<div dir="ltr">Looking through the directory, there is a peer symlink called <i>peer</i> inside the symlink <i>port@ </i><div><i><br></i></div><div><div style=""><font face="monospace, monospace">[root]# ls -al port</font></div><div style=""><font face="monospace, monospace">lrwxrwxrwx 1 root root 0 Jan 23 16:58 port -> ../3-0:1.0/usb3-port3/</font></div><div><br></div><div><div><font face="monospace, monospace">[root]# ls -al port/peer</font></div><div><font face="monospace, monospace">lrwxrwxrwx 1 root root 0 Jan 23 17:03 port/peer -> ../../../usb4/4-0:1.0/usb4-port3/</font></div></div><div><font face="monospace, monospace"><br></font></div><div><font face="arial, helvetica, sans-serif">--</font></div><div><font face="arial, helvetica, sans-serif">Paul</font></div><div><br></div><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On 23 January 2018 at 15:17, Paul Gildea <span dir="ltr"><<a href="mailto:gildeap@tcd.ie" target="_blank">gildeap@tcd.ie</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Bj<span style="font-size:12.8px;white-space:nowrap">ørn,</span><div><span style="font-size:12.8px;white-space:nowrap"><br></span></div><div><span style="font-size:12.8px;white-space:nowrap">Checked that now and no peer file exists in </span><span style="font-size:12.8px">/sys/bus/usb/devices/2-2/. </span><span style="font-size:12.8px"><wbr>I don't know what a peer port is so need to look into that.</span></div><div><span style="font-size:12.8px"><br></span></div><div><span style="font-size:12.8px"><br></span></div><div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">2-2:1.0/ bMaxPacketSize0 devpath quirks</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">2-2:1.10/ bMaxPower driver@ removable</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">2-2:1.2/ bNumConfigurations ep_00/ remove</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">2-2:1.3/ bNumInterfaces idProduct serial</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">2-2:1.8/ bcdDevice idVendor speed</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">authorized bmAttributes ltm_capable subsystem@</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">avoid_reset_quirk busnum manufacturer uevent</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">bConfigurationValue configuration maxchild urbnum</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">bDeviceClass descriptors port@ version</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">bDeviceProtocol dev power/</font></span></blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><span style="font-size:12.8px"><font face="monospace, monospace">bDeviceSubClass devnum product</font></span></blockquote><div><br></div><div> </div></div><div><span style="font-size:12.8px">--</span></div><div><span style="font-size:12.8px">Paul</span></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On 23 January 2018 at 15:02, Bjørn Mork <span dir="ltr"><<a href="mailto:bjorn@mork.no" target="_blank">bjorn@mork.no</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Ouch. Do you have a<br>
<br>
/sys/bus/usb/devices/2-2/<wbr>port/peer<br>
<br>
symlink when the modem is running normally?<br>
<br>
<br>
<br>
Bjørn<br>
<div><div class="m_-4925038727494675794h5"><br>
Paul Gildea <<a href="mailto:gildeap@tcd.ie" target="_blank">gildeap@tcd.ie</a>> writes:<br>
<br>
> Hi Aleksander,<br>
><br>
> Sorry about the delay being able to test this. I saw you applied Bjørn's<br>
> patch to 1.18.2 and 1.20.0. I tested 1.18.2 now and unfortunately it didn't<br>
> work. Same result as before with the applicationnot recognising the USB2<br>
> port, rebooting and recognising USB3 port.<br>
><br>
> [23 Jan 2018, 15:34:09] [Debug] [qfu,utils] operating mode set<br>
>> successfully...<br>
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested<br>
>> successfully...<br>
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] cleaning up QMI device...<br>
>> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Releasing 'dms' client<br>
>> with flags 'none'...<br>
>> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Unregistered 'dms' client<br>
>> with ID '2'<br>
>> rebooting in download mode...<br>
>> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested, now waiting<br>
>> for TTY device...<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB10<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB11<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.0<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.2<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB12<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.3<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan6<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm6<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.8<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan7<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm7<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.10<br>
>> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2<br>
>> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1<br>
>> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1:1.0<br>
>><br>
</div></div>>> *[23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add ttyUSB10[23 Jan<br>
>> 2018, 15:34:58] [Debug] [qfu-udev] event: remove ttyUSB10*<br>
<div><div class="m_-4925038727494675794h5">>> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1:1.0<br>
>> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.3<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.8<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.2<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm6<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.0<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.10<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm7<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add ttyUSB12<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] waiting device (tty) matched:<br>
>> ttyUSB12<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-updater] TTY device found:<br>
>> /dev/ttyUSB12<br>
>> download mode detected<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] opening TTY: /dev/ttyUSB12<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] setting terminal in raw<br>
>> mode...<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu,dload-message] sent sdp:<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >> 70:00:00 [3, unframed]<br>
>> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >> 7E:70:00:00:14:46:7E<br>
>> [7]<br>
>> error: error creating device: timed out waiting for the response<br>
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB10<br>
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan6<br>
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB11<br>
>> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan7<br>
>> [root@Desk /]#<br>
><br>
><br>
><br>
> [ 794.874702] usb 2-2: USB disconnect, device number 8<br>
>> [ 794.874986] qcserial ttyUSB10: Qualcomm USB modem converter now<br>
>> disconnected from ttyUSB10<br>
>> [ 794.874999] qcserial 2-2:1.0: device disconnected<br>
>> [ 794.875190] qcserial ttyUSB11: Qualcomm USB modem converter now<br>
>> disconnected from ttyUSB11<br>
>> [ 794.875203] qcserial 2-2:1.2: device disconnected<br>
>> [ 794.875571] qcserial ttyUSB12: Qualcomm USB modem converter now<br>
>> disconnected from ttyUSB12<br>
>> [ 794.875581] qcserial 2-2:1.3: device disconnected<br>
>> [ 794.875652] qmi_wwan 2-2:1.8 wwan6: unregister 'qmi_wwan'<br>
>> usb-0000:00:14.0-2, WWAN/QMI device<br>
>> [ 794.882022] qmi_wwan 2-2:1.10 wwan7: unregister 'qmi_wwan'<br>
>> usb-0000:00:14.0-2, WWAN/QMI device<br>
>> [ 795.579657] usb 1-1: new high-speed USB device number 7 using xhci_hcd<br>
>> [ 795.744560] usb 1-1: New USB device found, idVendor=1199, idProduct=9070<br>
>> [ 795.744564] usb 1-1: New USB device strings: Mfr=1, Product=2,<br>
>> SerialNumber=3<br>
>> [ 795.744566] usb 1-1: Product: Sierra Wireless MC7455 Qualcomm<br>
>> [ 795.744568] usb 1-1: Manufacturer: Sierra Wireless, Incorporated<br>
>> [ 795.744570] usb 1-1: SerialNumber: LQ71474252031020<br>
>> [ 795.745059] qcserial 1-1:1.0: Qualcomm USB modem converter detected<br>
>><br>
>><br>
</div></div>>> *[ 795.745136] usb 1-1: Qualcomm USB modem converter now attached to<br>
<span>>> ttyUSB10[ 825.374390] usb 1-1: USB disconnect, device number 7[<br>
>> 825.374668] qcserial ttyUSB10: Qualcomm USB modem converter now<br>
</span>>> disconnected from ttyUSB10*<br>
<div class="m_-4925038727494675794HOEnZb"><div class="m_-4925038727494675794h5">>> [ 825.374680] qcserial 1-1:1.0: device disconnected<br>
><br>
><br>
><br>
> Regards,<br>
><br>
> --<br>
> Paul<br>
><br>
> On 17 January 2018 at 16:59, Paul Gildea <<a href="mailto:gildeap@tcd.ie" target="_blank">gildeap@tcd.ie</a>> wrote:<br>
><br>
>> Hi Aleksander,<br>
>><br>
>> Sure thing, I'll get back to you with the results when I can.<br>
>><br>
>> Looks good! Thanks guys,<br>
>><br>
>> --<br>
>> Paul<br>
>><br>
>> On 17 January 2018 at 16:45, Aleksander Morgado <<a href="mailto:aleksander@aleksander.es" target="_blank">aleksander@aleksander.es</a>><br>
>> wrote:<br>
>><br>
>>> Hey Paul,<br>
>>><br>
>>> On Wed, Jan 17, 2018 at 3:02 PM, Bjørn Mork <<a href="mailto:bjorn@mork.no" target="_blank">bjorn@mork.no</a>> wrote:<br>
>>> > Modems operating in USB3 SuperSpeed mode may change to<br>
>>> > USB2 HighSpeed mode while in boot-and-hold. This changes<br>
>>> > the USB port name, causing device matching failure.<br>
>>> ><br>
>>> > Fix by accepting matches on both the original USB(3) port and<br>
>>> > the "peer" USB(2) port.<br>
>>> ><br>
>>><br>
>>> Any chance you can give this patch a try?<br>
>>><br>
>>> --<br>
>>> Aleksander<br>
>>> <a href="https://aleksander.es" rel="noreferrer" target="_blank">https://aleksander.es</a><br>
>>><br>
>><br>
>><br>
</div></div></blockquote></div><br></div>
</div></div></blockquote></div><br></div>