Michal Kazior <michal.kazior@xxxxxxxxx> writes:
> Some trace messages were truncated and a kernel
> splat could be seen in the log:
>
> WARNING: CPU: 3 PID: 0 at /devel/src/linux/drivers/net/wireless/ath/ath10k/./trace.h:114 ftrace_raw_event_ath10k_log_dbg+0x20e/0x220 [ath10k_core]()
> Modules linked in: ath10k_pci(O) ath10k_core(O) ath iwldvm iwlwifi [last unloaded: iwlwifi]
> CPU: 3 PID: 0 Comm: swapper/3 Tainted: G W O 4.0.0-rc3-wl-ath+ #703
> Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
> ffffffffa01d4cb0 ffff88001fd83998 ffffffff8191b86c ffffffff81e3b718
> 0000000000000000 ffff88001fd839d8 ffffffff8105573a ffff88001c0a5528
> ffff88001bea9ae0 ffff88001c3dd940 00000000000d0018 ffff88001fd83a80
> Call Trace:
> <IRQ> [<ffffffff8191b86c>] dump_stack+0x45/0x57
> [<ffffffff8105573a>] warn_slowpath_common+0x8a/0xc0
> [<ffffffff8105582a>] warn_slowpath_null+0x1a/0x20
> [<ffffffffa01c61fe>] ftrace_raw_event_ath10k_log_dbg+0x20e/0x220 [ath10k_core]
> [<ffffffffa01aaa6b>] ath10k_dbg+0xbb/0xd0 [ath10k_core]
> [<ffffffff810eed89>] ? trace_clock_local+0x9/0x10
> [<ffffffffa01bd069>] ath10k_wmi_event_service_ready+0x479/0x520 [ath10k_core]
> [<ffffffff810fdf90>] ? trace_buffer_unlock_commit+0x50/0x60
> [<ffffffffa01c2113>] ath10k_wmi_tlv_op_rx+0x6b3/0x8b0 [ath10k_core]
>
> This could be reproduced with:
>
> trace-cmd record -e ath10k
> ifconfig wlan0 down
> ifconfig wlan0 up
>
> Fixes: 5c01aa3de918 ("ath10k: deduplicate wmi service ready logic")
> Fixes: ca996ec56608 ("ath10k: implement wmi-tlv backend")
> Signed-off-by: Michal Kazior <michal.kazior@xxxxxxxxx>
Thanks, applied.
--
Kalle Valo
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