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Re: kern/52526: Panic on "ifconfig athn0 down"

The following reply was made to PR kern/52526; it has been noted by GNATS.

From: Nick Hudson <>
Subject: Re: kern/52526: Panic on "ifconfig athn0 down"
Date: Tue, 5 Sep 2017 08:51:22 +0100

 On 09/04/17 18:50, Andreas Gustafsson wrote:
 >> Number:         52526
 >> Category:       kern
 >> Synopsis:       Panic on "ifconfig athn0 down"
 >> I'm trying to get a USB WiFi adapter to work on a NetBSD-current/i386 system,
 >> without much success.  At one point during the process I entered the command
 >> "ifconfig athn0 down", and the machine paniced as follows:
 >>    (gdb) where
 >>    #0  0xc011dd95 in maybe_dump (howto=260) at /bracket/prod/current/src/sys/arch/i386/i386/machdep.c:708
 >>    #1  cpu_reboot (howto=howto@entry=260, bootstr=bootstr@entry=0x0) at /bracket/prod/current/src/sys/arch/i386/i386/machdep.c:729
 >>    #2  0xc092c540 in vpanic (fmt=fmt@entry=0xc0f526ce "trap", ap=ap@entry=0xd9570b08 "\220\vW\331\220\vW\331\001") at /bracket/prod/current/src/sys/kern/subr_prf.c:342
 >>    #3  0xc092c5ca in panic (fmt=fmt@entry=0xc0f526ce "trap") at /bracket/prod/current/src/sys/kern/subr_prf.c:258
 >>    #4  0xc012063f in trap (frame=0xd9570b90) at /bracket/prod/current/src/sys/arch/i386/i386/trap.c:325
 >>    #5  0xc0116f5f in alltraps ()
 >>    #6  0xd9570b90 in ?? ()
 >>    #7  0xc0392a46 in usb_transfer_complete (xfer=xfer@entry=0xc2867624) at /bracket/prod/current/src/sys/dev/usb/usbdi.c:941
 Can you print the whole xfer from here, please?

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