Date: Wed, 23 Apr 2008 21:55:28 +0200 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-questions@freebsd.org Cc: freebsd-net@freebsd.org Subject: rum driver panic [ was: Re: USB wireless AP? ] Message-ID: <fuo484$poi$1@ger.gmane.org> In-Reply-To: <200804231237.52953.lists@jnielsen.net> References: <fulfqf$grf$1@ger.gmane.org> <ea7b9c170804230120q6633a611t6d9f16f59df38341@mail.gmail.com> <funm9a$5bp$1@ger.gmane.org> <200804231237.52953.lists@jnielsen.net>
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John Nielsen wrote:
> On Wednesday 23 April 2008 11:57:28 am Ivan Voras wrote:
>> I've found a perfect match for my needs: D-Link DWL-G122, with the
>> "rum" driver. Not a single problem so far, everything works as
>> documented. Truly a plug and play experience.
>>
>> I'm just curious about one more thing: I wish to set up a "b/g"
>> network, so both b and g devices can connect. Apparently this is set u=
p
>> via the "mode" argument to ifconfig, which accepts "11g" and "11b" but=
>> not the obvious "11bg". Any pointers on this?
>=20
> You can either omit the "mode" argument altogether and get both support=
ed=20
> by default, or just specify "11g", which will also support both. I=20
> typically omit the mode unless I want to limit things to only 11b.
Thanks, I'll try that tomorrow. For now, it looks like my fun won't last =
long:
Unread portion of the kernel message buffer:
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0x12
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0xc053fd4a
stack pointer =3D 0x28:0xcc218be8
frame pointer =3D 0x28:0xcc218c00
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 25 (irq11: ohci0)
trap number =3D 12
panic: page fault
Uptime: 38m49s
Physical memory: 241 MB
Dumping 36 MB: 21 5
#0 doadump () at pcpu.h:195
195 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc05d0f53 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c=
:418
#2 0xc05d114f in panic (fmt=3DVariable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:572
#3 0xc07cf4fc in trap_fatal (frame=3D0xcc218ba8, eva=3D18) at=20
/usr/src/sys/i386/i386/trap.c:899
#4 0xc07cf780 in trap_pfault (frame=3D0xcc218ba8, usermode=3D0, eva=3D18=
) at=20
/usr/src/sys/i386/i386/trap.c:812
#5 0xc07d00d9 in trap (frame=3D0xcc218ba8) at=20
/usr/src/sys/i386/i386/trap.c:490
#6 0xc07b926b in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc053fd4a in rum_txeof (xfer=3D0xc1fcb000, priv=3D0xc20b7498,=20
status=3DUSBD_NORMAL_COMPLETION) at /usr/src/sys/dev/usb/if_rum.c:843
#8 0xc0559745 in usb_transfer_complete (xfer=3D0xc1fcb000) at=20
/usr/src/sys/dev/usb/usbdi.c:977
#9 0xc0542d79 in ohci_softintr (v=3D0xc1d37000) at=20
/usr/src/sys/dev/usb/ohci.c:1436
#10 0xc05552e2 in usb_schedsoftintr (bus=3D0xc1d37000) at=20
/usr/src/sys/dev/usb/usb.c:844
#11 0xc0544698 in ohci_intr1 (sc=3D0xc1d37000) at=20
/usr/src/sys/dev/usb/ohci.c:1194
#12 0xc0544e61 in ohci_intr (p=3D0xc1d37000) at=20
/usr/src/sys/dev/usb/ohci.c:1123
#13 0xc05b300b in ithread_loop (arg=3D0xc1d39220) at=20
/usr/src/sys/kern/kern_intr.c:1036
#14 0xc05afeb6 in fork_exit (callout=3D0xc05b2e60 <ithread_loop>,=20
arg=3D0xc1d39220, frame=3D0xcc218d38) at /usr/src/sys/kern/kern_fork.c:78=
3
#15 0xc07b92e0 in fork_trampoline () at=20
/usr/src/sys/i386/i386/exception.s:205
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