WARNING: at drivers/gpu/drm/i915/intel_panel.c:771 vlv_disable_backlight+0x7d/0x90 [i915]

Type:
WARN_ON statement
Class:
warn
Kernel version:
4.12.6
Architecture:
x86_64
Distribution:
Debian
Hardware:
HP HP 15 Notebook PC /233F, BIOS F.23 08/05/2015
Guilty info:
  • Module: i915
  • File: drivers/gpu/drm/i915/intel_panel.c
  • Function: vlv_disable_backlight
  • Driver: drm
Registers:
  • PID: 21
  • RIP: 0010
  • RSP: 0018
  • EFLAGS: 00010282
  • RAX: 0000000000000029
  • RBX: ffff9165f9a90000
  • RCX: ffffffffbce4b548
  • RDX: 0000000000000000
  • RSI: 0000000000000096
  • RDI: 0000000000000287
  • RBP: ffff9165f9a92fd0
  • R08: 0000000000000029
  • R09: 00000000000002db
  • R11: 0000000000000db6
  • R12: ffff9165f6d40800
  • R14: ffff9165d89d2000
  • R15: ffff9165f6d4a000
  • GS: ffff9165ffc80000(0000)
  • knlGS: 0000000000000000
  • DS: 0000
  • ES: 0000
  • CR0: 0000000080050033
  • CR2: 00007f11d24e14f0
  • CR3: 0000000133c09000
  • CR4: 00000000001006e0
Dissassembled code:
  • Code: 01 00 00 00 8d b4 15 50 12 06 00 89 c2 ff 93 f8 06 00 00 5b 5d 41 5c c3 48 c7 c6 70 ce 64 c0 48 c7 c7 04 68 63 c0 e8 69 b3 d7 fb ff 5b 5d 41 5c c3 66 90 66 2e 0f 1f 84 00 00 00 00 00 0f 1f
  • All code
  • ========
  • 0: 01 00 add %eax,(%rax)
  • 2: 00 00 add %al,(%rax)
  • 4: 8d b4 15 50 12 06 00 lea 0x61250(%rbp,%rdx,1),%esi
  • b: 89 c2 mov %eax,%edx
  • d: ff 93 f8 06 00 00 callq *0x6f8(%rbx)
  • 13: 5b pop %rbx
  • 14: 5d pop %rbp
  • 15: 41 5c pop %r12
  • 17: c3 retq
  • 18: 48 c7 c6 70 ce 64 c0 mov $0xffffffffc064ce70,%rsi
  • 1f: 48 c7 c7 04 68 63 c0 mov $0xffffffffc0636804,%rdi
  • 26: e8 69 b3 d7 fb callq 0xfffffffffbd7b394
  • 2b:* 0f ff (bad) <-- trapping instruction
  • 2d: 5b pop %rbx
  • 2e: 5d pop %rbp
  • 2f: 41 5c pop %r12
  • 31: c3 retq
  • 32: 66 90 xchg %ax,%ax
  • 34: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
  • 3b: 00 00 00
  • 3e: 0f .byte 0xf
  • 3f: 1f (bad)
  • Code starting with the faulting instruction
  • ===========================================
  • 0: 0f ff (bad)
  • 2: 5b pop %rbx
  • 3: 5d pop %rbp
  • 4: 41 5c pop %r12
  • 6: c3 retq
  • 7: 66 90 xchg %ax,%ax
  • 9: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
  • 10: 00 00 00
  • 13: 0f .byte 0xf
  • 14: 1f (bad)
Linked modules:

ppdev, parport_pc, ctr, ccm, fuse, vmw_vsock_vmci_transport, vmw_vmci, binfmt_misc, nls_ascii, nls_cp437, vfat, uvcvideo, videobuf2_vmalloc, videobuf2_memops, videobuf2_v4l2, videobuf2_core, videodev, intel_rapl, media, hid_multitouch, hp_wmi, intel_soc_dts_thermal, intel_soc_dts_iosf, intel_powerclamp, iTCO_wdt, snd_hda_codec_hdmi, iTCO_vendor_support, sparse_keymap, coretemp, snd_hda_codec_realtek, snd_hda_codec_generic, kvm_intel, irqbypass, snd_intel_sst_acpi, pcspkr, intel_cstate, snd_soc_rt5670, arc4, snd_hda_intel, snd_intel_sst_core, snd_soc_rt5645, joydev, snd_soc_sst_atom_hifi2_platform, snd_soc_rt5640, evdev, serio_raw, ath9k, ath9k_common, efi_pstore, ath9k_hw, efivars, mac80211, cfg80211, hci_uart, btbcm, snd_soc_rl6231, btqca, rtsx_pci_ms, memstick, snd_soc_sst_match, snd_soc_core

Last seen similar oops:
2017-09-12
Total count:
12 (from 3 unique sources)

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