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Date:      Sat, 14 Mar 2009 17:02:33 -0400
From:      David Horn <dhorn2000@gmail.com>
To:        =?ISO-8859-1?Q?Olivier_Cochard=2DLabb=E9?= <olivier@freenas.org>
Cc:        freebsd-current@freebsd.org
Subject:   Re: Is iwn drivers working on Current ?
Message-ID:  <25ff90d60903141402l73f245c4ic739a32fc308bcd3@mail.gmail.com>
In-Reply-To: <3131aa530903140812o2ced55ffi46cb7bd475edf776@mail.gmail.com>
References:  <3131aa530903122323n73b671b5y4cb4a4a8896efa14@mail.gmail.com> <25ff90d60903130852p40e153a6hac10340e7eb9d876@mail.gmail.com> <3131aa530903131416j4928df70hc18c2b8cb97e8237@mail.gmail.com> <25ff90d60903132154p41d9fb7bx4723bde6dcccf17f@mail.gmail.com> <3131aa530903140812o2ced55ffi46cb7bd475edf776@mail.gmail.com>

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On Sat, Mar 14, 2009 at 11:12 AM, Olivier Cochard-Labb=E9
<olivier@freenas.org> wrote:
>> Will your wireless card function for you without the "country FR" settin=
g ?
>> Give it a try regardless of functionality, just to see if the error 35
>> goes away.
>
> You are right: removing "country FR" fix the problem: My wireless works n=
ow!

Good to hear.

>
> But, this create a second problem: Now my FreeBSD crash at startup,
> without generating a core file.
> The error message is (manualy write down) :
> Fatal trap 12: page fault while in kernel mode
> cpuid =3D 1; apic id =3D 01
> fault virtual address =3D 0x28
> fault code =3D supervisor read data, page not present
> instruction pointer =3D 0x8:0xffffffff8044b253
> stack pointer =3D 0x10:0xffffffffe4002ca20
> frame pointer =3D 0x10:0xffffffff.4002cb10
> code segment =3D base 0x0, limit 0xfffff, type 0x1b
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =3D DPL 0, pres 1, long 1, def32 =
0, gran 1
> processor eflags =3D interrrupts enabled, resume , IOPL =3D 0
> current process =3D 12 (swi4: clock)
> [thread pid 12 tid 100007 ]
> stopped at igmp_fasttimo+0x296: movl 0x28(%r14), %eax
>

Yes, this looks like the same as other reports of a panic in recent igmpv3 =
code.

See mesages with subject "IGMPv3 hot interface detach panics" and
"IGMP+WiFi panic on recent kernel - in igmp_fasttimo()" if you want
the details, or just wait a few more days, and I'm sure that a patch
will show up in CVS. ;)

> I need to reboot in single mode and comment the iwn0 configuration
> line in rc.conf for prevent to crash.
> But once booted, In can manually configure the iwn0 card without crash.
>
> I will fill a PR now :-)
>
> Thanks a lot for your help !
>

Not a problem.  I'm glad my problems ended up being useful to someone else =
;)

> Olivier
>



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