Date: Sat, 03 Feb 2024 21:38:16 +0000 From: bugzilla-noreply@freebsd.org To: wireless@FreeBSD.org Subject: [Bug 274382] iwlwifi Invalid TXQ id Message-ID: <bug-274382-21060-Ou67ojPlFj@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-274382-21060@https.bugs.freebsd.org/bugzilla/> References: <bug-274382-21060@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D274382 --- Comment #17 from Bjoern A. Zeeb <bz@FreeBSD.org> --- Tracking myself: iwl_mvm_tx_mpdu:1204: fc 0x00b0 tid 8 txq_id 65535 mvm 0xfffffe00b09dc448 s= kb 0xfffff80001b59000 { len 30 } info 0xfffffe000edf5ce8 sta 0xfffff8002320f080 (if you see this please report to PR 274382) [1357.633531] Invalid TXQ id iwlwifi0: lkpi_sta_a_to_a:1531: lvif 0xfffffe00b0d7b000 vap 0xfffffe00b0d7b= 010 iv_bss 0xfffffe00b1e20000 lvif_bss 0xfffff8002320f000 lvif_bss->ni 0xfffffe00b1176000 synched 0 iwlwifi0: lkpi_iv_newstate: error 95 during state transition 2 (AUTH) -> 2 (AUTH) Fatal trap 9: general protection fault while in kernel mode cpuid =3D 1; apic id =3D 01 instruction pointer =3D 0x20:0xffffffff80cf7991 stack pointer =3D 0x28:0xfffffe00909efd00 frame pointer =3D 0x28:0xfffffe00909efd10 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 0 (iwlwifi0 net80211 t) rdi: fffffe00b1176000 rsi: fffff80001b5caf0 rdx: 0000000000000006 rcx: fffffe008ca59c80 r8: fffff80164d36b78 r9: 000000002320f000 rax: deadc0dedeadc0de rbx: fffffe00b1176000 rbp: fffffe00909efd10 r10: 0000000000000000 r11: 0000000000010000 r12: fffff8002320f000 r13: fffffe00b0d7bdc0 r14: deadc0dedeadc0de r15: fffffe00b09dc380 trap number =3D 9 panic: general protection fault cpuid =3D 1 time =3D 1706993398 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00909ef= a40 vpanic() at vpanic+0x135/frame 0xfffffe00909efb70 panic() at panic+0x43/frame 0xfffffe00909efbd0 trap_fatal() at trap_fatal+0x40f/frame 0xfffffe00909efc30 calltrap() at calltrap+0x8/frame 0xfffffe00909efc30 --- trap 0x9, rip =3D 0xffffffff80cf7991, rsp =3D 0xfffffe00909efd00, rbp = =3D 0xfffffe00909efd10 --- node_free() at node_free+0x11/frame 0xfffffe00909efd10 lkpi_sta_auth_to_scan() at lkpi_sta_auth_to_scan+0x27f/frame 0xfffffe00909e= fd80 lkpi_iv_newstate() at lkpi_iv_newstate+0x253/frame 0xfffffe00909efdf0 ieee80211_newstate_cb() at ieee80211_newstate_cb+0x2a4/frame 0xfffffe00909e= fe40 taskqueue_run_locked() at taskqueue_run_locked+0xab/frame 0xfffffe00909efec0 taskqueue_thread_loop() at taskqueue_thread_loop+0xd3/frame 0xfffffe00909ef= ef0 fork_exit() at fork_exit+0x82/frame 0xfffffe00909eff30 fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe00909eff30 --- trap 0xafafafaf, rip =3D 0xafafafafafafafaf, rsp =3D 0xafafafafafafafaf= , rbp =3D 0xafafafafafafafaf --- KDB: enter: panic [ thread pid 0 tid 100134 ] Stopped at kdb_enter+0x33: movq $0,0xe3a3e2(%rip) .. iv_nstate 0x1 SCAN iv_nstate_b 4 iv_nstate_n 0 [0] iv_nstates 0x2 AUTH _task 0xfffffe00b0d7b360 _args 192 [1] iv_nstates 0x2 AUTH _task 0xfffffe00b0d7b380 _args 192 [2] iv_nstates 0x2 AUTH _task 0xfffffe00b0d7b3a0 _args 192 [3] iv_nstates 0x1 SCAN _task 0xfffffe00b0d7b3c0 _args 1 [4] iv_nstates 0x2 AUTH _task 0xfffffe00b0d7b3e0 _args 192 [5] iv_nstates 0 INIT _task 0xfffffe00b0d7b400 _args 0 [6] iv_nstates 0 INIT _task 0xfffffe00b0d7b420 _args 3 [7] iv_nstates 0x1 SCAN _task 0xfffffe00b0d7b440 _args 0 .. Note the deadc0dedeadc0de in rax; from the log it looks like we did a bss swap; trying to send on auth still. Going A-A multiple times. The txq is= no longer valid (so likely was the sta. We try to free our local cache and it= is gone already in auth_to_scan. Need to find that missing ni reference (poss= ibly on the m->m_pkthdr.rcvif or our pkthdr cache? --=20 You are receiving this mail because: You are on the CC list for the bug.=
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