Date: Sat, 10 Aug 2013 18:44:58 +0400 From: Lev Serebryakov <lev@FreeBSD.org> To: Adrian Chadd <adrian@freebsd.org> Cc: freebsd-wireless@freebsd.org Subject: Re: r254093 wi-fi related instability Message-ID: <444161433.20130810184458@serebryakov.spb.ru> In-Reply-To: <CAJ-Vmon9jZweNPNJ27m5d0z_JEaRzEmErPO7ky=eFJQqcU1DzA@mail.gmail.com> References: <402688630.20130809131517@serebryakov.spb.ru> <CAJ-Vmon9jZweNPNJ27m5d0z_JEaRzEmErPO7ky=eFJQqcU1DzA@mail.gmail.com>
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Hello, Adrian.
You wrote 9 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2013 =D0=B3., 18:12:=
11:
AC> Hm! Interesting! Yes, please get me some panic information.
CABOOM!
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0x0
fault code =3D supervisor read data, page not present
instruction pointer =3D 0x20:0xffffffff802ef251
stack pointer =3D 0x28:0xffffff812205f850
frame pointer =3D 0x28:0xffffff812205f8c0
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 (ath0 taskq)
trap number =3D 12
panic: page fault
cpuid =3D 1
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xffffff812205f=
400
kdb_backtrace() at kdb_backtrace+0x39/frame 0xffffff812205f4b0
panic() at panic+0x155/frame 0xffffff812205f530
trap_fatal() at trap_fatal+0x37a/frame 0xffffff812205f590
trap_pfault() at trap_pfault+0x257/frame 0xffffff812205f630
trap() at trap+0x454/frame 0xffffff812205f790
calltrap() at calltrap+0x8/frame 0xffffff812205f790
--- trap 0xc, rip =3D 0xffffffff802ef251, rsp =3D 0xffffff812205f850, rbp =
=3D 0xffffff812205f8c0 ---
ath_transmit() at ath_transmit+0x2e1/frame 0xffffff812205f8c0
ieee80211_vap_pkt_send_dest() at ieee80211_vap_pkt_send_dest+0x236/frame 0x=
ffffff812205f910
ieee80211_vap_transmit() at ieee80211_vap_transmit+0x1e9/frame 0xffffff8122=
05f950
pwrsave_flushq() at pwrsave_flushq+0x19f/frame 0xffffff812205f9a0
hostap_input() at hostap_input+0x8a9/frame 0xffffff812205fa30
ath_rx_pkt() at ath_rx_pkt+0x3fa/frame 0xffffff812205faa0
ath_rx_proc() at ath_rx_proc+0x290/frame 0xffffff812205fb30
taskqueue_run_locked() at taskqueue_run_locked+0xe6/frame 0xffffff812205fb80
taskqueue_thread_loop() at taskqueue_thread_loop+0xa8/frame 0xffffff812205f=
bb0
fork_exit() at fork_exit+0x75/frame 0xffffff812205fbf0
fork_trampoline() at fork_trampoline+0xe/frame 0xffffff812205fbf0
--- trap 0, rip =3D 0, rsp =3D 0xffffff812205fcb0, rbp =3D 0 ---
Unfortunately, it is NanoBSD-based system, so here ate no debugging
sysmbols or kernel core :(
--=20
// Black Lion AKA Lev Serebryakov <lev@FreeBSD.org>
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