Bug 425794

Summary:	usb devices often not recognized
Product:	[KDE Neon] neon	Reporter:	Duns <web>
Component:	general	Assignee:	Neon Bugs <neon-bugs>
Status:	RESOLVED NOT A BUG
Severity:	normal	CC:	jr, nate, neon-bugs, sitter
Priority:	NOR
Version:	unspecified
Target Milestone:	---
Platform:	Neon
OS:	Linux
Latest Commit:		Version Fixed In:

Description Duns 2020-08-25 19:18:39 UTC

SUMMARY


STEPS TO REPRODUCE
1. attach o detach an usb device


OBSERVED RESULT
the system does't see the device attached or detached

EXPECTED RESULT
the system should notice that an usb device is being attached or detached

SOFTWARE/OS VERSIONS

Linux/KDE Plasma: KDE Neon

Operating System: KDE neon 5.19
KDE Plasma Version: 5.19.4
KDE Frameworks Version: 5.73.0
Qt Version: 5.14.2
Kernel Version: 5.4.0-42-generic
OS Type: 64-bit
Processors: 2 × Intel® Core™ i3-7100 CPU @ 3.90GHz
Memory: 7,7 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 630

ADDITIONAL INFORMATION
this problem arose after upgrading KDE Neon to 20.04.1

Comment 1 Nate Graham 2020-08-25 21:56:55 UTC

What kind of device?

Comment 2 Duns 2020-08-26 04:23:04 UTC

usb drives.
I add that the system *often* (not *always*) don't recognize usb drives

Comment 3 Duns 2020-08-26 13:36:26 UTC

I add also that dvd as well are sometimes not recognized.

Comment 4 Nate Graham 2020-08-26 15:38:55 UTC

Thanks.

Comment 5 Duns 2020-09-11 11:47:06 UTC

this the dmesg message when I plugged an usb device

[34920.208183] usb 1-6: New USB device found, idVendor=2207, idProduct=0011, bcdDevice= 3.10
[34920.208184] usb 1-6: New USB device strings: Mfr=2, Product=3, SerialNumber=4
[34920.208185] usb 1-6: Product: Likebook-T80D
[34920.208186] usb 1-6: Manufacturer: Boyue
[34920.208186] usb 1-6: SerialNumber: CNBT80D20190800067
[34920.212703] nvidia-nvlink: Unregistered the Nvlink Core, major device number 236
[34920.276552] nvidia-nvlink: Nvlink Core is being initialized, major device number 236
[34920.276752] NVRM: No NVIDIA graphics adapter found!
[34920.287002] nvidia-nvlink: Unregistered the Nvlink Core, major device number 236
[34920.340239] nvidia-nvlink: Nvlink Core is being initialized, major device number 236

Comment 6 Duns 2020-09-11 13:11:56 UTC

SOLVED: removed nvidia driver. So it was not a bug! I had removed a grapgica card nvidia geforce, but drivers were still there, and were the cause of the problem.
Thank you