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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Hans de Goede <hdegoede@redhat.com>
Cc: stable@vger.kernel.org, Kishon Vijay Abraham I <kishon@ti.com>
Subject: Re: 5.14.14+ USB regression caused by "usb: core: hcd: Add support for deferring roothub registration" series
Date: Wed, 3 Nov 2021 18:45:02 +0100	[thread overview]
Message-ID: <YYLKngiZxyqARmvL@kroah.com> (raw)
In-Reply-To: <9e1abe71-d903-f227-38ae-a854ab9e5baf@redhat.com>

On Wed, Nov 03, 2021 at 01:48:11PM +0100, Hans de Goede wrote:
> Hi,
> 
> On 11/3/21 10:07, Greg Kroah-Hartman wrote:
> > On Wed, Nov 03, 2021 at 10:02:52AM +0100, Hans de Goede wrote:
> >> Hi Greg,
> >>
> >> We (Fedora) have been receiving multiple reports about USB devices stopping
> >> working starting with 5.14.14 .
> >>
> >> An Arch Linux user has found that reverting the first 2 patches from this series:
> >> https://lore.kernel.org/all/20210909064200.16216-1-kishon@ti.com/
> >>
> >> Fixes things (the 3th patch is just some mostly unrelated refactoring/cleanup).
> >>
> >> See here for the Arch-linux discussion surrounding this:
> >> https://bbs.archlinux.org/viewtopic.php?pid=2000956#p2000956
> >>
> >> And here are 2 Fedora bug reports of Fedora users being unable to use their
> >> machines due their mouse + kbd not working:
> >>
> >> https://bugzilla.redhat.com/show_bug.cgi?id=2019542
> >> https://bugzilla.redhat.com/show_bug.cgi?id=2019576
> >>
> >> Can we get this patch-series reverted from the 5.14.y releases please ?
> > 
> > Sure,
> 
> Thanks.
> 
> > but can you also submit patches to get into 5.15.y and 5.16-rc1
> > that revert these changes as they should still be an issue there, right?
> 
> Yes I assume this is still an issue there too, but I was hoping that
> Kishon can take a look and maybe actually fix things, since just
> reverting presumably regresses whatever these patches were addressing.
> 
> We've aprox 1-3 weeks before distros like Arch and Linux will switch
> to 5.15.y kernels.  So we have some time to come up with a fix
> there, where as for 5.14.y this is hitting users now.

I've reverted them from all stable kernels for now.  Unless this gets
figured out by 5.16-rc1, I will revert it from there then as well.

thanks,

greg k-h

  parent reply	other threads:[~2021-11-03 17:45 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-03  9:02 Hans de Goede
2021-11-03  9:07 ` Greg Kroah-Hartman
2021-11-03 12:48   ` Hans de Goede
2021-11-03 14:44     ` Kishon Vijay Abraham I
2021-11-03 14:59       ` Alan Stern
2021-11-03 23:54         ` Mathias Nyman
2021-11-15 22:05           ` Mathias Nyman
2021-11-03 17:45     ` Greg Kroah-Hartman [this message]
2021-11-05  7:57   ` Greg Kroah-Hartman

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