This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1869993
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1869993
Title:
Ubuntu 20.04 Desktop clean install:Plugging or unplugging usb freezes
entire system
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have the latest updates. I have noticed today that plugging or
unplugging a usb device while the computer is on freezes the whole
computer, keyboard/mouse are completly unresponsive.
While hunting for answers as to why this occurs I stumbled upon my
dmesg log stating
[ 13.356149] vboxdrv: module verification failed: signature and/or
required key missing - tainting kernel
and
[15265.066193] ata3.00: exception Emask 0x10 SAct 0x7e00 SErr 0x400000 action
0x6 frozen
[15265.066200] ata3.00: irq_stat 0x08000000, interface fatal error
[15265.066206] ata3: SError: { Handshk }
and
[15629.359098] ata3: limiting SATA link speed to 3.0 Gbps
it seems to be limiting my sata 3 to 3Mbps and running at 6Mbps.
Hope this helps.
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