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Date: Thu, 02 Jun 2022 10:44:13 +0200 From: Philippe Schenker <dev@...henker.ch> To: sean.wang@...iatek.com Cc: deren.wu@...iatek.com, kvalo@...nel.org, linux-wireless@...r.kernel.org, nbd@....name, linux@...mhuis.info, davem@...emloft.net, kuba@...nel.org, lorenzo.bianconi83@...il.com, matthias.bgg@...il.com, pabeni@...hat.com, ryder.lee@...iatek.com, shayne.chen@...iatek.com, yn.chen@...iatek.com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org Subject: Re: [PATCH] Revert "mt76: mt7921: enable aspm by default" On Thu, 2022-06-02 at 06:23 +0800, sean.wang@...iatek.com wrote: > From: Sean Wang <sean.wang@...iatek.com> > > > On Tue, 2022-04-12 at 19:06 +0800, Deren Wu wrote: > > > On Tue, 2022-04-12 at 12:37 +0300, Kalle Valo wrote: > > > > Philippe Schenker <dev@...henker.ch> writes: > > > > > > > > > This reverts commit bf3747ae2e25dda6a9e6c464a717c66118c588c8. > > > > > > > > > > This commit introduces a regression on some systems where the > > > > > kernel is crashing in different locations after a reboot was > > > > > issued. > > > > > > > > > > This issue was bisected on a Thinkpad P14s Gen2 (AMD) with > > > > > latest > > > > > firmware. > > > > > > > > > > Link: > > > > > https://urldefense.com/v3/__https://lore.kernel.org/linux-wireless > > > > > /5077a953487275837e81bdf1808ded00b9676f9f.camel@...henker.ch/_ > > > > > _;!! > > > > > CTRNKA9wMg0ARbw!09tjyaQlMci3fVI3yiNiDJKUW_qwNA_CbVhoAraeIX96B9 > > > > > 9Q14 > > > > > J4iDycWA9cq36Y$ > > > > > > > > > > Signed-off-by: Philippe Schenker <dev@...henker.ch> > > > > > > > > Can I take this to wireless tree? Felix, ack? > > > > > > > > I'll also add: > > > > > > > > Fixes: bf3747ae2e25 ("mt76: mt7921: enable aspm by default") > > > > > > > > > > Hi Kalle, > > > > > > We have a patch for a similar problem. Can you wait for the > > > verification by Philippe? > > > Commit 602cc0c9618a81 ("mt76: mt7921e: fix possible probe failure > > > after > > > reboot") > > > Link: > > > https://urldefense.com/v3/__https://git.kernel.org/pub/scm/linux/kerne > > > l/git/torvalds/linux.git/commit/drivers/net/wireless/mediatek/mt76 > > > ?id= > > > 602cc0c9618a819ab00ea3c9400742a0ca318380__;!!CTRNKA9wMg0ARbw!3N9I3 > > > iKwS > > > 3XCNAb4LuhbFqt_el1yiOaJzSdUjaJsTaxRCHiWhXnEgbk3bOqYTy6T$ > > > > > > I can reproduce the problem in my v5.16-rc5 desktop. And the issue > > > can > > > be fixed when the patch applied. > > > > > > > > > Hi Philippe, > > > > > > Can you please help to check the patch in your platform? > > > > Hi Kalle and Deren, > > > > I just noticed on my system and mainline v5.18 reboots do now work > > however Bluetooth is no longer accessible after a reboot. > > > > Reverting commit bf3747ae2e25dda6a9e6c464a717c66118c588c8 on top of > > v5.18 solves this problem for me. > > > > @Deren are you aware of this bug? > > @Kalle Is there a bugtracker somewhere I can submit this? > > Hi Philippe, > > Could you try the latest firmware to see if it can help with the issue > you reported here ? > > Please check out > https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/mediatek > and replace the following three files in /lib/firmware/mediatek on > your target and reboot > 1) BT_RAM_CODE_MT7961_1_2_hdr.bin > 2) WIFI_MT7961_patch_mcu_1_2_hdr.bin > 3) WIFI_RAM_CODE_MT7961_1.bin > > Sean Hi Sean, Thanks for your suggestion. I downloaded the firmwares from the link you indicated and downloaded the three firmwares from main branch. I checked and the sha256sums of the most recent firmwares match with the one installed by my distribution. So I already had latest versions on my tests. Philippe > > > > > Thanks, > > Philippe > > > > > > > > > > > Regards, > > > Deren > > > > > > > > >
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