netdev - Re: Fwd: Dell XPS 13 ath10k

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Date: Sat, 24 Jun 2023 08:13:26 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Kalle Valo <kvalo@...nel.org>, Thorsten Leemhuis <linux@...mhuis.info>,
 Garry Williams <gtwilliams@...il.com>
Cc: Linux Atheros 10K <ath10k@...ts.infradead.org>,
 Linux Wireless <linux-wireless@...r.kernel.org>,
 Linux Kernel Network Developers <netdev@...r.kernel.org>,
 Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
 Linux Regressions <regressions@...ts.linux.dev>
Subject: Re: Fwd: Dell XPS 13 ath10k_pci firmware crashed!

On 6/14/23 08:15, Bagas Sanjaya wrote:
> Hi,
> 
> I notice a regression report on Bugzilla [1]. Quoting from it:
> 
>> Beginning with kernel 6.2.15-300.fc38.x86_64 and continuing through 6.3.7-200.fc38.x86_64, the wifi connection fails periodically with these log messages:
>>
>> ath10k_pci 0000:02:00.0: firmware crashed! (guid 6c545da0-593c-4a0e-b5ad-3ef2b91cdebf)
>> ath10k_pci 0000:02:00.0: qca6174 hw3.2 target 0x05030000 chip_id 0x00340aff sub 1a56:143a
>> ath10k_pci 0000:02:00.0: kconfig debug 0 debugfs 1 tracing 0 dfs 0 testmode 0
>> ath10k_pci 0000:02:00.0: firmware ver WLAN.RM.4.4.1-00288- api 6 features wowlan,ignore-otp,mfp crc32 bf907c7c
>> ath10k_pci 0000:02:00.0: board_file api 2 bmi_id N/A crc32 d2863f91
>> ath10k_pci 0000:02:00.0: htt-ver 3.87 wmi-op 4 htt-op 3 cal otp max-sta 32 raw 0 hwcrypto 1
>> ath10k_pci 0000:02:00.0: failed to get memcpy hi address for firmware address 4: -16
>> ath10k_pci 0000:02:00.0: failed to read firmware dump area: -16
>> ath10k_pci 0000:02:00.0: Copy Engine register dump:
>> ath10k_pci 0000:02:00.0: [00]: 0x00034400  12  12   3   3
>> ath10k_pci 0000:02:00.0: [01]: 0x00034800  14  14 347 348
>> ath10k_pci 0000:02:00.0: [02]: 0x00034c00   8   2   0   1
>> ath10k_pci 0000:02:00.0: [03]: 0x00035000  16  15  16  14
>> ath10k_pci 0000:02:00.0: [04]: 0x00035400 2995 2987  22 214
>> ath10k_pci 0000:02:00.0: [05]: 0x00035800   0   0  64   0
>> ath10k_pci 0000:02:00.0: [06]: 0x00035c00   0   0  18  18
>> ath10k_pci 0000:02:00.0: [07]: 0x00036000   1   1   1   0
>> ath10k_pci 0000:02:00.0: could not request stats (-108)
>> ath10k_pci 0000:02:00.0: could not request peer stats info: -108
>> ath10k_pci 0000:02:00.0: failed to read hi_board_data address: -28
>> ieee80211 phy0: Hardware restart was requested
>> ath10k_pci 0000:02:00.0: could not request stats (-108)
>> ath10k_pci 0000:02:00.0: device successfully recovered
>>
>>
>> If I disconnect and reconnect using network manager, the connection is restored.  But this same failure recurs over and over after some few minutes to a few hours.
>>
>> This is a regression.  The error was not reported with any previous kernel since 6.2.14-300.fc38.x86_64
> 
> See Bugzilla for the full thread.
> 
> Unfortunately, the reporter can't bisect this regression (he only tries
> distribution kernels instead).
> 
> Anyway, I'm adding it to regzbot (as mainline regression because v6.2.x
> has already EOL):
> 
> #regzbot introduced: v6.2..v6.3 https://bugzilla.kernel.org/show_bug.cgi?id=217549
> #regzbot title: ath10k_pci firmware crashed on Dell XPS 13
> 

It comes out that the regression is due to Fedora patches (see Bugzilla thread),
thus:

#regzbot invalid: regression caused by downstream patch

Thanks.

-- 
An old man doll... just what I always wanted! - Clara