I had problems with my USB 3.5" hard disk case disconnecting randomly.
I found recommendation to turn off USB xHCI Handoff option in BIOS.
I also disabled USB autosuspend with `usbcore.autosuspend=-1` kernel
parameter (`GRUB_CMDLINE_LINUX_DEFAULT="..."` in /etc/default/grub, then
`sudo
This issue persists in Ubuntu 21.10.
My external USB drives get disconnected randomly.
Setting "XHCI Hand-off" in BIOS to Disabled *SOLVED* this problem for me.
It seems kernel/Ubuntu fails to handle USB properly when given control over it
by BIOS.
My kernel log:
Apr 22 23:57:43 phd kernel:
Can report today the same issue - this happened on my Asrock x300
running popos 20.04 LTS
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https://bugs.launchpad.net/bugs/1908894
Title:
USB controllers disconnects after
I've been having the same issue since building a new system a couple
months ago. The frequency is inconsistent, but rarely happens more than
once per day. Sometimes I'll lose my keyboard mid-sentence, and other
times I won't be able to unlock the system in the morning.
Oddly, my USB mouse (a
I experienced a similar issue twice during the last week with
Ubuntustudio running with kernel:
5.4.0-58-lowlatency #64-Ubuntu SMP PREEMPT Wed Dec 9 09:48:08 UTC 2020
x86_64 x86_64 x86_64 GNU/Linux
The system completely freezes and I have to press the reset button.
These are the journal
I had an initial talk on that question:
https://answers.launchpad.net/ubuntu/+question/694351
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https://bugs.launchpad.net/bugs/1908894
Title:
USB controllers disconnects
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