I fully agree on immediately rebasing 21.10 and 22.04. I hope that this
bug report helps to make sure that this happens.
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https://bugs.launchpad.net/bugs/1963555
Title:
xhci: Fix
You referenced the original report, patch, and promotion to Linux Next for
review. The new information is that the resolution for the issue you referenced
was reviewed and promoted by Greg KH from Linux Next to his queue for Linus
https://lore.kernel.org/all/yayq%2fxdb%2fphss7%...@kroah.com/ in
See also the kernel mailing list message from 26 November 2021:
https://lore.kernel.org/all/20211126122340.1193239-2-mathias.ny...@linux.intel.com/
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Well, yes, the message you linked does not contain any new information;
the two commits there (the one that introduced the bug and the one that
fixes it) are already mentioned here in the first message.
The intent of this bug report is to pull in the fixing bugfix from
upstream.
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This appears to be the resolution upstream:
https://lore.kernel.org/linux-usb/yay1eiy%2ff7ezp...@kroah.com/
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https://bugs.launchpad.net/bugs/1963555
Title:
xhci: Fix command ring
I have expected this to happen not just for USB input devices but for
all USB devices, like your external drives. I just don't have any other
devices at hand to verify.
For reference, here's a related question on AskUbuntu:
https://askubuntu.com/questions/1394480/keyboard-mouse-stop-working-
I have also experienced this upstream bug which causes the USB hubs to
drop all attached devices. This means that external drive devices all
disappear almost as quickly as they appear. Basically it's a show
stopper since I can't use my USB attached data drives at all any more.
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