On Fri, 2012-11-23 at 14:54 -0500, Adam Tauno Williams wrote:
I have a laptop with a Gobi 2000 wireless modem. The qcserial module is automatically loaded at boot but the device appears to be inoperative [no response to commands via minicom and /dev/ttyUSB0]. I'm told this device was working with a previous install, but it isn't working now [it was reinstalled]. Thoughts / suggestions?
Baffling. If I hook-up the SSD that was previously in this device and examine the log files I see - Sep 27 18:32:14 linux kernel: [ 3.303648] usbcore: registered new interface driver qcserial Sep 27 18:32:14 linux kernel: [ 3.303672] USB Serial support registered for Qualcomm USB modem Sep 27 18:32:14 linux kernel: [ 3.305245] qcserial 1-5:1.1: Qualcomm USB modem converter detected Sep 27 18:32:14 linux kernel: [ 3.305360] usb 1-5: Qualcomm USB modem converter now attached to ttyUSB0 Sep 27 18:32:14 linux kernel: [ 3.307537] qcserial 1-5:1.2: Qualcomm USB modem converter detected Sep 27 18:32:14 linux kernel: [ 3.307810] usb 1-5: Qualcomm USB modem converter now attached to ttyUSB1 Sep 27 18:32:14 linux kernel: [ 3.309392] qcserial 1-5:1.3: Qualcomm USB modem converter detected Sep 27 18:32:14 linux kernel: [ 3.309549] usb 1-5: Qualcomm USB modem converter now attached to ttyUSB2 But it doesn't seem to have any GOBI stuff or special firmware installed; but the device looks like it was operational. And I see mentions of - Sep 27 14:41:55 linux ifdown[5093]: wwan0 name: HP un2420 Mobile Broadband Module - which is a device I don't see at all following the reinstall.
Bus 001 Device 004: ID 03f0:241d Hewlett-Packard Gobi 2000 Wireless Modem (QDL mode) - qcserial 12868 1 usb_wwan 20410 1 qcserial usbserial 47315 4 qcserial,usb_wwan - [ 15.345361] EDAC MC: Ver: 2.1.0 [ 15.346360] usbcore: registered new interface driver qcserial [ 15.346411] USB Serial support registered for Qualcomm USB modem [ 15.346446] qcserial 1-5:1.1: Qualcomm USB modem converter detected [ 15.346580] usb 1-5: Qualcomm USB modem converter now attached to ttyUSB0
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