 35 77    cmp    $0x773593ff,%rbx
  10:   0f 87 ae 00 00 00       ja     0xc4
  16:   49 8b 84 24 80 00 00    mov    0x80(%r12),%rax
  1d:   00 
  1e:   31 db                   xor    %ebx,%ebx
  20:   48 8d b0 b8 0c 10 00    lea    0x100cb8(%rax),%rsi
  27:   49 8b 46 10             mov    0x10(%r14),%rax
  2b:*  48 8b b8 90 00 00 00    mov    0x90(%rax),%rdi          <-- trapping
instruction
  32:   48 c1 ef 08             shr    $0x8,%rdi
  36:   e8 68 6f 38 e1          callq  0xffffffffe1386fa3
  3b:   49                      rex.WB
  3c:   8b                      .byte 0x8b
  3d:   84 24 80                test   %ah,(%rax,%rax,4)

Code starting with the faulting instruction
===========================================
   0:   48 8b b8 90 00 00 00    mov    0x90(%rax),%rdi
   7:   48 c1 ef 08             shr    $0x8,%rdi
   b:   e8 68 6f 38 e1          callq  0xffffffffe1386f78
  10:   49                      rex.WB
  11:   8b                      .byte 0x8b
  12:   84 24 80                test   %ah,(%rax,%rax,4)

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