cbb related panic: resource_list_release: resource entry is not busy

Lars Engels lars.engels at 0x20.net
Thu Apr 30 07:38:20 UTC 2009

On 7.2-RC2 when I remove an Atheros wireless pccard causes the  
following panic:

Unread portion of the kernel message buffer:
panic: resource_list_release: resource entry is not busy
cpuid = 1
Uptime: 4m28s
Physical memory: 2019 MB
Dumping 138 MB: 123 107 91 75 59 43 (CTRL-C to abort)  (CTRL-C to  
abort)  27 (CTRL-C to abort)  (CTRL-C to abort)  11 (CTRL-C to abort)

(kgdb) bt
#0  doadump () at pcpu.h:196
#1  0xc07e25a7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:418
#2  0xc07e2879 in panic (fmt=Variable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3  0xc080b4b2 in resource_list_release (rl=0xc594a404,  
bus=0xc5667100, child=0xc5957e80, type=3, rid=16,
     res=0xc599fb00) at /usr/src/sys/kern/subr_bus.c:2797
#4  0xc080b647 in bus_generic_rl_release_resource (dev=0xc5667100,  
child=0xc5957e80, type=3, rid=16, r=0xc599fb00)
     at /usr/src/sys/kern/subr_bus.c:3365
#5  0xc080b157 in bus_release_resource (dev=0xc5957e80, type=3,  
rid=16, r=0xc599fb00) at bus_if.h:347
#6  0xc053bef2 in ath_pci_detach (dev=0xc5957e80) at  
#7  0xc0809378 in device_detach (dev=0xc5957e80) at device_if.h:212
#8  0xc058de4d in cardbus_detach_card (cbdev=0xc5667100) at  
#9  0xc0695bdc in cbb_event_thread (arg=0xc559d800) at card_if.h:95
#10 0xc07bd059 in fork_exit (callout=0xc0695a30 <cbb_event_thread>,  
arg=0xc559d800, frame=0xe57bfd38)
     at /usr/src/sys/kern/kern_fork.c:810
#11 0xc0ac9270 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:264


P.S.: Please keep me CC'ed. I am not subscribed to this list.

Lars Engels
E-Mail: lars.engels at 0x20.net
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