WARNING: at arch/x86/kernel/cpu/mtrr/cleanup.c:978 mtrr_trim_uncached_memory+0x2c4/0x304

Type:
WARN_ON statement
Class:
warn
Kernel version:
4.12.6
Architecture:
x86_64
Distribution:
Debian
Hardware:
Viglen DQ965GF/DQ965GF, BIOS CO96510J.86A.5869.2007.0327.0132 03/27/2007
Guilty info:
  • File: arch/x86/kernel/cpu/mtrr/cleanup.c
  • Function: mtrr_trim_uncached_memory
Registers:
  • RIP: 0010
  • RSP: 0000
  • EFLAGS: 00010046
  • _RAX: 0000000000000000
  • RAX: 000000000000004b
  • RBX: 0000000004000000
  • RCX: ffffffff8d24b548
  • RDX: 0000000000000000
  • RSI: 0000000000000096
  • RDI: 0000000000000083
  • RBP: 0000000000000001
  • R08: 0000000000000001
  • R09: 000000000000002c
  • R11: 000000000000002c
  • R12: 000000000022c000
  • R14: 0000000000000008
  • R15: ffffffff8d406100
  • GS: ffffffff8d32d000(0000)
  • knlGS: 0000000000000000
  • DS: 0000
  • ES: 0000
  • CR0: 0000000080050033
  • CR2: ffff880040fabff8
  • CR3: 0000000040fab000
  • CR4: 00000000000006a0
Dissassembled code:
  • Code: f2 ff ff 48 01 c3 48 85 db 0f 84 87 fd ff ff 48 89 de 48 c7 c7 80 42 fe 8c 48 c1 ee 14 e8 eb 6d 42 ff 83 3d 4e 77 0a 00 00 75 02 ff 48 c7 c7 08 08 ff 8c 41 bd 01 00 00 00 e8 ce 6d 42 ff e8
  • All code
  • ========
  • 0: f2 ff repnz (bad)
  • 2: ff 48 01 decl 0x1(%rax)
  • 5: c3 retq
  • 6: 48 85 db test %rbx,%rbx
  • 9: 0f 84 87 fd ff ff je 0xfffffffffffffd96
  • f: 48 89 de mov %rbx,%rsi
  • 12: 48 c7 c7 80 42 fe 8c mov $0xffffffff8cfe4280,%rdi
  • 19: 48 c1 ee 14 shr $0x14,%rsi
  • 1d: e8 eb 6d 42 ff callq 0xffffffffff426e0d
  • 22: 83 3d 4e 77 0a 00 00 cmpl $0x0,0xa774e(%rip) # 0xa7777
  • 29: 75 02 jne 0x2d
  • 2b:* 0f ff (bad) <-- trapping instruction
  • 2d: 48 c7 c7 08 08 ff 8c mov $0xffffffff8cff0808,%rdi
  • 34: 41 bd 01 00 00 00 mov $0x1,%r13d
  • 3a: e8 ce 6d 42 ff callq 0xffffffffff426e0d
  • 3f: e8 .byte 0xe8
  • Code starting with the faulting instruction
  • ===========================================
  • 0: 0f ff (bad)
  • 2: 48 c7 c7 08 08 ff 8c mov $0xffffffff8cff0808,%rdi
  • 9: 41 bd 01 00 00 00 mov $0x1,%r13d
  • f: e8 ce 6d 42 ff callq 0xffffffffff426de2
  • 14: e8 .byte 0xe8
Last seen similar oops:
2017-09-20
Total count:
89 (from 1 unique sources)

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