** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu Focal)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1896482
Title:
acpi event detection crashes
Status in linux package in Ubuntu:
In Progress
Status in linux source package in Focal:
In Progress
Bug description:
= SRU Justification =
[Impact]
The bug causes the EC driver to fail and ACPI events are no longer
handled by Linux kernel, i.e lid close no longer triggers suspends.
[Fix]
Upstream commit 03e9a0e05739cf reworks ec_install_handlers to avoid
initialisation failures.
The other three patches are prerequisite to apply 03e9a0e05739cf on
focal kernel.
[Test]
Tested with Lenovo ThinkPad X1 Carbon Gen 8
[Regression Potential]
Low. The patches were cherry-picked from mainline kernel (two since 5.5
and two since 5.7)
= Original Bug Report =
Right after booting, acpi lid open/close is detected as it should be
by the kernel, but some time later it crashes, so I have to manually
suspend the system. The traceback is here:
Sep 20 11:35:33 laxmi kernel: [232492.303557] ------------[ cut here
]------------
Sep 20 11:35:33 laxmi kernel: [232492.303564] WARNING: CPU: 0 PID: 8302 at
kernel/workqueue.c:1416 __queue_work+0x337/0x3f0
Sep 20 11:35:33 laxmi kernel: [232492.303565] Modules linked in: ccm rfcomm
cmac algif_hash algif_skcipher af_alg bnep nls_iso8859_1 snd_soc_skl_hda_dsp
snd_hda_codec_hdmi snd_soc_hdac_hdmi snd_hda_codec_realtek snd_soc_dmic
snd_hda_codec_generic snd_sof_pci mei_hdcp x86_pkg_temp_thermal
intel_powerclamp intel_rapl_msr coretemp snd_sof_intel_hda_common
snd_soc_hdac_hda snd_sof_intel_hda kvm_intel snd_sof_intel_byt
snd_sof_intel_ipc kvm snd_sof snd_sof_xtensa_dsp snd_hda_ext_core
snd_soc_acpi_intel_match snd_soc_acpi snd_soc_core snd_compress ac97_bus
snd_pcm_dmaengine joydev crct10dif_pclmul ghash_clmulni_intel snd_hda_intel
aesni_intel snd_intel_dspcfg crypto_simd iwlmvm cryptd snd_hda_codec
glue_helper rapl mac80211 snd_hda_core snd_seq_midi snd_hwdep
snd_seq_midi_event libarc4 intel_cstate uvcvideo snd_rawmidi i915 snd_pcm
videobuf2_vmalloc input_leds thinkpad_acpi btusb videobuf2_memops serio_raw
btrtl videobuf2_v4l2 snd_seq btbcm btintel nvram videobuf2_common iwlwifi
processor_thermal_device bluetooth videodev
Sep 20 11:35:33 laxmi kernel: [232492.303600] drm_kms_helper mc wmi_bmof
i2c_algo_bit intel_rapl_common fb_sys_fops ucsi_acpi intel_wmi_thunderbolt
ecdh_generic ledtrig_audio typec_ucsi mei_me syscopyarea hid_multitouch
snd_seq_device sysfillrect cfg80211 ecc sysimgblt mei intel_soc_dts_iosf typec
snd_timer snd soundcore int3403_thermal int340x_thermal_zone acpi_pad intel_hid
int3400_thermal acpi_thermal_rel sparse_keymap mac_hid sch_fq_codel parport_pc
ppdev lp parport drm ip_tables x_tables autofs4 hid_generic crc32_pclmul nvme
psmouse e1000e i2c_i801 thunderbolt intel_lpss_pci intel_lpss nvme_core idma64
virt_dma i2c_hid hid wmi video pinctrl_cannonlake pinctrl_intel
Sep 20 11:35:33 laxmi kernel: [232492.303628] CPU: 0 PID: 8302 Comm:
kworker/0:0 Not tainted 5.4.0-47-generic #51-Ubuntu
Sep 20 11:35:33 laxmi kernel: [232492.303629] Hardware name: LENOVO
20U9001NUS/20U9001NUS, BIOS N2WET19W (1.09 ) 07/01/2020
Sep 20 11:35:33 laxmi kernel: [232492.303632] Workqueue: kec_query
acpi_ec_event_processor
Sep 20 11:35:33 laxmi kernel: [232492.303635] RIP:
0010:__queue_work+0x337/0x3f0
Sep 20 11:35:33 laxmi kernel: [232492.303637] Code: ff 49 8b 9d a0 00 00 00
e9 aa fd ff ff 65 8b 05 e7 59 15 6d a9 00 01 1f 00 75 0f 65 48 8b 3c 25 c0 6b
01 00 f6 47 24 20 75 25 <0f> 0b 48 83 c4 18 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f
0b e9 fd fd
Sep 20 11:35:33 laxmi kernel: [232492.303638] RSP: 0018:ffffb16bc0ebb8f8
EFLAGS: 00010087
Sep 20 11:35:33 laxmi kernel: [232492.303640] RAX: ffff9a2477432600 RBX:
0000000000000002 RCX: 0000000000000004
Sep 20 11:35:33 laxmi kernel: [232492.303641] RDX: ffff9a2475af4a90 RSI:
ffff9a2475b03200 RDI: ffff9a2430215f00
Sep 20 11:35:33 laxmi kernel: [232492.303642] RBP: ffffb16bc0ebb938 R08:
0000000000000000 R09: 0000000000000007
Sep 20 11:35:33 laxmi kernel: [232492.303643] R10: ffff9a24755ad678 R11:
0000000000000000 R12: ffff9a2475af4a00
Sep 20 11:35:33 laxmi kernel: [232492.303643] R13: ffff9a2475b03200 R14:
0000000000002000 R15: ffff9a2475af4a90
Sep 20 11:35:33 laxmi kernel: [232492.303645] FS: 0000000000000000(0000)
GS:ffff9a2477400000(0000) knlGS:0000000000000000
Sep 20 11:35:33 laxmi kernel: [232492.303646] CS: 0010 DS: 0000 ES: 0000
CR0: 0000000080050033
Sep 20 11:35:33 laxmi kernel: [232492.303647] CR2: 000000c42098b000 CR3:
000000018520a003 CR4: 00000000003606f0
Sep 20 11:35:33 laxmi kernel: [232492.303648] Call Trace:
Sep 20 11:35:33 laxmi kernel: [232492.303654] ? acpi_os_release_lock+0xe/0x10
Sep 20 11:35:33 laxmi kernel: [232492.303657] queue_work_on+0x3b/0x50
Sep 20 11:35:33 laxmi kernel: [232492.303659] advance_transaction+0x2b9/0x620
Sep 20 11:35:33 laxmi kernel: [232492.303661] acpi_ec_transaction+0x16c/0x3c0
Sep 20 11:35:33 laxmi kernel: [232492.303663]
acpi_ec_space_handler+0xd4/0x280
Sep 20 11:35:33 laxmi kernel: [232492.303666]
acpi_ev_address_space_dispatch+0x2f7/0x39f
Sep 20 11:35:33 laxmi kernel: [232492.303668] ? ec_transaction+0x70/0x70
Sep 20 11:35:33 laxmi kernel: [232492.303670]
acpi_ex_access_region+0x454/0x4ed
Sep 20 11:35:33 laxmi kernel: [232492.303672]
acpi_ex_field_datum_io+0x18a/0x42d
Sep 20 11:35:33 laxmi kernel: [232492.303673]
acpi_ex_extract_from_field+0x172/0x320
Sep 20 11:35:33 laxmi kernel: [232492.303675]
acpi_ex_read_data_from_field+0x30f/0x361
Sep 20 11:35:33 laxmi kernel: [232492.303677]
acpi_ex_resolve_node_to_value+0x3a7/0x4dd
Sep 20 11:35:33 laxmi kernel: [232492.303679]
acpi_ex_resolve_to_value+0x3c3/0x472
Sep 20 11:35:33 laxmi kernel: [232492.303681]
acpi_ds_evaluate_name_path+0xb1/0x169
Sep 20 11:35:33 laxmi kernel: [232492.303684] ?
acpi_db_single_step+0x1f/0x252
Sep 20 11:35:33 laxmi kernel: [232492.303686] acpi_ds_exec_end_op+0x118/0x76b
Sep 20 11:35:33 laxmi kernel: [232492.303689] acpi_ps_parse_loop+0x84b/0x920
Sep 20 11:35:33 laxmi kernel: [232492.303691] acpi_ps_parse_aml+0x1af/0x550
Sep 20 11:35:33 laxmi kernel: [232492.303692]
acpi_ps_execute_method+0x208/0x2ca
Sep 20 11:35:33 laxmi kernel: [232492.303695] acpi_ns_evaluate+0x34e/0x4f0
Sep 20 11:35:33 laxmi kernel: [232492.303697]
acpi_evaluate_object+0x18e/0x3b4
Sep 20 11:35:33 laxmi kernel: [232492.303699]
acpi_ec_event_processor+0x95/0xa0
Sep 20 11:35:33 laxmi kernel: [232492.303701] process_one_work+0x1eb/0x3b0
Sep 20 11:35:33 laxmi kernel: [232492.303703] worker_thread+0x4d/0x400
Sep 20 11:35:33 laxmi kernel: [232492.303706] kthread+0x104/0x140
Sep 20 11:35:33 laxmi kernel: [232492.303708] ? process_one_work+0x3b0/0x3b0
Sep 20 11:35:33 laxmi kernel: [232492.303710] ? kthread_park+0x90/0x90
Sep 20 11:35:33 laxmi kernel: [232492.303714] ret_from_fork+0x1f/0x40
Sep 20 11:35:33 laxmi kernel: [232492.303716] ---[ end trace bea33573eb5f80b7
]---
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: linux-image-5.4.0-47-generic 5.4.0-47.51
ProcVersionSignature: Ubuntu 5.4.0-47.51-generic 5.4.55
Uname: Linux 5.4.0-47-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: jcline 1251 F.... pulseaudio
CasperMD5CheckResult: skip
Date: Mon Sep 21 08:43:50 2020
InstallationDate: Installed on 2020-08-17 (34 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: LENOVO 20U9001NUS
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-47-generic
root=UUID=14ba9dc0-6dd4-4abb-a9f2-66cc3dd04070 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-5.4.0-47-generic N/A
linux-backports-modules-5.4.0-47-generic N/A
linux-firmware 1.187.3
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/01/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: N2WET19W (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20U9001NUS
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN2WET19W(1.09):bd07/01/2020:svnLENOVO:pn20U9001NUS:pvrThinkPadX1CarbonGen8:rvnLENOVO:rn20U9001NUS:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad X1 Carbon Gen 8
dmi.product.name: 20U9001NUS
dmi.product.sku: LENOVO_MT_20U9_BU_Think_FM_ThinkPad X1 Carbon Gen 8
dmi.product.version: ThinkPad X1 Carbon Gen 8
dmi.sys.vendor: LENOVO
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