Re: uhci on cardbus error blocks shutdown

[Iain Hibbert <plunky%rya-online.net@localhost>]

On Tue, 24 Jun 2008, David Young wrote:

> On Sun, Jun 22, 2008 at 08:34:12PM +0100, Iain Hibbert wrote:
> > Hi,
> >
> > Just upgrading from a couple of months ago (4.99.62) to -current as of a
> > couple of days ago, I notice that the machine won't shutdown/reboot
> > properly.
> >
> > I have a bluetooth cardbus card that contains two UHCI controllers and a
> > bluetooth dongle all in one, shows up as:
> >
> *snip snip*
> >
> > when I try to shutdown the system, the disks are dismounted as normal
> > then I get:
> >
> > uhci1: host system error
> > uhci1: host controller process error
> > uhci1: host controller halted
> > uhci2: host system error
> > uhci2: host controller process error
> > uhci2: host controller halted
> >
> > and the machine just hangs.  I can break into DDB but there seems nothing
> > interesting in the backtrace (below) but if I eject the card then the halt
> > or reboot resumes. If this sounds familiar to anybody feel free to speak
> > up..
>
> What does ps/l say during the hang?

unmounting file systems... done
uhci1: host system error
uhci1: host controller process error
uhci1: host controller halted
uhci2: host system error
uhci2: host controller process error
uhci2: host controller halted
fatal breakpoint trap in supervisor mode
trap type 1 code 0 eip c0575ffc cs 8 eflags 202 cr2 bbb3abd4 ilevel 6
Stopped in pid 0.3 (system) at  netbsd:breakpoint+0x4:  popl    %ebp
db{0}> ps/l
 PID         LID S     FLAGS       STRUCT LWP *               NAME WAIT
 863           1 7         4           cbf8faa0             reboot
 1             1 3   8020084           ca5b5060               init wait
>0            41 3       204           cb8d6ca0            physiod physiod
              40 3       204           cb843a20        vmem_rehash vmem_rehash
              39 3       204           cb843c80           aiodoned aiodoned
              38 2       204           ca5b6080            ioflush
              37 3       204           ca5b62e0           pgdaemon pgdaemon
              36 3       204           ca5b5c40          cryptoret crypto_wait
              35 3       204           ca5b59e0          atapibus0 sccomp
              34 3       204           ca5b5780               usb2 usbevt
              33 3       204           ca5b3040               usb1 usbevt
              32 3       204           ca5b5520         usbtask-dr usbtsk
              31 3       204           ca5b52c0         usbtask-hc usbtsk
              30 3       204           ca5b6c60               usb0 usbevt
              29 3       204           ca5b6540            acpitz0 acpitz0
              28 3       204           ca5b67a0           acpibat1 acpibat1
              27 3       204           ca5b6a00           acpibat0 acpibat0
              18 3       204           ca5b32a0          cardslot1 cardslotev
              17 3       204           ca5b3500          cardslot0 cardslotev
              16 3       204           ca5b3760               iic0 iicintr
              15 3       204           ca5b39c0            atabus1 atath
              14 3       204           ca5b3c20            atabus0 atath
              13 3       204           ca5a9020               pms0 pmsreset
              12 3       204           ca5a9280               apm0 apmev
              11 2       204           ca5a94e0             sysmon
              10 3       204           ca5a9740           pmfevent pmfevent
               9 3       204           ca5a99a0            cachegc cachegc
               8 3       204           ca5a9c00              vrele vrele
               7 3       204           ca5a7000            xcall/0 xcall
               6 1       204           ca5a7260          softser/0
               5 1       204           ca5a74c0          softclk/0
               4 1       204           ca5a7720          softbio/0
           >   3 7       204           ca5a7980          softnet/0
               2 1       205           ca5a7be0             idle/0
               1 3       204           c0acbde0            swapper schedule
db{0}>

which means .. stuck in softnet?

iain