Date: Wed, 25 Feb 2026 03:58:27 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Mohammad Amin <the.madamin20@gmail.com> Cc: freebsd-wireless@freebsd.org Subject: Re: iwlwifi crash on connection Message-ID: <6s416sp7-p1ps-98o1-4pr5-26ns62n3sps7@mnoonqbm.arg> In-Reply-To: <343898s-8415-pq46-n8p-513r684o6n48@mnoonqbm.arg> References: <2CFF90B8-C0A6-4453-96B2-AD6C295A2D2D@gmail.com> <71o5pnno-3n3s-6626-rn5-n21pos62889r@mnoonqbm.arg> <343898s-8415-pq46-n8p-513r684o6n48@mnoonqbm.arg>
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On Sat, 21 Feb 2026, Bjoern A. Zeeb wrote: > On Fri, 21 Nov 2025, Bjoern A. Zeeb wrote: > > Hi, > >> On Fri, 21 Nov 2025, Mohammad Amin wrote: >> >> Hi, >> >>> Hi, thanks for your works and good luck. >>> As I posted in >>> https://forums.freebsd.org/threads/iwlwifi-caused-a-kernel-panic.100121/, >>> I wanted to report a crash that happened when I connect to my iPhone’s >>> hotspot. >>> I’m running FreeBSD 15.0-RC2 on my Legion 5 2022 Intel variant, which has >>> an AX211 wireless card. >>> iwlwifi0@pci0:0:20:3: class=0x028000 rev=0x01 hdr=0x00 vendor=0x8086 >>> device=0x51f0 subvendor=0x8086 subdevice=0x0094 >>> vendor = 'Intel Corporation' >>> device = 'Alder Lake-P PCH CNVi WiFi' >>> class = network >>> >>> Nov 20 16:06:28 localhost kernel: WARNING IS_ERR_OR_NULL(sta) failed at >>> /usr/src/sys/contrib/dev/iwlwifi/mvm/rxmq.c:722 >> >> This is an interesting one. >> >> It's a "remove STA" command which failed but according to the backtrace it >> failed > > I assume you switched to iwx(4) if I remember the forums postings correctly. > Nevertheless, I wanted to follow-up here. > > I hit this very exact FW crash yesterday after I undone some state machine > bits from 3 years ago, and started to run test cases. > > iwlwifi0: 0x2010303A | ADVANCED_SYSASSERT > > Took me a few hours but I believe I found a cure; at least the regression > testing is now continuing very smothly. The fix will likely land in > main at some point next week along with other changes and an iwlwifi > driver update. I'll have to see how to separate it from all the other works. > > I am surprised this hasn't been a much bigger problem for way more people > as well. > > To take a long story short: thank you for reporting it (also by email here). > It has helped a lot; and sorry it took so long to find a solution. For the records, this went into main as https://cgit.FreeBSD.org/src/commit/?id=fc9369abef6b6993e79b08de832e1d49f81a17b9 /bz -- Bjoern A. Zeeb r15:7home | help
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