Date: Thu, 30 Apr 2009 10:08:18 -0700 From: Sam Leffler <sam@freebsd.org> To: Lars Engels <lars.engels@0x20.net> Cc: freebsd-stable@freebsd.org Subject: Re: cbb related panic: resource_list_release: resource entry is not busy Message-ID: <49F9DB02.3010405@freebsd.org> In-Reply-To: <20090430093818.mt1r5q7v48gkwswo@0x20.net> References: <20090430093818.mt1r5q7v48gkwswo@0x20.net>
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Lars Engels wrote:
> 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
> /usr/src/sys/dev/ath/if_ath_pci.c:222
> #7 0xc0809378 in device_detach (dev=0xc5957e80) at device_if.h:212
> #8 0xc058de4d in cardbus_detach_card (cbdev=0xc5667100) at
> /usr/src/sys/dev/cardbus/cardbus.c:236
> #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
>
>
> Lars
>
> P.S.: Please keep me CC'ed. I am not subscribed to this list.
>
known issue; there's a PR for it; unlikely to get fixed for 7.2 (imo)
Sam
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