Date: Fri, 11 Oct 2013 18:14:16 +0200 From: =?utf-8?Q?Peter_Ankerst=C3=A5l?= <peter@pean.org> To: Adrian Chadd <adrian@freebsd.org> Cc: FreeBSD Net <freebsd-net@freebsd.org> Subject: Re: kern/182665: [wlan] Kernel panic when creating second wlandev. Message-ID: <D3D89B32-04EF-43E1-A3B7-9A3940402AF9@pean.org> In-Reply-To: <CAJ-Vmo=p15yo2749%2BH3vR5NpgzbWORJnx6dEDYxZHCP_XF0SpA@mail.gmail.com> References: <201310091810.r99IA3mS098467@freefall.freebsd.org> <CAJ-VmomMsq8EnaDgkhvOM2aRagnDKsR6jrt6tsm6hr5d_9kV=g@mail.gmail.com> <193DD662-CB03-412F-A170-AD28BA67C612@pean.org> <CAJ-VmokmDnGy7wMh6AYBpu414tqDBmcuu4f=7qfBJZs7YM7qSA@mail.gmail.com> <5257A8AC.40703@pean.org> <CAJ-Vmo=p15yo2749%2BH3vR5NpgzbWORJnx6dEDYxZHCP_XF0SpA@mail.gmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Its a hostap. (What im trying to do is to set up a legacy 2.4GHz network on t=
he other interface)
> On 11 okt 2013, at 17:20, Adrian Chadd <adrian@freebsd.org> wrote:
>=20
> what's wlan0 setup as?
>=20
>=20
>=20
> -a
>=20
>=20
>> On 11 October 2013 00:28, Peter Ankerst=C3=A5l <peter@pean.org> wrote:
>> Hi!
>>=20
>> Here is a new crash.
>>=20
>> I have wlan0 set up with ath0 as wlandev and then when I run:
>>=20
>> # ifconfig wlan1 create wlanmode hostap wlandev ath1
>>=20
>>=20
>> the machine crashes with this message:
>>=20
>> Oct 11 09:25:00 gw syslogd: kernel boot file is /boot/kernel/kernel
>> Oct 11 09:25:00 gw kernel:
>> Oct 11 09:25:00 gw kernel:
>> Oct 11 09:25:00 gw kernel: Fatal trap 12: page fault while in kernel mode=
>> Oct 11 09:25:00 gw kernel: cpuid =3D 1; apic id =3D 01
>> Oct 11 09:25:00 gw kernel: fault virtual address =3D 0x0
>> Oct 11 09:25:00 gw kernel: fault code =3D supervisor read, page=
not present
>> Oct 11 09:25:00 gw kernel: instruction pointer =3D 0x20:0xc0800600
>> Oct 11 09:25:00 gw kernel: stack pointer =3D 0x28:0xe8d879=
e0
>> Oct 11 09:25:00 gw kernel: frame pointer =3D 0x28:0xe8d879=
e8
>> Oct 11 09:25:00 gw kernel: wlan1: Ethernet address: b0:48:7a:d5:fe:a2
>> Oct 11 09:25:00 gw kernel: code segment =3D base 0x0, limit 0xfff=
ff, type 0x1b
>> Oct 11 09:25:00 gw kernel: =3D DPL 0, pres 1, def32 1, gran 1
>> Oct 11 09:25:00 gw kernel: processor eflags =3D interrupt enabled, re=
sume, IOPL =3D 0
>> Oct 11 09:25:00 gw kernel: current process =3D 2968 (bsnmpd)=
>> Oct 11 09:25:00 gw kernel: trap number =3D 12
>> Oct 11 09:25:00 gw kernel: panic: page fault
>> Oct 11 09:25:00 gw kernel: cpuid =3D 1
>> Oct 11 09:25:00 gw kernel: KDB: stack backtrace:
>> Oct 11 09:25:00 gw kernel: #0 0xc078bfc2 at kdb_backtrace+0x52
>> Oct 11 09:25:00 gw kernel: #1 0xc07567f1 at panic+0x121
>> Oct 11 09:25:00 gw kernel: #2 0xc0a4ffb9 at trap_fatal+0x339
>> Oct 11 09:25:00 gw kernel: #3 0xc0a5024a at trap_pfault+0x27a
>> Oct 11 09:25:00 gw kernel: #4 0xc0a4fa46 at trap+0x5a6
>> Oct 11 09:25:00 gw kernel: #5 0xc0a3a20c at calltrap+0x6
>> Oct 11 09:25:00 gw kernel: #6 0xc083f635 at ieee80211_ioctl_getstainfo+0x=
55
>> Oct 11 09:25:00 gw kernel: #7 0xc083b244 at ieee80211_ioctl_get80211+0x43=
4
>> Oct 11 09:25:00 gw kernel: #8 0xc08650b8 at in_control+0x228
>> Oct 11 09:25:00 gw kernel: #9 0xc080df53 at ifioctl+0x1943
>> Oct 11 09:25:00 gw kernel: #10 0xc07a7d5c at soo_ioctl+0x30c
>> Oct 11 09:25:00 gw kernel: #11 0xc07a0b4b at kern_ioctl+0x19b
>> Oct 11 09:25:00 gw kernel: #12 0xc07a0969 at sys_ioctl+0xe9
>> Oct 11 09:25:00 gw kernel: #13 0xc0a50823 at syscall+0x363
>> Oct 11 09:25:00 gw kernel: #14 0xc0a3a271 at Xint0x80_syscall+0x21
>>=20
>>=20
>>=20
>>> On 10/11/2013 12:31 AM, Adrian Chadd wrote:
>>> what's the backtrace from the kernel crash?
>>>=20
>>> That's a bit odd.. :-)
>>>=20
>>>=20
>>>=20
>>> -adiran
>>>=20
>>>=20
>>>=20
>>> On 10 October 2013 11:38, Peter Ankerst=C3=A5l <peter@pean.org
>>> <mailto:peter@pean.org>> wrote:
>>>=20
>>> Sorry, had to rebuild kernel with debug symbols.
>>>=20
>>> Heres the output:
>>>=20
>>> (kgdb) list *0xc0800110
>>> 0xc0800110 is in jenkins_hash32
>>> (/usr/src/sys/libkern/jenkins_hash.c:177).
>>> 172 switch(length) /* all the case
>>> statements fall through */
>>> 173 {
>>> 174 case 3 : c+=3Dk[2];
>>> 175 case 2 : b+=3Dk[1];
>>> 176 case 1 : a+=3Dk[0];
>>> 177 final(a,b,c);
>>> 178 case 0: /* case 0: nothing left to add */
>>> 179 break;
>>> 180 }
>>> 181 /*------------------------------------------------------
>>> report the result */
>>>=20
>>>=20
>>> On Oct 9, 2013, at 11:18 PM, Adrian Chadd <adrian@freebsd.org
>>> <mailto:adrian@freebsd.org>> wrote:
>>>=20
>>> > Hi,
>>> >
>>> > Is there a backtrace for this? Iv'e not seen this before.
>>> >
>>> >
>>> > -adrian
>=20
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?D3D89B32-04EF-43E1-A3B7-9A3940402AF9>