<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Hi, so no one here have an idea about these line ? Mar 10 11:57:17 wan049htz kernel: [ 4574.899202] qmi_wwan 1-4.4:1.10: nonzero urb status received: -71 Mar 10 11:57:17 wan049htz kernel: [ 4574.899492] qmi_wwan 1-4.4:1.10: wdm_int_callback - 0 bytes Mar 10 11:57:17 wan049htz kernel: [ 4574.995226] qmi_wwan 1-4.4:1.10: nonzero urb status received: -71 Mar 10 11:57:17 wan049htz kernel: [ 4574.995511] qmi_wwan 1-4.4:1.10: wdm_int_callback - 0 bytes <div id="htmlPreviewSquare" class="bg-white p-3 div-preview"> when using this commande line : qmicli -d /dev/cdc-wdm1 --wds-start-network=apn='free',username='free',password='free' --client-no-release-cid ' Regards, Nicolas </div> <div class="moz-cite-prefix">Le 06/03/2020 à 09:56, Nicolas RENAULT a écrit : </div> <blockquote type="cite" cite="mid:038e4c20-2491-5e7f-7d40-49bb31f0896b@mediactivegroup.com"> <pre class="moz-quote-pre" wrap="">Hi, Le 06/03/2020 à 09:38, Aleksander Morgado a écrit : </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">Hey, </pre> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">I have a problem : * Debian stretch / kernel 4.9.0.12 * Sierra Wireless, Incorporated MC7304 * libqmi 1.22.6 when launching connections : Loading profile at /etc/qmi-network.conf... APN: free APN user: free APN password: free qmi-proxy: no Checking data format with 'qmicli -d /dev/cdc-wdm1 --wda-get-data-format '... [06 Mar 2020, 07:53:15] -Warning ** [/dev/cdc-wdm1] requested auto mode but no MBIM QMUX support available Device link layer protocol retrieved: 802-3 Getting expected data format with 'qmicli -d /dev/cdc-wdm1 --get-expected-data-format'... [06 Mar 2020, 07:53:15] -Warning ** [/dev/cdc-wdm1] requested auto mode but no MBIM QMUX support available Expected link layer protocol retrieved: 802-3 Device and kernel link layer protocol match: 802-3 Starting network with 'qmicli -d /dev/cdc-wdm1 --wds-start-network=apn='free',username='free',password='free',ip-type=4 --client-no-release-cid '... [06 Mar 2020, 07:53:15] -Warning ** [/dev/cdc-wdm1] requested auto mode but no MBIM QMUX support available [06 Mar 2020, 07:53:22] -Warning ** Error reading from istream: Error reading from file descriptor: No such device error: operation failed: operation failed and couldn't be aborted: Cannot write message: Error writing to file descriptor: No such device Saving state at /tmp/qmi-network-state-cdc-wdm1... (CID: 9) error: network start failed, no packet data handle [06 Mar 2020, 07:54:00] -Warning ** [/dev/cdc-wdm1] requested auto mode but no MBIM QMUX support available error: couldn't release client: QMI protocol error (3): 'Internal' Clearing state at /tmp/qmi-network-state-cdc-wdm1... I deploy libqmi on lot of the same hardware but got problem on the two last installation. I think the main events is "Error reading from istream: Error reading from file descriptor: No such device" </pre> </blockquote> <pre class="moz-quote-pre" wrap="">Yes that is the main event. This totally looks like the device reboots itself for some reason? Can you run "dmesg -w" while you run the test to see if the device goes away and comes back? </pre> </blockquote> <pre class="moz-quote-pre" wrap="">during the ifup , on dmesg [ 5470.976648] qmi_wwan 1-4.4:1.10: nonzero urb status received: -71 [ 5470.976938] qmi_wwan 1-4.4:1.10: wdm_int_callback - 0 bytes [ 5471.072679] qmi_wwan 1-4.4:1.10: nonzero urb status received: -71 [ 5471.072963] qmi_wwan 1-4.4:1.10: wdm_int_callback - 0 bytes [ 5471.168718] qmi_wwan 1-4.4:1.10: nonzero urb status received: -71 [ 5471.169004] qmi_wwan 1-4.4:1.10: wdm_int_callback - 0 bytes [ 5471.170556] usb 1-4.4: USB disconnect, device number 11 [ 5471.171488] qcserial ttyUSB0: Qualcomm USB modem converter now disconnected from ttyUSB0 [ 5471.171598] qcserial 1-4.4:1.0: device disconnected [ 5471.172970] qcserial ttyUSB1: Qualcomm USB modem converter now disconnected from ttyUSB1 [ 5471.173078] qcserial 1-4.4:1.2: device disconnected [ 5471.174313] qcserial ttyUSB2: Qualcomm USB modem converter now disconnected from ttyUSB2 [ 5471.174422] qcserial 1-4.4:1.3: device disconnected [ 5471.174908] qmi_wwan 1-4.4:1.8 wwan0: unregister 'qmi_wwan' usb-0000:00:14.0-4.4, WWAN/QMI device [ 5471.202621] qmi_wwan 1-4.4:1.10 wwan1: unregister 'qmi_wwan' usb-0000:00:14.0-4.4, WWAN/QMI device error Warning ** Error reading from istream: Error reading from file descriptor: No such device [ 5482.373961] usb 1-4.4: new high-speed USB device number 12 using xhci_hcd [ 5482.474860] usb 1-4.4: config 1 has an invalid interface number: 8 but max is 5 [ 5482.474875] usb 1-4.4: config 1 has an invalid interface number: 10 but max is 5 [ 5482.474885] usb 1-4.4: config 1 has an invalid interface number: 11 but max is 5 [ 5482.474895] usb 1-4.4: config 1 has no interface number 1 [ 5482.474905] usb 1-4.4: config 1 has no interface number 4 [ 5482.474913] usb 1-4.4: config 1 has no interface number 5 [ 5482.475729] usb 1-4.4: New USB device found, idVendor=1199, idProduct=68c0, bcdDevice= 0.06 [ 5482.475744] usb 1-4.4: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 5482.475753] usb 1-4.4: Product: MC7304 [ 5482.475762] usb 1-4.4: Manufacturer: Sierra Wireless, Incorporated [ 5482.484238] qcserial 1-4.4:1.0: Qualcomm USB modem converter detected [ 5482.485152] usb 1-4.4: Qualcomm USB modem converter now attached to ttyUSB0 [ 5482.487081] qcserial 1-4.4:1.2: Qualcomm USB modem converter detected [ 5482.487251] usb 1-4.4: Qualcomm USB modem converter now attached to ttyUSB1 [ 5482.488371] qcserial 1-4.4:1.3: Qualcomm USB modem converter detected [ 5482.488529] usb 1-4.4: Qualcomm USB modem converter now attached to ttyUSB2 [ 5482.490115] qmi_wwan 1-4.4:1.8: cdc-wdm0: USB WDM device [ 5482.490566] qmi_wwan 1-4.4:1.8 wwan0: register 'qmi_wwan' at usb-0000:00:14.0-4.4, WWAN/QMI device, b6:a2:88:6d:70:90 [ 5482.491955] qmi_wwan 1-4.4:1.10: cdc-wdm1: USB WDM device [ 5482.492544] qmi_wwan 1-4.4:1.10 wwan1: register 'qmi_wwan' at usb-0000:00:14.0-4.4, WWAN/QMI device, b6:a2:88:6d:70:90 effective modem reboot I thinks. So now , what is "qmi_wwan 1-4.4:1.10: nonzero urb status received: -71" </pre> <blockquote type="cite"> <blockquote type="cite"> <pre class="moz-quote-pre" wrap="">Do I have the take care of "Warning ** [/dev/cdc-wdm1] requested auto mode but no MBIM QMUX support available". </pre> </blockquote> <pre class="moz-quote-pre" wrap="">No, you can ignore that. I think we should avoid printing that warning if MBIM support was not built in libqmi, it's very misleading. Again, just ignore that specific message. </pre> </blockquote> <pre class="moz-quote-pre" wrap="">regards, Nicolas. </pre> </blockquote> </body> </html>