<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">On Apr 4, 2015, at 7:19 PM, Richard Flint <<a href="mailto:richard.flint@gmail.com">richard.flint@gmail.com</a>> wrote:<br><div><br class="Apple-interchange-newline"><blockquote type="cite"><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">More extensive debugging by running the driver sudo ./nutdrv_qx -u root -a MY_UPS -DDDDDD indicates the driver works normally then will randomly stop working at stop "send: QS". The debug logs show values successfully retrieved repeatedly until something like:</div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">....</div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div>Quick update...</div><div>send: QS</div><div>read: (247.9 239.1 248.0 005 50.0 27.5 --.- 00001001</div><div>update_status: OL</div><div>update_status: !LB</div><div>update_status: !CAL</div><div>update_status: !FSD</div><div>upsdrv_updateinfo...</div><div>Quick update...</div><div>send: QS</div></div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">(driver hangs here)</div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><br></div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;">I'm using Generic Q* USB/Serial driver 0.06 (2.7.2) with USB communication driver 0.32. Playing with pollinterval didn't help - Is there anything further I can do to help troubleshoot this problem?</div></blockquote><div><br class="Apple-interchange-newline"></div><div>Thanks, this narrows it down a good deal.</div><div><br></div><div>@zykh made some changes to nutdrv_qx since the 2.7.2 release, but at first glance, I don't think those will alter the symptoms you are seeing.</div><div><br></div><div>Can you provide some detail on the libusb port that you built against? If it is derived from the original <a href="http://sourceforge.net">sourceforge.net</a> libusb-0.1, does it have a USB_DEBUG environment variable that can be set to log extra information? </div><div><br></div><div>Also, is it possible to do a system call trace to figure out what libusb and the OS are doing at the time of the hang? It's been a while since I last used Solaris, but if memory serves, you could use something like truss to approximate what strace does on Linux.</div></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px;"><div>-- </div><div>Charles Lepple</div><div>clepple@gmail</div><div><br></div></span><br class="Apple-interchange-newline">
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