[PATCH] qmi-firmware-update: support USB3->USB2 mode changes during upgrade

Paul Gildea gildeap at tcd.ie
Tue Jan 23 17:37:06 UTC 2018 

Somewhat intuitively there was no peer port found in verbose mode:

qmi-firmware-update --update --verbose -w /dev/cdc-wdm6
/jffs2/flash/SWI9X30C_02.24.05.06.cwe /jffs2/flash/SWI9X30C_02.24.
05.06_VERIZON_002.034_000.nvu
[23 Jan 2018, 18:35:09] [Debug] [qfu-udev] sysfs path for 'cdc-wdm6' found:
/sys/devices/pci0000:00/0000:00:14.0/usb2/2-2
[23 Jan 2018, 18:35:09] [Debug] [qfu-utils] couldn't ping ModemManager:
GDBus.Error:org.freedesktop.DBus.Error.NameHasNoOwner: Name
"org.freedesktop.ModemManager1" does not exist
[23 Jan 2018, 18:35:09] [Debug] [qfu-image] loading file info...

On 23 January 2018 at 17:33, Paul Gildea <gildeap at tcd.ie> wrote:

> Whoops, when I sent the last email and there was a *'peer' *link inside
> port link, it pointed at  -> ../../../usb4/4-0:1.0/usb4-port3/) so I
> think I ended up in USB path 3-3 instead of 2-2 at some point.
> Checking 2-2 there is no such peer file inside port for some reason.
>
> --
> Paul
>
> On 23 January 2018 at 17:04, Bjørn Mork <bjorn at mork.no> wrote:
>
>> I believe that is how it is supposed to look.  But is there a 'peer'
>> link in the /sys/bus/usb/devices/2-2/port directory?  And does it point
>> to usb1/1-0:1.0/usb1-port1?
>>
>> I think I have to read up on these peer ports too... So far I've just
>> observed and made assumptions, which might very well be completely
>> bogus.
>>
>>
>> Bjørn
>>
>> Paul Gildea <gildeap at tcd.ie> writes:
>>
>> > Looking through the directory, there is a peer symlink called *peer*
>> inside
>> > the symlink *port@ *
>> >
>> > [root]# ls -al port
>> > lrwxrwxrwx    1 root     root             0 Jan 23 16:58 port ->
>> > ../3-0:1.0/usb3-port3/
>> >
>> > [root]# ls -al port/peer
>> > lrwxrwxrwx    1 root     root             0 Jan 23 17:03 port/peer ->
>> > ../../../usb4/4-0:1.0/usb4-port3/
>> >
>> > --
>> > Paul
>> >
>> >
>> >
>> > On 23 January 2018 at 15:17, Paul Gildea <gildeap at tcd.ie> wrote:
>> >
>> >> Hi Bjørn,
>> >>
>> >> Checked that now and no peer file exists in /sys/bus/usb/devices/2-2/.
>> I
>> >> don't know what a peer port is so need to look into that.
>> >>
>> >>
>> >> 2-2:1.0/             bMaxPacketSize0      devpath              quirks
>> >>
>> >> 2-2:1.10/            bMaxPower            driver@
>> removable
>> >>
>> >> 2-2:1.2/             bNumConfigurations   ep_00/               remove
>> >>
>> >> 2-2:1.3/             bNumInterfaces       idProduct            serial
>> >>
>> >> 2-2:1.8/             bcdDevice            idVendor             speed
>> >>
>> >> authorized           bmAttributes         ltm_capable
>> subsystem@
>> >>
>> >> avoid_reset_quirk    busnum               manufacturer         uevent
>> >>
>> >> bConfigurationValue  configuration        maxchild             urbnum
>> >>
>> >> bDeviceClass         descriptors          port@                version
>> >>
>> >> bDeviceProtocol      dev                  power/
>> >>
>> >> bDeviceSubClass      devnum               product
>> >>
>> >>
>> >>
>> >> --
>> >> Paul
>> >>
>> >> On 23 January 2018 at 15:02, Bjørn Mork <bjorn at mork.no> wrote:
>> >>
>> >>> Ouch.  Do you have a
>> >>>
>> >>>  /sys/bus/usb/devices/2-2/port/peer
>> >>>
>> >>> symlink when the modem is running normally?
>> >>>
>> >>>
>> >>>
>> >>> Bjørn
>> >>>
>> >>> Paul Gildea <gildeap at tcd.ie> writes:
>> >>>
>> >>> > Hi Aleksander,
>> >>> >
>> >>> > Sorry about the delay being able to test this. I saw you applied
>> Bjørn's
>> >>> > patch to 1.18.2 and 1.20.0. I tested 1.18.2 now and unfortunately it
>> >>> didn't
>> >>> > work. Same result as before with the applicationnot recognising the
>> USB2
>> >>> > port, rebooting and recognising USB3 port.
>> >>> >
>> >>> > [23 Jan 2018, 15:34:09] [Debug] [qfu,utils] operating mode set
>> >>> >> successfully...
>> >>> >> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested
>> >>> >> successfully...
>> >>> >> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] cleaning up QMI
>> device...
>> >>> >> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Releasing 'dms'
>> client
>> >>> >> with flags 'none'...
>> >>> >> [23 Jan 2018, 15:34:09] [Debug] [/dev/cdc-wdm6] Unregistered 'dms'
>> >>> client
>> >>> >> with ID '2'
>> >>> >> rebooting in download mode...
>> >>> >> [23 Jan 2018, 15:34:09] [Debug] [qfu-updater] reset requested, now
>> >>> waiting
>> >>> >> for TTY device...
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB10
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB11
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.0
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.2
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove ttyUSB12
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.3
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan6
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm6
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.8
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove wwan7
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove cdc-wdm7
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2:1.10
>> >>> >> [23 Jan 2018, 15:34:27] [Debug] [qfu-udev] event: remove 2-2
>> >>> >> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1
>> >>> >> [23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add 1-1:1.0
>> >>> >>
>> >>> >> *[23 Jan 2018, 15:34:28] [Debug] [qfu-udev] event: add ttyUSB10[23
>> Jan
>> >>> >> 2018, 15:34:58] [Debug] [qfu-udev] event: remove ttyUSB10*
>> >>> >> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1:1.0
>> >>> >> [23 Jan 2018, 15:34:58] [Debug] [qfu-udev] event: remove 1-1
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.3
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.8
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.2
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm6
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.0
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add 2-2:1.10
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add cdc-wdm7
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] event: add ttyUSB12
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-udev] waiting device (tty)
>> >>> matched:
>> >>> >> ttyUSB12
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-updater] TTY device found:
>> >>> >> /dev/ttyUSB12
>> >>> >> download mode detected
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] opening TTY:
>> >>> /dev/ttyUSB12
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] setting terminal
>> in
>> >>> raw
>> >>> >> mode...
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu,dload-message] sent sdp:
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >> 70:00:00 [3,
>> >>> unframed]
>> >>> >> [23 Jan 2018, 15:35:07] [Debug] [qfu-qdl-device] >>
>> >>> 7E:70:00:00:14:46:7E
>> >>> >> [7]
>> >>> >> error: error creating device: timed out waiting for the response
>> >>> >> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB10
>> >>> >> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan6
>> >>> >> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add ttyUSB11
>> >>> >> [23 Jan 2018, 15:35:15] [Debug] [qfu-udev] event: add wwan7
>> >>> >> [root at Desk /]#
>> >>> >
>> >>> >
>> >>> >
>> >>> > [  794.874702] usb 2-2: USB disconnect, device number 8
>> >>> >> [  794.874986] qcserial ttyUSB10: Qualcomm USB modem converter now
>> >>> >> disconnected from ttyUSB10
>> >>> >> [  794.874999] qcserial 2-2:1.0: device disconnected
>> >>> >> [  794.875190] qcserial ttyUSB11: Qualcomm USB modem converter now
>> >>> >> disconnected from ttyUSB11
>> >>> >> [  794.875203] qcserial 2-2:1.2: device disconnected
>> >>> >> [  794.875571] qcserial ttyUSB12: Qualcomm USB modem converter now
>> >>> >> disconnected from ttyUSB12
>> >>> >> [  794.875581] qcserial 2-2:1.3: device disconnected
>> >>> >> [  794.875652] qmi_wwan 2-2:1.8 wwan6: unregister 'qmi_wwan'
>> >>> >> usb-0000:00:14.0-2, WWAN/QMI device
>> >>> >> [  794.882022] qmi_wwan 2-2:1.10 wwan7: unregister 'qmi_wwan'
>> >>> >> usb-0000:00:14.0-2, WWAN/QMI device
>> >>> >> [  795.579657] usb 1-1: new high-speed USB device number 7 using
>> >>> xhci_hcd
>> >>> >> [  795.744560] usb 1-1: New USB device found, idVendor=1199,
>> >>> idProduct=9070
>> >>> >> [  795.744564] usb 1-1: New USB device strings: Mfr=1, Product=2,
>> >>> >> SerialNumber=3
>> >>> >> [  795.744566] usb 1-1: Product: Sierra Wireless MC7455 Qualcomm
>> >>> >> [  795.744568] usb 1-1: Manufacturer: Sierra Wireless, Incorporated
>> >>> >> [  795.744570] usb 1-1: SerialNumber: LQ71474252031020
>> >>> >> [  795.745059] qcserial 1-1:1.0: Qualcomm USB modem converter
>> detected
>> >>> >>
>> >>> >>
>> >>> >> *[  795.745136] usb 1-1: Qualcomm USB modem converter now attached
>> to
>> >>> >> ttyUSB10[  825.374390] usb 1-1: USB disconnect, device number 7[
>> >>> >>  825.374668] qcserial ttyUSB10: Qualcomm USB modem converter now
>> >>> >> disconnected from ttyUSB10*
>> >>> >> [  825.374680] qcserial 1-1:1.0: device disconnected
>> >>> >
>> >>> >
>> >>> >
>> >>> > Regards,
>> >>> >
>> >>> > --
>> >>> > Paul
>> >>> >
>> >>> > On 17 January 2018 at 16:59, Paul Gildea <gildeap at tcd.ie> wrote:
>> >>> >
>> >>> >> Hi Aleksander,
>> >>> >>
>> >>> >> Sure thing, I'll get back to you with the results when I can.
>> >>> >>
>> >>> >> Looks good! Thanks guys,
>> >>> >>
>> >>> >> --
>> >>> >> Paul
>> >>> >>
>> >>> >> On 17 January 2018 at 16:45, Aleksander Morgado <
>> >>> aleksander at aleksander.es>
>> >>> >> wrote:
>> >>> >>
>> >>> >>> Hey Paul,
>> >>> >>>
>> >>> >>> On Wed, Jan 17, 2018 at 3:02 PM, Bjørn Mork <bjorn at mork.no>
>> wrote:
>> >>> >>> > Modems operating in USB3 SuperSpeed mode may change to
>> >>> >>> > USB2 HighSpeed mode while in boot-and-hold. This changes
>> >>> >>> > the USB port name, causing device matching failure.
>> >>> >>> >
>> >>> >>> > Fix by accepting matches on both the original USB(3) port and
>> >>> >>> > the "peer" USB(2) port.
>> >>> >>> >
>> >>> >>>
>> >>> >>> Any chance you can give this patch a try?
>> >>> >>>
>> >>> >>> --
>> >>> >>> Aleksander
>> >>> >>> https://aleksander.es
>> >>> >>>
>> >>> >>
>> >>> >>
>> >>>
>> >>
>> >>
>>
>
>
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