Public bug reported:
When I connected the ThinkVision 24i monitor, I found below issue.
Message from syslogd@u-ThinkPad-L14-Gen-3 at Aug 12 17:12:20 ...
kernel:[ 77.803763] watchdog: BUG: soft lockup - CPU#0 stuck for 50s!
[Xorg:1829]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: watchdog: BUG: soft lockup - CPU#0
stuck for 50s! [Xorg:1829]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Modules linked in: rfcomm ccm cmac
algif_hash algif_skcipher af_alg bnep nls_iso8859_1 intel_rapl_msr
intel_rapl_common edac_mce_amd kvm_amd kvm snd_ctl_led crct10dif_pclmul
ghash_clmulni_intel snd_hda_codec_realtek aesni_intel mt7921e
snd_hda_codec_generic btusb btrtl crypto_simd uvcvideo mt76_connac_lib cryptd
btbcm mt76 rapl videobuf2_vmalloc btintel videobuf2_memops snd_hda_codec_hdmi
bluetooth videobuf2_v4l2 snd_hda_intel mac80211 snd_intel_dspcfg
videobuf2_common snd_intel_sdw_acpi snd_hda_codec input_leds videodev
snd_seq_midi snd_seq_midi_event snd_hda_core thinkpad_acpi ecdh_generic
serio_raw mc ecc snd_pci_acp6x snd_hwdep efi_pstore snd_rawmidi nvram
platform_profile snd_pcm snd_seq cfg80211 think_lmi wmi_bmof
firmware_attributes_class ledtrig_audio ccp snd_rn_pci_acp3x libarc4
snd_pci_acp3x snd_seq_device snd_timer ucsi_acpi typec_ucsi typec snd soundcore
amd_pmc mac_hid sch_fq_codel ipmi_devintf ipmi_msghandler msr parport_pc ppdev
lp parport ip_tables x_tables
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: autofs4 btrfs blake2b_generic
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor
async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear amdgpu iommu_v2
gpu_sched i2c_algo_bit drm_ttm_helper ttm drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops cec rc_core crc32_pclmul psmouse drm
sdhci_pci nvme cqhci xhci_pci i2c_piix4 r8169 xhci_pci_renesas sdhci nvme_core
realtek wmi video
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CPU: 0 PID: 1829 Comm: Xorg
Tainted: G L 5.14.0-1048-oem #55-Ubuntu
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Hardware name: LENOVO
4810PZ0100/4810PZ0100, BIOS R1YET32W (1.09 ) 05/13/2022
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RIP:
0010:amdgpu_device_rreg.part.0+0x40/0xe0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Code: 54 41 89 f4 53 48 89 fb 4c 3b
af b0 08 00 00 73 1b 83 e2 02 75 09 f6 87 80 64 01 00 10 75 6f 4c 03 ab b8 08
00 00 45 8b 6d 00 <eb> 12 4c 89 ee 48 8b 87 f8 08 00 00 e8 9f bc db f9 41 89 c5
66 90
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RSP: 0018:ffffbea7c2d6b3e8 EFLAGS:
00000282
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RAX: ffffffffc07b6150 RBX:
ffff9ab39d000000 RCX: 0000000000000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RDX: 0000000000000000 RSI:
0000000000006741 RDI: ffff9ab39d000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RBP: ffffbea7c2d6b408 R08:
ffff9ab39d000000 R09: 0000000000001140
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: R10: 0000000000000000 R11:
ffff9ab389c9c400 R12: 0000000000006741
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: R13: 00000000ffffffff R14:
0000000000000008 R15: ffff9ab389c9d400
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: FS: 00007f9d97924a40(0000)
GS:ffff9ab466e00000(0000) knlGS:0000000000000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CR2: 00007fec71845110 CR3:
000000010c878000 CR4: 0000000000750ef0
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: PKRU: 55555554
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Call Trace:
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: <TASK>
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: amdgpu_device_rreg+0x17/0x20
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: amdgpu_cgs_read_register+0x14/0x20
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dm_read_reg_func+0x3e/0xa0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: amdgpu_dm_dmub_reg_read+0x23/0x30
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dmub_dcn20_get_inbox1_rptr+0x20/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dmub_srv_wait_for_idle.part.0+0x26/0x60 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dmub_srv_wait_for_idle+0x17/0x20
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dc_dmub_srv_wait_idle+0x1b/0x40
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
transmitter_control_v1_6+0x1af/0x1c0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
bios_parser_transmitter_control+0x1a/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dcn10_link_encoder_enable_dp_output+0x9e/0xd0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dcn21_link_encoder_enable_dp_output+0x19d/0x450 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dp_enable_link_phy+0x2d7/0x300
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
perform_link_training_with_retries+0x114/0x290 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: enable_link_dp+0x142/0x1f0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
core_link_enable_stream+0x73a/0x920 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dce110_apply_ctx_to_hw+0x5fd/0x640
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? kmalloc_large_node+0x8c/0xb0
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn10_wait_for_mpcc_disconnect+0x11d/0x140 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dc_commit_state_no_check+0x279/0xa00 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dc_commit_state+0x96/0xb0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
amdgpu_dm_atomic_commit_tail+0x57f/0x1730 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn21_validate_bandwidth_fp+0xf9/0x2a0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn21_validate_bandwidth_fp+0xf9/0x2a0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
hubbub2_get_dcc_compression_cap+0x9f/0x290 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
fill_plane_buffer_attributes+0x24a/0x490 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dm_plane_helper_prepare_fb+0x1b4/0x270 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? __cond_resched+0x19/0x30
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? __wait_for_common+0x3d/0x160
** Affects: oem-priority
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1978760 sutton
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https://bugs.launchpad.net/bugs/1985901
Title:
kernel hang when connecting monitor
Status in OEM Priority Project:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux-oem-5.14 package in Ubuntu:
New
Bug description:
When I connected the ThinkVision 24i monitor, I found below issue.
Message from syslogd@u-ThinkPad-L14-Gen-3 at Aug 12 17:12:20 ...
kernel:[ 77.803763] watchdog: BUG: soft lockup - CPU#0 stuck for 50s!
[Xorg:1829]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: watchdog: BUG: soft lockup -
CPU#0 stuck for 50s! [Xorg:1829]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Modules linked in: rfcomm ccm
cmac algif_hash algif_skcipher af_alg bnep nls_iso8859_1 intel_rapl_msr
intel_rapl_common edac_mce_amd kvm_amd kvm snd_ctl_led crct10dif_pclmul
ghash_clmulni_intel snd_hda_codec_realtek aesni_intel mt7921e
snd_hda_codec_generic btusb btrtl crypto_simd uvcvideo mt76_connac_lib cryptd
btbcm mt76 rapl videobuf2_vmalloc btintel videobuf2_memops snd_hda_codec_hdmi
bluetooth videobuf2_v4l2 snd_hda_intel mac80211 snd_intel_dspcfg
videobuf2_common snd_intel_sdw_acpi snd_hda_codec input_leds videodev
snd_seq_midi snd_seq_midi_event snd_hda_core thinkpad_acpi ecdh_generic
serio_raw mc ecc snd_pci_acp6x snd_hwdep efi_pstore snd_rawmidi nvram
platform_profile snd_pcm snd_seq cfg80211 think_lmi wmi_bmof
firmware_attributes_class ledtrig_audio ccp snd_rn_pci_acp3x libarc4
snd_pci_acp3x snd_seq_device snd_timer ucsi_acpi typec_ucsi typec snd soundcore
amd_pmc mac_hid sch_fq_codel ipmi_devintf ipmi_msghandler msr parport_pc ppdev
lp parport ip_tables x_tables
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: autofs4 btrfs blake2b_generic
zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor
async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear amdgpu iommu_v2
gpu_sched i2c_algo_bit drm_ttm_helper ttm drm_kms_helper syscopyarea
sysfillrect sysimgblt fb_sys_fops cec rc_core crc32_pclmul psmouse drm
sdhci_pci nvme cqhci xhci_pci i2c_piix4 r8169 xhci_pci_renesas sdhci nvme_core
realtek wmi video
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CPU: 0 PID: 1829 Comm: Xorg
Tainted: G L 5.14.0-1048-oem #55-Ubuntu
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Hardware name: LENOVO
4810PZ0100/4810PZ0100, BIOS R1YET32W (1.09 ) 05/13/2022
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RIP:
0010:amdgpu_device_rreg.part.0+0x40/0xe0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Code: 54 41 89 f4 53 48 89 fb 4c
3b af b0 08 00 00 73 1b 83 e2 02 75 09 f6 87 80 64 01 00 10 75 6f 4c 03 ab b8
08 00 00 45 8b 6d 00 <eb> 12 4c 89 ee 48 8b 87 f8 08 00 00 e8 9f bc db f9 41 89
c5 66 90
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RSP: 0018:ffffbea7c2d6b3e8
EFLAGS: 00000282
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RAX: ffffffffc07b6150 RBX:
ffff9ab39d000000 RCX: 0000000000000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RDX: 0000000000000000 RSI:
0000000000006741 RDI: ffff9ab39d000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: RBP: ffffbea7c2d6b408 R08:
ffff9ab39d000000 R09: 0000000000001140
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: R10: 0000000000000000 R11:
ffff9ab389c9c400 R12: 0000000000006741
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: R13: 00000000ffffffff R14:
0000000000000008 R15: ffff9ab389c9d400
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: FS: 00007f9d97924a40(0000)
GS:ffff9ab466e00000(0000) knlGS:0000000000000000
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
0000000080050033
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: CR2: 00007fec71845110 CR3:
000000010c878000 CR4: 0000000000750ef0
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: PKRU: 55555554
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: Call Trace:
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: <TASK>
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: amdgpu_device_rreg+0x17/0x20
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
amdgpu_cgs_read_register+0x14/0x20 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dm_read_reg_func+0x3e/0xa0
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
amdgpu_dm_dmub_reg_read+0x23/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dmub_dcn20_get_inbox1_rptr+0x20/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dmub_srv_wait_for_idle.part.0+0x26/0x60 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dmub_srv_wait_for_idle+0x17/0x20
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dc_dmub_srv_wait_idle+0x1b/0x40
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
transmitter_control_v1_6+0x1af/0x1c0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
bios_parser_transmitter_control+0x1a/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dcn10_link_encoder_enable_dp_output+0x9e/0xd0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dcn21_link_encoder_enable_dp_output+0x19d/0x450 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dp_enable_link_phy+0x2d7/0x300
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
perform_link_training_with_retries+0x114/0x290 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: enable_link_dp+0x142/0x1f0
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
core_link_enable_stream+0x73a/0x920 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dce110_apply_ctx_to_hw+0x5fd/0x640 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? kmalloc_large_node+0x8c/0xb0
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn10_wait_for_mpcc_disconnect+0x11d/0x140 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
dc_commit_state_no_check+0x279/0xa00 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: dc_commit_state+0x96/0xb0
[amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel:
amdgpu_dm_atomic_commit_tail+0x57f/0x1730 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn21_validate_bandwidth_fp+0xf9/0x2a0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn21_validate_bandwidth_fp+0xf9/0x2a0 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
hubbub2_get_dcc_compression_cap+0x9f/0x290 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dcn20_get_dcc_compression_cap+0x23/0x30 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
fill_plane_buffer_attributes+0x24a/0x490 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ?
dm_plane_helper_prepare_fb+0x1b4/0x270 [amdgpu]
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? __cond_resched+0x19/0x30
8月 12 17:12:20 u-ThinkPad-L14-Gen-3 kernel: ? __wait_for_common+0x3d/0x160
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