Public bug reported:
On ubuntu 22.04, I installed v6.0-rc3 mainline kernel.
linux-firmware 20220329.git681281e4-0ubuntu3.4
Sep 01 13:25:13 u-ThinkPad-P16-Gen-1 kernel: PM: suspend entry (s2idle)
Sep 01 13:25:13 u-ThinkPad-P16-Gen-1 kernel: Filesystems sync: 0.004 seconds
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Freezing user space processes ...
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Freezing of tasks failed after
20.007 seconds (9 tasks refusing to freeze, wq_busy=0):
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: task:NetworkManager state:D
stack: 0 pid: 988 ppid: 1 flags:0x00004006
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Call Trace:
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: <TASK>
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __schedule+0x221/0x5c0
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: schedule+0x5f/0x100
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: schedule_timeout+0x111/0x150
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: wait_for_completion+0x88/0x140
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __flush_work.isra.0+0x1b9/0x340
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
flush_workqueue_prep_pwqs+0x140/0x140
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __cancel_work_timer+0x10d/0x190
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
ath11k_mac_config_mon_status_default+0x9c/0x170 [ath11k]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: cancel_work_sync+0x10/0x20
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ath11k_mac_op_stop+0x9f/0x1e0
[ath11k]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: drv_stop+0x45/0x120 [mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_stop_device+0x43/0x50
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_do_stop+0x6b1/0x980
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
cond_synchronize_rcu_expedited+0x40/0x40
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ? qdisc_reset+0x27/0x150
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_stop+0x43/0x170
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __dev_close_many+0x9f/0x120
** Affects: oem-priority
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: oem-priority originate-from-1981174 originate-from-1981178
originate-from-1982536 originate-from-1983094 sutton
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https://bugs.launchpad.net/bugs/1991036
Title:
ath11k: Freezing kernel when doing s2idle [17cb:1103]
Status in OEM Priority Project:
New
Status in linux package in Ubuntu:
New
Bug description:
On ubuntu 22.04, I installed v6.0-rc3 mainline kernel.
linux-firmware 20220329.git681281e4-0ubuntu3.4
Sep 01 13:25:13 u-ThinkPad-P16-Gen-1 kernel: PM: suspend entry (s2idle)
Sep 01 13:25:13 u-ThinkPad-P16-Gen-1 kernel: Filesystems sync: 0.004 seconds
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Freezing user space processes ...
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Freezing of tasks failed after
20.007 seconds (9 tasks refusing to freeze, wq_busy=0):
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: task:NetworkManager state:D
stack: 0 pid: 988 ppid: 1 flags:0x00004006
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: Call Trace:
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: <TASK>
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __schedule+0x221/0x5c0
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: schedule+0x5f/0x100
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: schedule_timeout+0x111/0x150
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: wait_for_completion+0x88/0x140
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __flush_work.isra.0+0x1b9/0x340
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
flush_workqueue_prep_pwqs+0x140/0x140
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __cancel_work_timer+0x10d/0x190
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
ath11k_mac_config_mon_status_default+0x9c/0x170 [ath11k]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: cancel_work_sync+0x10/0x20
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ath11k_mac_op_stop+0x9f/0x1e0
[ath11k]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: drv_stop+0x45/0x120 [mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_stop_device+0x43/0x50
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_do_stop+0x6b1/0x980
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ?
cond_synchronize_rcu_expedited+0x40/0x40
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ? qdisc_reset+0x27/0x150
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: ieee80211_stop+0x43/0x170
[mac80211]
Sep 01 13:25:33 u-ThinkPad-P16-Gen-1 kernel: __dev_close_many+0x9f/0x120
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