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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I am seeing some problems when using the Powerware 5115 UPS when connected to the Patsburg USB controller and would like to know if anyone has a solution.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The symptom is that PING messages sent to the bcmxcp_usb driver take as long as 25 seconds to complete.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The configuration is a Romley patform (a.k.a., Sandy Bridge + Patsburg) running Debian 6 with 2.6.39 kernel with NUT 2.6.4 in which the Powerware is connected via USB 2.0 to the Patsburg.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Of note is that the following messages are logged in syslog frequently.<o:p></o:p></p><p class=MsoNormal>2012-06-21T09:03:10.754413+00:00 (none) kernel: [ 8659.067243] usb 2-1.4: usbfs: USBDEVFS_CONTROL failed cmd bcmxcp_usb rqt 66 rq 13 len 4 ret -110<o:p></o:p></p><p class=MsoNormal>I believe that these indicate that the USB driver is timing out USB messages to the UPS.<br><br><o:p></o:p></p><p class=MsoNormal>The identical setup running on a Westmere + Tylersburg + ICH10R works fine but on that platform the USB connection is USB 1.1.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Rich Wrenn<o:p></o:p></p></div></body></html>