Hi,
ever since I upgraded my system to kernel version 4.15.12 I'm
experiencing a kind of interesting problem with my laptop's graphics output.
The system is a Dell Latitude E6400 with Intel GM45 graphics. Kernel
version is 4.15.12, X.org driver is xf86-video-intel-2.99.917.812, X.org
server is xorg-server-1.19.6
Output of `lspci -v`:
00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series
Chipset Integrated Graphics Controller (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Dell Device 0233
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at f6c00000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at ef98 [size=8]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: [90] MSI: Enable- Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 3
Kernel driver in use: i915
Kernel modules: i915
Problem description:
Whenever the laptop's lid is closed and opened the lower part of the
graphics output is rapidly flickering between (corrupted) scanout
buffers, with the expected output appearing intermittently inbetween. If
running X.org there's distinct horizontal tear between where the
graphics output is in order and below which it's corrupted. The vertical
position coincides and follows the top boundary of the cursor. Switching
the VT between graphics mode to text and back to graphics restores the
graphics output into a sane state.
However the graphics returns to a sane state only after switching back
to graphics. While in fbcon "text" mode it remains corrupted.
This behavior happens consistently and reproducibly regardless of power
management or ACPI daemons in user space. Putting the system into
single-user mode, terminating all daemons (including udev and other
hardware management stuff) still allows to reproduce the behavior.
Interestingly enough when closing the lid a completely unrelated
subsystem produced kernel messages: The PC-Card / PCMCIA / yenta_cardbus
subsystem, emits these messages when the laptop lid is closed and opened
yenta_cardbus 0000:03:01.0: CardBus bridge to [bus 04]
yenta_cardbus 0000:03:01.0: bridge window [io 0x5000-0x50ff]
yenta_cardbus 0000:03:01.0: bridge window [io 0x5400-0x54ff]
yenta_cardbus 0000:03:01.0: bridge window [mem 0xf0c00000-0xf0ffffff]
yenta_cardbus 0000:03:01.0: bridge window [mem 0xf1000000-0xf13fffff]
yenta_cardbus 0000:03:01.0: CardBus bridge to [bus 04]
yenta_cardbus 0000:03:01.0: bridge window [io 0x5000-0x50ff]
yenta_cardbus 0000:03:01.0: bridge window [io 0x5400-0x54ff]
yenta_cardbus 0000:03:01.0: bridge window [mem 0xf0c00000-0xf0ffffff]
yenta_cardbus 0000:03:01.0: bridge window [mem 0xf1000000-0xf13fffff]
I'm really puzzled by these messages, I don't see how the lid is in any
way related to this subsystem.
After that the graphics output is corrupted, but no further kernel
messages produced. However after switching from graphics to text mode
and back (and only after having switched back) the following messages
are logged; the backtrace is logged exactly twice!
------------[ cut here ]------------
cursor A assertion failure (expected off, current on)
WARNING: CPU: 1 PID: 423 at drivers/gpu/drm/i915/intel_display.c:1247
assert_plane+0x90/0xa0 [i915]
Modules linked in: 8021q garp mrp stp llc ext2 joydev i915
dell_smbios_wmi dell_smm_hwmon dell_wmi i2c_algo_bit iTCO_wdt gpio_ich
iTCO_vendor_support sparse_keymap wmi_bmof dell_rbtn dell_wmi_descriptor
uvcvideo videobuf2_vmalloc videobuf2_memops drm_kms_helper dell_laptop
dell_smbios_smm dell_smbios dcdbas videobuf2_v4l2 coretemp hwmon
videobuf2_core input_leds psmouse evdev pcspkr mac_hid videodev
yenta_socket usbkbd media usbmouse pcmcia_rsrc i2c_i801 drm pcmcia_core
lpc_ich snd_hda_codec_hdmi intel_agp intel_gtt shpchp agpgart
syscopyarea sysfillrect sysimgblt fb_sys_fops snd_hda_intel wmi thermal
button battery video ac acpi_cpufreq kvm_intel kvm irqbypass
snd_hda_codec_idt snd_hda_codec_generic snd_hda_codec snd_hda_core
snd_hwdep snd_pcm ctr ccm arc4 iwldvm iwlwifi mac80211 cfg80211
snd_seq snd_seq_device snd_timer snd soundcore vhost_vsock
vmw_vsock_virtio_transport_common vsock vhost_net vhost tap uhid
hci_vhci bluetooth ecdh_generic rfkill vfio_iommu_type1 vfio dm_mod
uinput userio ppp_generic slhc tun loop crc32c_generic btrfs xor
zstd_compress raid6_pq zstd_decompress xxhash cuse fuse ext4 crc16
mbcache jbd2 sd_mod sr_mod cdrom hid_generic usbhid hid uhci_hcd ahci
serio_raw libahci sdhci_pci libata firewire_ohci ehci_pci sdhci ehci_hcd
scsi_mod firewire_core mmc_core crc_itu_t usbcore
CPU: 1 PID: 423 Comm: Xorg Not tainted 4.15.12_1 #1
Hardware name: Dell Inc. Latitude E6400 /0W620R, BIOS
A25 06/04/2010
RIP: 0010:assert_plane+0x90/0xa0 [i915]
RSP: 0018:ffffb092c124f7a8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff9add52e24400 RCX: 0000000000000035
RDX: 0000000000000001 RSI: 0000000000000002 RDI: 0000000000000292
RBP: 0000000000000000 R08: 000000535d8c721a R09: 0000000000000035
R10: ffff9add52e27000 R11: 0000000000000000 R12: ffff9add54c3bcb0
R13: ffff9add47bcdc00 R14: ffff9add47bcdc28 R15: ffff9add47bcdc30
FS: 00007f47b9c5d8c0(0000) GS:ffff9add5fd00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff90269fc0 CR3: 0000000215352000 CR4: 00000000000406e0
Call Trace:
assert_planes_disabled.isra.59+0x48/0x60 [i915]
intel_disable_pipe+0x52/0x180 [i915]
i9xx_crtc_disable+0x77/0x430 [i915]
? intel_pre_plane_update+0xdf/0x150 [i915]
intel_atomic_commit_tail+0x7b1/0xd10 [i915]
intel_atomic_commit+0x266/0x2a0 [i915]
restore_fbdev_mode_atomic+0x189/0x1f0 [drm_kms_helper]
drm_fb_helper_restore_fbdev_mode_unlocked.part.25+0x23/0x70
[drm_kms_helper]
drm_fb_helper_set_par+0x3e/0x70 [drm_kms_helper]
intel_fbdev_set_par+0x16/0x60 [i915]
fb_set_var+0x1d0/0x430
fbcon_blank+0x200/0x340
? check_preempt_wakeup+0xe8/0x1b0
do_unblank_screen+0xa3/0x180
complete_change_console+0x54/0xd0
vt_ioctl+0x719/0x11e0
tty_ioctl+0xf3/0x8a0
do_vfs_ioctl+0xa4/0x670
SyS_ioctl+0x74/0x80
do_syscall_64+0x67/0x100
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7f47b7b266a7
RSP: 002b:00007ffeca93af78 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f47b7b266a7
RDX: 0000000000000001 RSI: 0000000000005605 RDI: 000000000000000b
RBP: 0000562d15892254 R08: 0000000000000000 R09: 0000000000000002
R10: 00007ffeca93af2c R11: 0000000000003246 R12: 0000000000000008
R13: 0000562d15892300 R14: 0000562d15892310 R15: 0000562d15892250
Code: ae 9d fd c0 84 c0 48 c7 c2 b1 9d fd c0 48 89 f1 48 c7 c7 a8 b2 fe
c0 48 0f 44 ca 40 84 ed 48 0f 45 d6 48 8b 73 18 e8 30 52 12 cf <0f> 0b
eb 89 66 90 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90
---[ end trace 90a6895611fa5a9b ]---
------------[ cut here ]------------
cursor A assertion failure (expected off, current on)
WARNING: CPU: 0 PID: 423 at drivers/gpu/drm/i915/intel_display.c:1247
assert_plane+0x90/0xa0 [i915]
Modules linked in: 8021q garp mrp stp llc ext2 joydev i915
dell_smbios_wmi dell_smm_hwmon dell_wmi i2c_algo_bit iTCO_wdt gpio_ich
iTCO_vendor_support sparse_keymap wmi_bmof dell_rbtn dell_wmi_descriptor
uvcvideo videobuf2_vmalloc videobuf2_memops drm_kms_helper dell_laptop
dell_smbios_smm dell_smbios dcdbas videobuf2_v4l2 coretemp hwmon
videobuf2_core input_leds psmouse evdev pcspkr mac_hid videodev
yenta_socket usbkbd media usbmouse pcmcia_rsrc i2c_i801 drm pcmcia_core
lpc_ich snd_hda_codec_hdmi intel_agp intel_gtt shpchp agpgart
syscopyarea sysfillrect sysimgblt fb_sys_fops snd_hda_intel wmi thermal
button battery video ac acpi_cpufreq kvm_intel kvm irqbypass
snd_hda_codec_idt snd_hda_codec_generic snd_hda_codec snd_hda_core
snd_hwdep snd_pcm ctr ccm arc4 iwldvm iwlwifi mac80211 cfg80211
snd_seq snd_seq_device snd_timer snd soundcore vhost_vsock
vmw_vsock_virtio_transport_common vsock vhost_net vhost tap uhid
hci_vhci bluetooth ecdh_generic rfkill vfio_iommu_type1 vfio dm_mod
uinput userio ppp_generic slhc tun loop crc32c_generic btrfs xor
zstd_compress raid6_pq zstd_decompress xxhash cuse fuse ext4 crc16
mbcache jbd2 sd_mod sr_mod cdrom hid_generic usbhid hid uhci_hcd ahci
serio_raw libahci sdhci_pci libata firewire_ohci ehci_pci sdhci ehci_hcd
scsi_mod firewire_core mmc_core crc_itu_t usbcore
CPU: 0 PID: 423 Comm: Xorg Tainted: G W 4.15.12_1 #1
Hardware name: Dell Inc. Latitude E6400 /0W620R, BIOS
A25 06/04/2010
RIP: 0010:assert_plane+0x90/0xa0 [i915]
RSP: 0018:ffffb092c124f738 EFLAGS: 00010282
RAX: 0000000000000000 RBX: ffff9add52e24400 RCX: 0000000000000035
RDX: 0000000000000001 RSI: 0000000000000002 RDI: 0000000000000292
RBP: 0000000000000000 R08: 000000535e0f6067 R09: 0000000000000035
R10: ffffb092c124f638 R11: 0000000000000000 R12: ffff9add54c3bcb0
R13: 0000000000000000 R14: ffff9add556e2000 R15: ffff9add52e28000
FS: 00007f47b9c5d8c0(0000) GS:ffff9add5fc00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005638821db760 CR3: 0000000215352000 CR4: 00000000000406f0
Call Trace:
assert_planes_disabled.isra.59+0x48/0x60 [i915]
intel_enable_pipe+0x52/0x200 [i915]
i9xx_crtc_enable+0x352/0x480 [i915]
intel_update_crtc+0x39/0x90 [i915]
intel_update_crtcs+0x47/0x60 [i915]
intel_atomic_commit_tail+0x212/0xd10 [i915]
intel_atomic_commit+0x266/0x2a0 [i915]
restore_fbdev_mode_atomic+0x189/0x1f0 [drm_kms_helper]
drm_fb_helper_restore_fbdev_mode_unlocked.part.25+0x23/0x70
[drm_kms_helper]
drm_fb_helper_set_par+0x3e/0x70 [drm_kms_helper]
intel_fbdev_set_par+0x16/0x60 [i915]
fb_set_var+0x1d0/0x430
fbcon_blank+0x200/0x340
? check_preempt_wakeup+0xe8/0x1b0
do_unblank_screen+0xa3/0x180
complete_change_console+0x54/0xd0
vt_ioctl+0x719/0x11e0
tty_ioctl+0xf3/0x8a0
do_vfs_ioctl+0xa4/0x670
SyS_ioctl+0x74/0x80
do_syscall_64+0x67/0x100
entry_SYSCALL_64_after_hwframe+0x3d/0xa2
RIP: 0033:0x7f47b7b266a7
RSP: 002b:00007ffeca93af78 EFLAGS: 00003246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f47b7b266a7
RDX: 0000000000000001 RSI: 0000000000005605 RDI: 000000000000000b
RBP: 0000562d15892254 R08: 0000000000000000 R09: 0000000000000002
R10: 00007ffeca93af2c R11: 0000000000003246 R12: 0000000000000008
R13: 0000562d15892300 R14: 0000562d15892310 R15: 0000562d15892250
Code: ae 9d fd c0 84 c0 48 c7 c2 b1 9d fd c0 48 89 f1 48 c7 c7 a8 b2 fe
c0 48 0f 44 ca 40 84 ed 48 0f 45 d6 48 8b 73 18 e8 30 52 12 cf <0f> 0b
eb 89 66 90 66 2e 0f 1f 84 00 00 00 00 00 66 66 66 66 90
---[ end trace 90a6895611fa5a9c ]---
[drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO
underrun
dell_wmi: Unknown key with type 0x0011 and code 0xffd1 pressed
So far I haven't tested if this streches over more than one CRTCs, but I
can check.
Cheers,
Wolfgang
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