Date: Sat, 30 Sep 2023 08:54:51 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: FreeBSD wireless mailing list <wireless@freebsd.org> Subject: Re: iwlwifi (main) please test now - is your firmware crash gone? Message-ID: <1401s3o5-4q37-126n-11on-34p92001s41r@SerrOFQ.bet> In-Reply-To: <r6sn78rp-73o0-78rs-90qp-46725596qn44@SerrOFQ.bet> References: <r6sn78rp-73o0-78rs-90qp-46725596qn44@SerrOFQ.bet>
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On Sat, 30 Sep 2023, Bjoern A. Zeeb wrote: > Hi, > > I just pushed > > URL: > https://cgit.FreeBSD.org/src/commit/?id=16e688b2a403a3dbc05de3b9f8a3132838613790 > LinuxKPI: 802.11: fix problem removing sta > > into main. Anyone on main, can you please test that the annoying > firmware crash is gone (or rather things at least improved). > > I've been running a service netif restart wlan0 / service wpa_supplicant > restart wlan0 in a loop over the morning and not hit the fw crash myself > anymore. > > There is at least one more bug lingering (likely currently mitigated by > other code; I have a local assert which got triggered once in the above > testing loop)) which I'll try to sort out the next 48 hours but any testing > now will be highly appreciated also for the upcoming 14.0-R. > > If I can get any positive feedback I'll feel more at ease merging it all > to stable/14 and stable/13. Feedback best here or on your open PR or the current "tracking" PR [1]. [1] https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274003 In case you wonder about the other problem; seems to be related to removing the node from net80211 (node_reclaim -> node_free). I'll let you know when that is fixed. Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x20:0xffffffff80cf17a1 stack pointer = 0x28:0xfffffe009076e9b0 frame pointer = 0x28:0xfffffe009076e9c0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 6700 (wpa_supplicant) rdi: fffffe00ac7c9000 rsi: fffff80001059050 rdx: 0000000000000002 rcx: fffffe008ca59c80 r8: fffff801433af948 r9: 0000000021268000 rax: deadc0dedeadc0de rbx: fffffe00ac7c9000 rbp: fffffe009076e9c0 r10: 0000000000000000 r11: 0000000000010000 r12: fffffe00ac7c9000 r13: fffffe00ac5c3638 r14: deadc0dedeadc0de r15: fffffe00ac5bd000 trap number = 9 panic: general protection fault cpuid = 0 time = 1696062479 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe009076e6f0 vpanic() at vpanic+0x132/frame 0xfffffe009076e820 panic() at panic+0x43/frame 0xfffffe009076e880 trap_fatal() at trap_fatal+0x40c/frame 0xfffffe009076e8e0 calltrap() at calltrap+0x8/frame 0xfffffe009076e8e0 --- trap 0x9, rip = 0xffffffff80cf17a1, rsp = 0xfffffe009076e9b0, rbp = 0xfffffe009076e9c0 --- node_free() at node_free+0x11/frame 0xfffffe009076e9c0 ieee80211_sta_join1() at ieee80211_sta_join1+0xbf/frame 0xfffffe009076ea10 ieee80211_sta_join() at ieee80211_sta_join+0x427/frame 0xfffffe009076ea60 ieee80211_ioctl_setmlme() at ieee80211_ioctl_setmlme+0x104/frame 0xfffffe009076eb00 ieee80211_ioctl_set80211() at ieee80211_ioctl_set80211+0x5ce/frame 0xfffffe009076eb70 ieee80211_ioctl() at ieee80211_ioctl+0x327/frame 0xfffffe009076ebe0 ifioctl() at ifioctl+0x940/frame 0xfffffe009076ecd0 kern_ioctl() at kern_ioctl+0x286/frame 0xfffffe009076ed30 sys_ioctl() at sys_ioctl+0x152/frame 0xfffffe009076ee00 amd64_syscall() at amd64_syscall+0x14f/frame 0xfffffe009076ef30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe009076ef30 --- syscall (54, FreeBSD ELF64, ioctl), rip = 0xf5284d980fa, rsp = 0xf5282168fd8, rbp = 0xf5282169030 --- KDB: enter: panic [ thread pid 6700 tid 100110 ] Stopped at kdb_enter+0x32: movq $0,0xe2a6a3(%rip) -- Bjoern A. Zeeb r15:7
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