kernel panic happen when use MC7430 and HW12D modem at same time

[dailijin]

Hi Bjorn,


I can't get the log now, only can provide the lsusb log as below.
tvupack TVUTransporter # lsusb -t -v
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 2: Dev 3, If 0, Class=Communications, Driver=cdc_ether, 480M
        |__ Port 2: Dev 3, If 1, Class=CDC Data, Driver=cdc_ether, 480M
        |__ Port 5: Dev 4, If 0, Class=Printer, Driver=usblp, 480M
        |__ Port 6: Dev 5, If 0, Class=Hub, Driver=hub/7p, 480M
            |__ Port 1: Dev 7, If 0, Class=Hub, Driver=hub/7p, 480M
                |__ Port 5: Dev 8, If 0, Class=Vendor Specific Class, Driver=ftdi_sio, 12M
                |__ Port 6: Dev 9, If 0, Class=Vendor Specific Class, Driver=rt2800usb, 480M
                |__ Port 7: Dev 10, If 0, Class=Vendor Specific Class, Driver=rt2800usb, 480M
            |__ Port 2: Dev 11, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 2: Dev 11, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 2: Dev 11, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 2: Dev 11, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 2: Dev 11, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 3: Dev 12, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 3: Dev 12, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 3: Dev 12, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 3: Dev 12, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 3: Dev 12, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 4: Dev 13, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 4: Dev 13, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 4: Dev 13, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 4: Dev 13, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 4: Dev 13, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 5: Dev 14, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 5: Dev 14, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 5: Dev 14, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 5: Dev 14, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 5: Dev 14, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 6: Dev 15, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 6: Dev 15, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 6: Dev 15, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 6: Dev 15, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 6: Dev 15, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 7: Dev 16, If 0, Class=Vendor Specific Class, Driver=, 480M
            |__ Port 7: Dev 16, If 2, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 7: Dev 16, If 3, Class=Vendor Specific Class, Driver=GobiSerial, 480M
            |__ Port 7: Dev 16, If 8, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
            |__ Port 7: Dev 16, If 10, Class=Vendor Specific Class, Driver=qmi_wwan, 480M
        |__ Port 7: Dev 6, If 0, Class=Communications, Driver=cdc_acm, 12M
        |__ Port 7: Dev 6, If 1, Class=CDC Data, Driver=cdc_acm, 12M





--

Best Regards,
Dai,Lijin



在 2017-01-12 15:35:19，"Bjørn Mork" <bjorn at mork.no> 写道：
>Post the oops.and enough context to see what's going in.
>
>Using multiple different or similar modems at the same time should not be a problem until you hit the max number of usbmisc devices.
>
>
>
>Bjørn
>
>On January 12, 2017 6:27:46 AM CET, dailijin <dailijin126 at 126.com> wrote:
>>My kernel version is kernel 3.8,  use qmi_wwan driver. I have merged
>>related driver logic. HW12D use cdc_ether driver. this cause issue
>>happen.
>>
>>
>>If I only use GobiNet driver instead of qmi_wwan,  this issue go away.
>>
>>
>>But I still want to use libqmi, so who can help me on this issue?
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>--
>>
>>Best Regards,
>>Dai,Lijin
>>
>>At 2017-01-12 13:23:22, "dailijin" <dailijin126 at 126.com> wrote:
>>
>>Hi guys,
>>
>>
>>Is there someone encounter this issue? the environment when issue
>>happen as below:
>>3 * MC7430 with SIM card
>>3 * MC7430 without SIM cacrd
>>2 * HW12D modem with no SIM card
>>
>>
>>
>>
>>
>>--
>>
>>Best Regards,
>>Dai,Lijin
>>
>>
>>
>>
>> 
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