Date: Wed, 23 Jul 2003 22:18:37 -0400 From: Anish Mistry <mistry.7@osu.edu> To: freebsd-current@freebsd.org Subject: ums panic Message-ID: <200307232219.07475.mistry.7@osu.edu>
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After a fresh cvsup today, I was playing around with my mouse and managed t=
o=20
get a panic from ums. I loaded usb/ums from a kernel module, started usbd,=
=20
(mouse is working), unload ums, load ums -> panic so:
kldload ums
usbd
kldunload ums
kldload ums (panic)
The mouse was plugged in the entire time.
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
#1 0xc01e62e2 in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:3=
72
#2 0xc01e6617 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
#3 0xc0304406 in trap_fatal (frame=3D0xcd338ac8, eva=3D0)
at /usr/src/sys/i386/i386/trap.c:821
#4 0xc03040a2 in trap_pfault (frame=3D0xcd338ac8, usermode=3D0, eva=3D522)
at /usr/src/sys/i386/i386/trap.c:735
#5 0xc0303c65 in trap (frame=3D
{tf_fs =3D 24, tf_es =3D 16, tf_ds =3D 16, tf_edi =3D -1024395648, tf=
_esi =3D=20
=2D -1024395648, tf_ebp =3D -852260088, tf_isp =3D -852260108, tf_ebx =3D -=
842240968,=20
tf_edx =3D -1070073024, tf_ecx =3D -1015545712, tf_eax =3D 518, tf_trapno =
=3D 12,=20
tf_err =3D 0, tf_eip =3D -1015634330, tf_cs =3D 8, tf_eflags =3D 66054, tf_=
esp =3D=20
=2D -852260052, tf_ss =3D -1029324969}) at /usr/src/sys/i386/i386/trap.c:420
#6 0xc02f4df8 in calltrap () at {standard input}:102
#7 0xc2a5bf57 in ums_match (self=3D0x0) at /usr/src/sys/dev/usb/ums.c:176
#8 0xc01fece8 in DEVICE_PROBE (dev=3D0xc2f0f680) at device_if.h:22
#9 0xc01fcb28 in device_probe_child (dev=3D0x0, child=3D0xc2f0f680)
at /usr/src/sys/kern/subr_bus.c:1052
#10 0xc01fd32d in device_probe_and_attach (dev=3D0xc2f0f680)
at /usr/src/sys/kern/subr_bus.c:1435
#11 0xc01fdd9e in bus_generic_driver_added (dev=3D0xc2f0f680, driver=3D0x0)
at /usr/src/sys/kern/subr_bus.c:1859
#12 0xc01ff0af in BUS_DRIVER_ADDED (_dev=3D0xc327ab80, _driver=3D0x0)
at /usr/src/sys/kern/subr_bus.c:587
#14 0xc01fe835 in driver_module_handler (mod=3D0xc2a9c140, what=3D0,=20
arg=3D0xc2a5e440) at /usr/src/sys/kern/subr_bus.c:2273
#15 0xc01dcbe1 in module_register_init (arg=3D0xc2a5e458)
at /usr/src/sys/kern/kern_module.c:108
#16 0xc01d74c0 in linker_file_sysinit (lf=3D0x0)
at /usr/src/sys/kern/kern_linker.c:192
#17 0xc01d7811 in linker_load_file (filename=3D0xc2474500 "/boot/kernel/ums=
=2Eko",=20
result=3D0xcd338ca4) at /usr/src/sys/kern/kern_linker.c:357
#18 0xc01d9d67 in linker_load_module (kldname=3D0xc036a7f0 "=AF\2302=C0 =A7=
6=C0=C8",=20
modname=3D0xc2474500 "/boot/kernel/ums.ko", parent=3D0x0, verinfo=3D0x0=
,=20
lfpp=3D0xcd338cd0) at /usr/src/sys/kern/kern_linker.c:1670
#19 0xc01d82f3 in kldload (td=3D0xc245fbe0, uap=3D0x0)
at /usr/src/sys/kern/kern_linker.c:773
#20 0xc03046d3 in syscall (frame=3D
{tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 47, tf_edi =3D 0, tf_esi =3D -=
1077937308,=20
tf_ebp =3D -1077937352, tf_isp =3D -852259468, tf_ebx =3D 0, tf_edx =3D 134=
576680,=20
tf_ecx =3D 0, tf_eax =3D 304, tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D 13=
4513967,=20
tf_cs =3D 31, tf_eflags =3D 531, tf_esp =3D -1077937396, tf_ss =3D 47})
at /usr/src/sys/i386/i386/trap.c:1008
#21 0xc02f4e4d in Xint0x80_syscall () at {standard input}:144
=2D --=20
Anish Mistry
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