[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1928842
Title:
External monitor connected via USB-C not running at native resolution
Status in linux package in Ubuntu:
Expired
Bug description:
I am using a Dell SP2309W connected via HDMI to a Plugable UD-CA1A
docking station. The docking station is connected to my System76 Lemur
pro (lemp9) via USB-C. The highest resolution the external monitor can
run on is 1920x1080i and its native resolution of 2048x1152 is not
detected. The system journal contains backtraces indicating a failure
in the i915 kernel module:
May 14 18:17:13 rubberducky kernel: ------------[ cut here ]------------
May 14 18:17:13 rubberducky kernel: i915 0000:00:02.0:
drm_WARN_ON(!intel_dp->num_source_rates || !intel_dp->num_sink_rates)
May 14 18:17:13 rubberducky kernel: WARNING: CPU: 2 PID: 126 at
drivers/gpu/drm/i915/display/intel_dp.c:417 intel_dp_set_common_rates+0x4f/0xe0
[i915]
May 14 18:17:13 rubberducky kernel: Modules linked in: uas usb_storage
hid_generic i915 i2c_algo_bit rtsx_pci_sdmmc drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops nvme cec crct10dif_pclmul crc32_pclmul
rc_core ghash_clmulni_intel i2c_i801 intel_lpss_pci intel_lpss aesni_intel
idma64 xhci_pci crypto_simd i2c_hid cryptd glue_helper psmouse drm nvme_core
i2c_smbus rtsx_pci virt_dma xhci_pci_renesas hid pinctrl_cannonlake video
system76_acpi(OE)
May 14 18:17:13 rubberducky kernel: CPU: 2 PID: 126 Comm: kworker/u16:1
Tainted: G OE 5.11.0-16-generic #17-Ubuntu
May 14 18:17:13 rubberducky kernel: Hardware name: System76 Lemur Pro/Lemur
Pro, BIOS 2021-03-11_50eedc2 03/11/2021
May 14 18:17:13 rubberducky kernel: Workqueue: events_unbound
async_run_entry_fn
May 14 18:17:13 rubberducky kernel: RIP:
0010:intel_dp_set_common_rates+0x4f/0xe0 [i915]
May 14 18:17:13 rubberducky kernel: Code: 8b 6f 50 4d 85 ed 0f 84 9d 00 00 00
e8 3a 25 f2 db 48 c7 c1 30 70 95 c0 4c 89 ea 48 c7 c7 9a 0c 97 c0 48 89 c6 e8
6e 52 33 dc <0f> 0b 8b 4b 78 8b 73 68 48 8b 7b 70 48 8d 53 7c 4c 8d 83 a4 00 00
May 14 18:17:13 rubberducky kernel: RSP: 0018:ffffb4a84029bba0 EFLAGS:
00010286
May 14 18:17:13 rubberducky kernel: RAX: 0000000000000000 RBX:
ffff964dc3527140 RCX: ffffffff9dd234c8
May 14 18:17:13 rubberducky kernel: RDX: c0000000ffffdfff RSI:
0000000000000000 RDI: 0000000000000247
May 14 18:17:13 rubberducky kernel: RBP: ffffb4a84029bbb8 R08:
0000000000000000 R09: ffffb4a84029b980
May 14 18:17:13 rubberducky kernel: R10: ffffb4a84029b978 R11:
ffffffff9dd53508 R12: ffff964dd7b60000
May 14 18:17:13 rubberducky kernel: R13: ffff964dc182da40 R14:
ffff964dc3527140 R15: 0000000000000001
May 14 18:17:13 rubberducky kernel: FS: 0000000000000000(0000)
GS:ffff9656f6480000(0000) knlGS:0000000000000000
May 14 18:17:13 rubberducky kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
May 14 18:17:13 rubberducky kernel: CR2: 00005629c4c4d0e0 CR3:
0000000115a34006 CR4: 00000000003706e0
May 14 18:17:13 rubberducky kernel: Call Trace:
May 14 18:17:13 rubberducky kernel: intel_dp_get_dpcd+0xb5/0xd0 [i915]
May 14 18:17:13 rubberducky kernel: intel_dp_detect_dpcd+0x37/0x150 [i915]
May 14 18:17:13 rubberducky kernel: intel_dp_detect+0x339/0x440 [i915]
May 14 18:17:13 rubberducky kernel: ? ww_mutex_lock+0x83/0x90
May 14 18:17:13 rubberducky kernel: drm_helper_probe_detect+0x4e/0xb0
[drm_kms_helper]
May 14 18:17:13 rubberducky kernel:
drm_helper_probe_single_connector_modes+0x43d/0x5c0 [drm_kms_helper]
May 14 18:17:13 rubberducky kernel: ? _cond_resched+0x1a/0x50
May 14 18:17:13 rubberducky kernel: drm_client_modeset_probe+0x1d6/0x4d0
[drm]
May 14 18:17:13 rubberducky kernel:
__drm_fb_helper_initial_config_and_unlock+0x36/0xd0 [drm_kms_helper]
May 14 18:17:13 rubberducky kernel: drm_fb_helper_initial_config+0x36/0x40
[drm_kms_helper]
May 14 18:17:13 rubberducky kernel: intel_fbdev_initial_config+0x18/0x40
[i915]
May 14 18:17:13 rubberducky kernel: async_run_entry_fn+0x3c/0x150
May 14 18:17:13 rubberducky kernel: process_one_work+0x220/0x3c0
May 14 18:17:13 rubberducky kernel: worker_thread+0x50/0x370
May 14 18:17:13 rubberducky kernel: kthread+0x12f/0x150
May 14 18:17:13 rubberducky kernel: ? process_one_work+0x3c0/0x3c0
May 14 18:17:13 rubberducky kernel: ? __kthread_bind_mask+0x70/0x70
May 14 18:17:13 rubberducky kernel: ret_from_fork+0x1f/0x30
May 14 18:17:13 rubberducky kernel: ---[ end trace 0a58b4d9a80e1b0f ]---
May 14 18:17:13 rubberducky kernel: ------------[ cut here ]------------
and
May 14 18:17:13 rubberducky kernel: ------------[ cut here ]------------
May 14 18:17:13 rubberducky kernel: i915 0000:00:02.0:
drm_WARN_ON(intel_dp->num_common_rates == 0)
May 14 18:17:13 rubberducky kernel: WARNING: CPU: 2 PID: 126 at
drivers/gpu/drm/i915/display/intel_dp.c:427 intel_dp_set_common_rates+0xb4/0xe0
[i915]
May 14 18:17:13 rubberducky kernel: Modules linked in: uas usb_storage
hid_generic i915 i2c_algo_bit rtsx_pci_sdmmc drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops nvme cec crct10dif_pclmul crc32_pclmul
rc_core ghash_clmulni_intel i2c_i801 intel_lpss_pci intel_lpss aesni_intel
idma64 xhci_pci crypto_simd i2c_hid cryptd glue_helper psmouse drm nvme_core
i2c_smbus rtsx_pci virt_dma xhci_pci_renesas hid pinctrl_cannonlake video
system76_acpi(OE)
May 14 18:17:13 rubberducky kernel: CPU: 2 PID: 126 Comm: kworker/u16:1
Tainted: G W OE 5.11.0-16-generic #17-Ubuntu
May 14 18:17:13 rubberducky kernel: Hardware name: System76 Lemur Pro/Lemur
Pro, BIOS 2021-03-11_50eedc2 03/11/2021
May 14 18:17:13 rubberducky kernel: Workqueue: events_unbound
async_run_entry_fn
May 14 18:17:13 rubberducky kernel: RIP:
0010:intel_dp_set_common_rates+0xb4/0xe0 [i915]
May 14 18:17:13 rubberducky kernel: Code: 4c 8b 67 50 4d 85 e4 75 03 4c 8b 27
e8 d5 24 f2 db 48 c7 c1 78 70 95 c0 4c 89 e2 48 c7 c7 9a 0c 97 c0 48 89 c6 e8
09 52 33 dc <0f> 0b 48 b8 01 00 00 00 d0 78 02 00 48 89 83 a0 00 00 00 5b 41 5c
May 14 18:17:13 rubberducky kernel: RSP: 0018:ffffb4a84029bba0 EFLAGS:
00010286
May 14 18:17:13 rubberducky kernel: RAX: 0000000000000000 RBX:
ffff964dc3527140 RCX: ffffffff9dd234c8
May 14 18:17:13 rubberducky kernel: RDX: c0000000ffffdfff RSI:
0000000000000000 RDI: 0000000000000247
May 14 18:17:13 rubberducky kernel: RBP: ffffb4a84029bbb8 R08:
0000000000000000 R09: ffffb4a84029b980
May 14 18:17:13 rubberducky kernel: R10: ffffb4a84029b978 R11:
ffffffff9dd53508 R12: ffff964dc182da40
May 14 18:17:13 rubberducky kernel: R13: ffff964dc182da40 R14:
ffff964dc3527140 R15: 0000000000000001
May 14 18:17:13 rubberducky kernel: FS: 0000000000000000(0000)
GS:ffff9656f6480000(0000) knlGS:0000000000000000
May 14 18:17:13 rubberducky kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
May 14 18:17:13 rubberducky kernel: CR2: 00005629c4c4d0e0 CR3:
0000000115a34006 CR4: 00000000003706e0
May 14 18:17:13 rubberducky kernel: Call Trace:
May 14 18:17:13 rubberducky kernel: intel_dp_get_dpcd+0xb5/0xd0 [i915]
May 14 18:17:13 rubberducky kernel: intel_dp_detect_dpcd+0x37/0x150 [i915]
May 14 18:17:13 rubberducky kernel: intel_dp_detect+0x339/0x440 [i915]
May 14 18:17:13 rubberducky kernel: ? ww_mutex_lock+0x83/0x90
May 14 18:17:13 rubberducky kernel: drm_helper_probe_detect+0x4e/0xb0
[drm_kms_helper]
May 14 18:17:13 rubberducky kernel:
drm_helper_probe_single_connector_modes+0x43d/0x5c0 [drm_kms_helper]
May 14 18:17:13 rubberducky kernel: ? _cond_resched+0x1a/0x50
May 14 18:17:13 rubberducky kernel: drm_client_modeset_probe+0x1d6/0x4d0
[drm]
May 14 18:17:13 rubberducky kernel:
__drm_fb_helper_initial_config_and_unlock+0x36/0xd0 [drm_kms_helper]
May 14 18:17:13 rubberducky kernel: drm_fb_helper_initial_config+0x36/0x40
[drm_kms_helper]
May 14 18:17:13 rubberducky kernel: intel_fbdev_initial_config+0x18/0x40
[i915]
May 14 18:17:13 rubberducky kernel: async_run_entry_fn+0x3c/0x150
May 14 18:17:13 rubberducky kernel: process_one_work+0x220/0x3c0
May 14 18:17:13 rubberducky kernel: worker_thread+0x50/0x370
May 14 18:17:13 rubberducky kernel: kthread+0x12f/0x150
May 14 18:17:13 rubberducky kernel: ? process_one_work+0x3c0/0x3c0
May 14 18:17:13 rubberducky kernel: ? __kthread_bind_mask+0x70/0x70
May 14 18:17:13 rubberducky kernel: ret_from_fork+0x1f/0x30
May 14 18:17:13 rubberducky kernel: ---[ end trace 0a58b4d9a80e1b10 ]---
May 14 18:17:13 rubberducky kernel: usb 2-2.3: new SuperSpeed Gen 1 USB
device number 4 using xhci_hcd
May 14 18:17:13 rubberducky kernel: Registered IR keymap rc-cec
May 14 18:17:13 rubberducky kernel: rc rc0: DP-1 as
/devices/pci0000:00/0000:00:02.0/rc/rc0
May 14 18:17:13 rubberducky kernel: input: DP-1 as
/devices/pci0000:00/0000:00:02.0/rc/rc0/input12
May 14 18:17:13 rubberducky kernel: usb 2-2.3: New USB device found,
idVendor=0835, idProduct=d100, bcdDevice=61.62
May 14 18:17:13 rubberducky kernel: usb 2-2.3: New USB device strings: Mfr=1,
Product=2, SerialNumber=0
May 14 18:17:13 rubberducky kernel: usb 2-2.3: Product: USB3.0 Hub
May 14 18:17:13 rubberducky kernel: usb 2-2.3: Manufacturer: GenesysLogic
May 14 18:17:13 rubberducky kernel: fbcon: i915drmfb (fb0) is primary device
May 14 18:17:13 rubberducky kernel: fbcon: Deferring console take-over
May 14 18:17:13 rubberducky kernel: i915 0000:00:02.0: [drm] fb0: i915drmfb
frame buffer device
May 14 18:17:13 rubberducky kernel: hub 2-2.3:1.0: USB hub found
May 14 18:17:13 rubberducky kernel: hub 2-2.3:1.0: 3 ports detected
May 14 18:17:13 rubberducky kernel: ------------[ cut here ]------------
I am using May 14 18:17:13 rubberducky kernel: Linux version
5.11.0-16-generic (buildd@lgw01-amd64-035) (gcc (Ubuntu
10.3.0-1ubuntu1) 10.3.0, GNU ld (GNU Binutils for Ubuntu) 2.36.1)
#17-Ubuntu SMP Wed Apr 14 20:12:43 UTC 2021 (Ubuntu
5.11.0-16.17-generic 5.11.12)
The mainline 12.4 kernel works as expected and does not show these module
failures. This issue might be related to
https://bugzilla.redhat.com/show_bug.cgi?id=1879442.
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