FS#60374 - [linux] Sierra Wireless EM7455 Qualcomm modem connects and disconnected in a loop
Attached to Project:
Arch Linux
Opened by Andrei Gherzan (agherzan) - Wednesday, 10 October 2018, 14:52 GMT
Last edited by Andreas Radke (AndyRTR) - Tuesday, 01 March 2022, 21:20 GMT
Opened by Andrei Gherzan (agherzan) - Wednesday, 10 October 2018, 14:52 GMT
Last edited by Andreas Radke (AndyRTR) - Tuesday, 01 March 2022, 21:20 GMT
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Details
Description:
After the last update, probably due to kernel (4.18.12-arch1-1-ARCH), Sierra Wireless EM7455 Qualcomm modem stopped working. It loops as it follows: [ 1218.416747] usb 1-2: new high-speed USB device number 106 using xhci_hcd [ 1218.558159] usb 1-2: New USB device found, idVendor=1199, idProduct=9078, bcdDevice= 0.00 [ 1218.558162] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1218.558164] usb 1-2: Product: Sierra Wireless EM7455 Qualcomm [ 1218.558165] usb 1-2: Manufacturer: Sierra Wireless, Incorporated [ 1218.558166] usb 1-2: SerialNumber: LF62075019041013 [ 1218.560446] qcserial 1-2:1.0: Qualcomm USB modem converter detected [ 1218.560917] usb 1-2: Qualcomm USB modem converter now attached to ttyUSB1 [ 1218.561551] usb 1-2: USB disconnect, device number 106 [ 1218.561722] qcserial ttyUSB1: Qualcomm USB modem converter now disconnected from ttyUSB1 [ 1218.561740] qcserial 1-2:1.0: device disconnected [ 1219.313713] usb 1-2: new high-speed USB device number 107 using xhci_hcd [ 1219.453918] usb 1-2: config 1 interface 0 altsetting 0 bulk endpoint 0x1 has invalid maxpacket 64 [ 1219.453932] usb 1-2: config 1 interface 0 altsetting 0 bulk endpoint 0x81 has invalid maxpacket 64 [ 1219.454558] usb 1-2: New USB device found, idVendor=1199, idProduct=9078, bcdDevice= 0.00 [ 1219.454571] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 1219.454579] usb 1-2: Product: Sierra Wireless EM7455 Qualcomm [ 1219.454587] usb 1-2: Manufacturer: Sierra Wireless, Incorporated [ 1219.454594] usb 1-2: SerialNumber: LF62075019041013 [ 1219.462168] usb 1-2: USB disconnect, device number 107 Additional info: * package version(s) modemmanager 1.8.2-1 networkmanager 1.14.1dev+13+g0d3234478-1 linux 4.18.12.arch1-1 * config and/or log files etc. Steps to reproduce: Run archlinux with a Sierra Wireless EM7455 Qualcomm modem attached. |
This task depends upon
Closed by Andreas Radke (AndyRTR)
Tuesday, 01 March 2022, 21:20 GMT
Reason for closing: Fixed
Additional comments about closing: No more reproducible. Assuming fixed upstream.
Tuesday, 01 March 2022, 21:20 GMT
Reason for closing: Fixed
Additional comments about closing: No more reproducible. Assuming fixed upstream.
Comment by mattia (nTia89) - Monday,
28 February 2022, 16:43 GMT
Comment by
Andrei Gherzan (agherzan) - Monday,
28 February 2022, 17:14 GMT
I cannot reproduce the issue. Is it still valid for you?
It is old enough to not be relevant for my setup anymore.