Am Montag, den 25.05.2020, 14:00 +0200 schrieb Jean Rene Dawin:
> Hi,
> 
> I use a Nokia 515 connected via USB as a UMTS modem for my PC:
> CPU0: Intel(R) Core(TM)2 Duo CPU     E8400  @ 3.00GHz (family: 0x6, model: 0x17, stepping: 0xa)
> 
> Output of lsusb -v -d for the device is attached.
> 
> The battery of the phone is old, and sometimes the phone just turns off.
> Up intil recently (before 5.6.10) turning on the phone again would restore the connection.
> 
> But roughly since commits 0afccd7601514c4b83d8cc58c740089cc447051d and/or  4e7279cd1d19f48f0af2a10ed020febaa9ac092 the kernel gets an Oops and eventually the system hangs.
> The behaviour is reproducible by taking out the battery from the phone during a connection.
> 
> Tested wtih 5.6.10, 5.6.14 and 5.7-rc6. The following dmesg output is from 5.7-rc6:

Hi,

it looks to me like I made a mistake in fixing the error handling for
some devices. Could you test the attached patch?

	Regards
		Oliver