Created attachment 301708 [details] journalct log when doing suspend 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
Created attachment 301709 [details] enable debug_mask echo 0xffffffff > /sys/module/ath11k/parameters/debug_mask
This can be fixed by https://patchwork.kernel.org/project/linux-wireless/patch/20220701072855.13655-1-quic_wgong@quicinc.com/
This patch could fix this issue. https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/drivers/net/wireless/ath/ath11k?id=d99884ad9e3673a12879bc2830f6e5a66cccbd78
It's being sent out for 6.1-rc. https://patchwork.kernel.org/project/linux-wireless/patch/20221102114803.13485-1-kvalo@kernel.org/
(In reply to Bin Li from comment #3) > This patch could fix this issue. > > https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/drivers/ > net/wireless/ath/ath11k?id=d99884ad9e3673a12879bc2830f6e5a66cccbd78 Not sure the meaning of the word "could" here. Are you saying that the commit above fixed the issue and the bug report can be closed?
@kalle, Yes, this issue is fixed. And it's in kernel tree now. Set is as CODE_FIX. Thanks! commit f45cb6b29cd36514e13f7519770873d8c0457008 Author: Wen Gong <quic_wgong@quicinc.com> Date: Wed Nov 2 13:48:03 2022 +0200 wifi: ath11k: avoid deadlock during regulatory update in ath11k_regd_update() (cherry picked from commit d99884ad9e3673a12879bc2830f6e5a66cccbd78 in ath-next as users are seeing this bug more now, also cc stable)
Thanks, closing the bug.