On Sat, May 04, 2013 at 06:22:14AM -0600, Stuart Henderson wrote:
> CVSROOT: /cvs
> Module name: src
> Changes by: st...@cvs.openbsd.org 2013/05/04 06:22:14
>
> Modified files:
> sys/dev/usb : uthum.c
>
> Log message:
> - remove unused DPRINTFN, simple DPRINTF is enough
> - sc_dying is unused, remove it and the uthum_activate() function
Removing uthum_activate() breaks the detach path:
uhidev0 at uhub2 port 1 configuration 1 interface 0 "Ten X Technology, Inc.
TEMPer sensor" rev 1.10/1.50 addr 2
uhidev0: iclass 3/1
uthum0 at uhidev0
uhidev1 at uhub2 port 1 configuration 1 interface 1 "Ten X Technology, Inc.
TEMPer sensor" rev 1.10/1.50 addr 2
uhidev1: iclass 3/0
uthum1 at uhidev1
uthum1: type ds75/12bit (temperature)
panic: config_detach: forced detach of uhidev0 failed (45)
Stopped at Debugger+0x4: popl %ebp
RUN AT LEAST 'trace' AND 'ps' AND INCLUDE OUTPUT WHEN REPORTING THIS PANIC!
IF RUNNING SMP, USE 'mach ddbcpu <#>' AND 'trace' ON OTHER PROCESSORS, TOO.
DO NOT EVEN BOTHER REPORTING THIS WITHOUT INCLUDING THAT INFORMATION!
ddb{0}> trace
Debugger(d09634e6,f5446e88,d0940380,f5446e88,d31ef880) at Debugger+0x4
panic(d0940380,d31ef894,2d,d0822722,d31d1400) at panic+0x5d
config_detach(d31ef880,1,d2fde520,d2fde520,d31ef780) at config_detach+0x332
usb_disconnect_port(d2fde520,d2feeb00,10,1,1) at usb_disconnect_port+0x60
uhub_explore(d2feea00,1,20,d0a1a98f,40) at uhub_explore+0x11d
usb_explore(d2fee980,20,d0a1a98f,0,d8fdd8b8) at usb_explore+0xcb
usb_task_thread(d8fdd8b8) at usb_task_thread+0xb1
Bad frame pointer: 0xd0c3ce28
ddb{0}>
