From: Luke Nowakowski-Krijger <email@example.com> To: firstname.lastname@example.org Cc: email@example.com, firstname.lastname@example.org, email@example.com, firstname.lastname@example.org, email@example.com Subject: Deferring xhci primary roothub registration Date: Mon, 4 Apr 2022 09:38:39 -0700 [thread overview] Message-ID: <firstname.lastname@example.org> (raw) Hello, There have been some users using Ubuntu 5.4 based kernels with certain intel xHCI controllers that are experiencing USB devices not being detected during boot . This problem seems to have been reintroduced after the patchset that deferred primary roothub registration to address device enumeration before xHC is running was reverted due to regressions . My question is if there has been any efforts to reintroduce these patches or any other fixes that I am not aware of to address the original problem ? There seem to have been many bug fixes addressing the problems referenced in the original regression report  to do with this patch series, is there anything in the way of reintroducing these patches? From only looking at the mailing list discussions and various bug reports, I still am not exactly sure what the problems with these patches were in the first place. Anyways, these things seem pretty tricky and I would appreciate any insight on the matter :) Thanks, - Luke  https://email@example.com/  https://firstname.lastname@example.org/  https://bugzilla.kernel.org/show_bug.cgi?id=214021  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1939638  https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1945211
next reply other threads:[~2022-04-04 21:25 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-04-04 16:38 Luke Nowakowski-Krijger [this message] 2022-04-07 16:48 ` Mathias Nyman
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