Date: Sun, 4 Sep 2005 15:33:10 +0200 From: Erik Winge <erik.winge@gmail.com> To: freebsd-current@freebsd.org Subject: Panic in ural/usbd Message-ID: <4cf221cc0509040633a2b6afc@mail.gmail.com>
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Hi,
I got a panic when restarting wpa_supplicant after my network connection hu=
ng:
killall wpa_supplicant; /usr/sbin/wpa_supplicant -B -i ural0 -P
/var/run/wpa_supplicant/ural0.pid -c /etc/wpa_supplicant.conf;
dhclient ural0
Unfortunately the info is copied down by hand, since my computer
refuses to save crash dumps.
Fatal trap 12: page fault while in kernel mode
fault virtual adress =3D 0x0
fault code =3D supervisor write, page not present
instruction pointer =3D 0x20:0xc046bf83
stack pointer =3D 0x28:0xd4fc9bd0
frame pointer =3D 0x28:0xd4fc9bd0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL=3D1
current process =3D 42 (usbtask)
[thread pid 42 tid 100046]
Stopped at usbd_setup_xfer+0x9: movl %edx,0(%eax)
trace:
usb_setup_xfer(0,0,c1665bb0,c1698000,3e) at usb_setup_xfer+0x9
ural_start(...) at ural_start+0x228
ieee80211_send_probereq(...) at ieee80211_send_probereq+0x1fd
ieee80211_newstate(...) at ieee80211_newstat+0x4ed
ural_task(...) at ural_task+0x55
usb_task_thread(...) at usb_task_thread+0x44
fork_exit(...) at fork_exit+0xa1
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip=3D0, esp =3D 0xd4fc9d6c, ebp =3D 0
Erik Winge
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