Created attachment 844693 [details]
journal from failed boot

Linux 5.10.1 on my Thinkpad X1 Carbon Gen 7 fails to boot with workqueue lockup
messages and a failure to mount /home. I've given it 10 minutes, but it will
not complete booting.

Previous kernels, including the fallback 5.9.14 do not exhibit this behavior. 


Dec 24 18:00:05 think kernel: BUG: workqueue lockup - pool cpus=5 node=0
flags=0x0 nice=0 stuck for 50s!
Dec 24 18:00:05 think kernel: Showing busy workqueues and worker pools:
Dec 24 18:00:05 think kernel: workqueue events: flags=0x0
Dec 24 18:00:05 think kernel:   pwq 10: cpus=5 node=0 flags=0x0 nice=0
active=11/256 refcnt=12
Dec 24 18:00:05 think kernel:     in-flight: 840:request_firmware_work_func
Dec 24 18:00:05 think kernel:     pending: delayed_fput,
drm_fb_helper_dirty_work [drm_kms_helper], free_work, kfree_rcu_monitor,
kernfs_notify_workfn, rfkill_global_led_trigger_worker [rfkill], smp_call_on_c>
Dec 24 18:00:05 think kernel:   pwq 0: cpus=0 node=0 flags=0x0 nice=0
active=1/256 refcnt=2
Dec 24 18:00:05 
Previous kernels, including the fallback 5.9.14 do not exhibit this behavior. 
think kernel:     pending: vmstat_shepherd
Dec 24 18:00:05 think kernel: workqueue events_long: flags=0x0
Dec 24 18:00:05 think kernel:   pwq 0: cpus=0 node=0 flags=0x0 nice=0
active=1/256 refcnt=2
Dec 24 18:00:05 think kernel:     in-flight: 143:ucsi_init_work [typec_ucsi]
Dec 24 18:00:05 think kernel: workqueue events_unbound: flags=0x2
Dec 24 18:00:05 think kernel:   pwq 16: cpus=0-7 flags=0x4 nice=0 active=4/512
refcnt=6
Dec 24 18:00:05 think kernel:     in-flight:
58:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn,
63:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn
Dec 24 18:00:05 think kernel: workqueue rcu_gp: flags=0x8
Dec 24 18:00:05 think kernel:   pwq 10: cpus=5 node=0 flags=0x0 nice=0
active=1/256 refcnt=2
Dec 24 18:00:05 think kernel:     pending: process_srcu
Dec 24 18:00:05 think kernel: workqueue mm_percpu_wq: flags=0x8
Dec 24 18:00:05 think kernel:   pwq 10: cpus=5 node=0 flags=0x0 nice=0
active=2/256 refcnt=4
Dec 24 18:00:05 think kernel:     pending: vmstat_update, lru_add_drain_per_cpu
BAR(907)
Dec 24 18:00:05 think kernel: workqueue kec_query: flags=0x0
Dec 24 18:00:05 think kernel:   pwq 10: cpus=5 node=0 flags=0x0 nice=0
active=1/16 refcnt=2
Dec 24 18:00:05 think kernel:     pending: acpi_ec_event_processor
Dec 24 18:00:05 think kernel: workqueue usb_hub_wq: flags=0x4
Dec 24 18:00:05 think kernel:   pwq 10: cpus=5 node=0 flags=0x0 nice=0
active=1/256 refcnt=2
Dec 24 18:00:05 think kernel:     pending: hub_event [usbcore]
Dec 24 18:00:05 think kernel: pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s
workers=4 idle: 5 770 7
Dec 24 18:00:05 think kernel: pool 10: cpus=5 node=0 flags=0x0 nice=0 hung=50s
workers=4 idle: 764 43 133
Dec 24 18:00:05 think kernel: pool 16: cpus=0-7 flags=0x4 nice=0 hung=0s
workers=8 idle: 8 60 59 62 61 64




��������� rpm -qa | grep kernel-default
kernel-default-5.10.1-1.1.x86_64
kernel-default-5.9.14-1.2.x86_64