New: go7007 driver fails to handle interrupt

https://bugzilla.kernel.org/show_bug.cgi?id=206427

            Bug ID: 206427
           Summary: go7007 driver fails to handle interrupt
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.3.18
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: USB
          Assignee: [email protected]
          Reporter: [email protected]
        Regression: No

Created attachment 287141
--> https://bugzilla.kernel.org/attachment.cgi?id=287141&action=edit
Kernel trace shown when error is reported.

When connecting a Plextor ConvertX M402U video converter, a "BOGUS urb xfer" is reported and a Call Trace is dumped.
I assume that the go7007 driver has not been fully supported in newer kernel versions as it definitely used to work in 2.x kernels!

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Can you provide the full kernel log message here please?

And can you try the 5.5 kernel, 5.3.y is old and obsolete.

thanks,

greg k-h

https://bugzilla.kernel.org/show_bug.cgi?id=206427

--- Comment #1 from Greg Kroah-Hartman ([email protected]) ---

Can you provide the full kernel log message here please?

And can you try the 5.5 kernel, 5.3.y is old and obsolete.

thanks,

greg k-h

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--- Comment #3 from Takashi Iwai ([email protected]) ---
FWIW, 5.5.y kernel is found in OBS Kernel:stable and Kernel:HEAD repos (both are equivalent at this moment).

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--- Comment #4 from Josef Möllers ([email protected]) --- Thanks. I'm just waiting for the build to finish, it's writing out the RPMs.

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--- Comment #5 from Josef Möllers ([email protected]) --- (In reply to Greg Kroah-Hartman from comment #1)

It took a while, but: Yes, the problem still exists in 5.5.1!

I'll atache the relevant part of the messages file.

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--- Comment #7 from Takashi Iwai ([email protected]) --- Could you give lsusb -v output of this device, too?

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--- Comment #8 from Takashi Iwai ([email protected]) ---
Also please give the whole dmesg output from the boot. hwinfo output would be helpful, too.

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--- Comment #9 from Josef Möllers ([email protected]) --- Created attachment 287159
--> https://bugzilla.kernel.org/attachment.cgi?id=287159&action=edit
lsusb -v output of device, dmesg and hwinfo

This is slightly different from what I remember:
In Ye Olde Days, the device would present itself as 093b:a002 and (through a udev rule), a script would be run which downloaded the firmware (through /sbin/fxload some hex file) to the device which would then disconnect and reconnect as 093b:a102.

Now I see in the journal that this is now handled by go7007-loader.ko loading /lib/firmware/go7007/px-m402u.fw!

Anyways ... infos attached.

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--- Comment #10 from Takashi Iwai ([email protected]) --- Yes, the firmware loading mechanism went to the kernel module.

The kernel warning seems fixed by correcting the urb properly like the patch below. I'll submit to upstream.

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--- Comment #11 from Takashi Iwai ([email protected]) --- Created attachment 287177
--> https://bugzilla.kernel.org/attachment.cgi?id=287177&action=edit
Fix patch

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