QCA988x and kernel 4.13
svp
s.pooheer at gmail.com
Sat Sep 30 01:39:08 PDT 2017
Hi!
After upgrade to 4.13 have errors in log
kernel: INFO: task kworker/u8:5:113 blocked for more than 120 seconds.
kernel: Tainted: G O 4.13.3-1-ARCH #1
kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this essage.
kernel: kworker/u8:5 D 0 113 2 0x00000000
kernel: Workqueue: phy0 ieee80211_ba_session_work [mac80211]
kernel: Call Trace:
kernel: __schedule+0x239/0x890
kernel: schedule+0x3d/0x90
kernel: schedule_preempt_disabled+0x15/0x20
kernel: __mutex_lock.isra.2+0x295/0x520
kernel: ? ttwu_do_wakeup+0x1e/0x160
kernel: __mutex_lock_slowpath+0x13/0x20
kernel: ? update_load_avg+0x426/0x5a0
kernel: ? __mutex_lock_slowpath+0x13/0x20
kernel: mutex_lock+0x25/0x30
kernel: __ieee80211_start_rx_ba_session+0x153/0x520 [mac80211]
kernel: ieee80211_ba_session_work+0x164/0x250 [mac80211]
kernel: process_one_work+0x1de/0x430
kernel: worker_thread+0x47/0x3f0
kernel: kthread+0x125/0x140
kernel: ? process_one_work+0x430/0x430
kernel: ? kthread_create_on_node+0x70/0x70
kernel: ret_from_fork+0x25/0x30
Then this system became unstable.
lspci
06:00.0 Network controller: Qualcomm Atheros QCA986x/988x 802.11ac Wireless
Network Adapter
uname -a
Linux I5-4670 4.13.3-1-ARCH #1 SMP PREEMPT Thu Sep 21 20:33:16 CEST 2017 x86_64
GNU/Linux
iwconfig
wlp6s0 IEEE 802.11 Mode:Master Tx-Power=30 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Power Management:on
firmware-5.bin_10.2.4.70.59-2 was used
Thanks!
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