mt7921e doens't complete connection with kernel 6.2-rc0
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Description
Duplicating https://bugzilla.kernel.org/show_bug.cgi?id=216829
I biesected it to the merge commit:
commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91
Merge: 1ca06f1c1ace 7c4a6309e27f
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Tue Dec 13 15:47:48 2022 -0800
Merge tag 'net-next-6.2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
I mentioned this on #linux-wireless and they recommended I bisect the net-next tree
Unfortunately I can't find the net-next-6.2 tag on that tree
When there are network issues, the device is still enumerated and I can see Networks, it just doesn't complete the connection
Dec 21 12:12:53 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: enabling device (0000 -> 0002)
Dec 21 12:12:53 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: ASIC revision: 79610010
Dec 21 12:12:53 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: HW/SW Version: 0x8a108a10, Build Time: 20221109110918a
Dec 21 12:12:53 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: WM Firmware Version: ____010000, Build Time: 20221109111005
Dec 21 12:13:02 axion.fireburn.co.uk NetworkManager[451]: <info> [1671624782.7747] rfkill1: found Wi-Fi radio killswitch (at /sys/devices/pci0000:00/0000:00:02.2/0000:05:00.0/ieee80211/phy0/rfkill1) (driver mt7921e)
Dec 21 12:13:14 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: Message 00020002 (seq 15) timeout
Dec 21 12:13:14 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: HW/SW Version: 0x8a108a10, Build Time: 20221109110918a
Dec 21 12:13:14 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: WM Firmware Version: ____010000, Build Time: 20221109111005
Dec 21 12:13:23 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: Message 00020003 (seq 10) timeout
Dec 21 12:13:26 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: Message 00020002 (seq 11) timeout
Dec 21 12:13:26 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: HW/SW Version: 0x8a108a10, Build Time: 20221109110918a
Dec 21 12:13:26 axion.fireburn.co.uk kernel: mt7921e 0000:05:00.0: WM Firmware Version: ____010000, Build Time: 20221109111005
Which is probably related to those timeout messages
Is there anything else I can do to assist? I'll happily bisect further if you point me to a tree/tag I can bisect
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Research direction
Start with the reported mt7921e connection failure on kernel 6.2-rc0 and the bisected merge commit 7e68dd7d07a28faa2e6574dd6b9dbd90cdeaae91. Reproduce the timeout messages, then compare the relevant net-next history; done means identifying and addressing the regression so the device completes a connection.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c, linux
- Domain
- networking, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100