Endless CAM messages with recent CURRENT

[Hans Petter Selasky]

Marcus,

Can you have a look at this?

--HPS

On Friday 14 January 2011 16:21:00 Rainer Hurling wrote:
> After looking around I had been able to localise the cause for the
> described messages, see below:
> 
> On 14.01.2011 10:07 (UTC+1), Rainer Hurling wrote:
> > Today I updated my 9.0-CURRENT system (amd64) to revision 199506: After
> > rebooting I get the following messages two times per second in an
> > endless run:
> > 
> > 
> > ---------------------------------------------
> > ...
> > Jan 14 09:37:47 krabat kernel: (sg1:umass-sim0:0:0:0):
> > cam_periph_release_locked: release 0xfffffe0009f41200 when refcount is
> > zero Jan 14 09:37:47 krabat kernel:
> > Jan 14 09:37:48 krabat kernel: (sg2:umass-sim0:0:0:1):
> > cam_periph_release_locked: release 0xfffffe0009f41100 when refcount is
> > zero Jan 14 09:37:48 krabat kernel:
> > ...
> > ---------------------------------------------
> 
> When turning off hald no more of these messages appear. hald is trying
> to poll the card reader, but it does not like this. So prohibiting the
> polling in /usr/local/share/hal/fdi/preprobe/20thirdparty/ solves my
> problem:
> 
> #cat 10-broken-usb-card-reader.fdi
> <?xml version="1.0" encoding="UTF-8"?>
> 
> <deviceinfo version="0.2">
>    <device>
> 
>      <!-- Generic STORAGE DEVICE 9744 -->
>      <match key="storage.bus" string="usb">
>        <!-- usb card reader Silverstone SST-FP35B doesn't like polling -->
>        <match key="@storage.originating_device:usb.vendor_id" int="0x05e3">
>          <match key="@storage.originating_device:usb.product_id"
> int="0x0716">
>            <merge key="storage.media_check_enabled"
> type="bool">false</merge>
>          </match>
>        </match>
>      </match>
> 
>    </device>
> </deviceinfo>
> 
> > sg1 and sg2 are devices from my front panel card reader Silverstone
> > SST-FP35B:
> > 
> > #camcontrol devlist
> > [..snip..]
> > <Generic STORAGE DEVICE 9744> at scbus6 target 0 lun 0 (sg1,pass3,da0)
> > <Generic STORAGE DEVICE 9744> at scbus6 target 0 lun 1 (sg2,pass4,da1)
> > 
> > 
> > Is it possible that the last changes in usb code (xhci) or in cam code
> > are responsible for this? Does anyone else observe this behaviour?
> 
> A more generic approach would be to integrate the polling info into
> /usr/local/share/hal/fdi/preprobe/10osvendor/20-broken-usb-sticks.fdi.
> Is anyone willing to integrate the code (.fdi file or some quirks) in
> the usb stuff?
> 
> 
> In that case Linux is offering some more info about this device:
> 
> #lssub
> Bus 002 Device 002: ID05e3:0716 Genesys Logic, Inc. USB2.0 Multislot
> Card Reader/Writer
> idVendor 0x05e3 Genesys Logic, Inc.
> 
> #usb-devices
> T: Bus=02 Lev=01 Prnt=01 Port=03 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
> D: Ver=2.00 Cls=00(>ifc ) Sub=00 Prot=00 MxPS=64 #Cfgs=  1
> P: Vendor=05e3 ProdID=0176 Rev=97.44
> S: Product=USB Storage
> S: SerialNumber=000000009744
> C: #Ifs= 1 Cfg#= 1 Atr=80 MxPwr=500mA
> I: If#= 0 Alt= 0 #EPs= 2 Cls=08(stor.) Sub=06 Prot=50 Driver=usb-storage
> 
> 
> Note, that the card reader from Benesys Logic is only one device of some
> more (firewire, eSATA, USB slots ...), which are provided from the
> 'Silverstone SST-FP35B' front panel access unit.
> 
> > Please let me know if you need more info or if I can test something.
> 
> Thanks in advance,
> Rainer Hurling
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