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[2001:1c00:c1e:bf00:1054:9d19:e0f0:8214]) by smtp.gmail.com with ESMTPSA id oz13sm1132942ejc.65.2021.11.03.05.48.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 03 Nov 2021 05:48:12 -0700 (PDT) Message-ID: <9e1abe71-d903-f227-38ae-a854ab9e5baf@redhat.com> Date: Wed, 3 Nov 2021 13:48:11 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.2.0 Subject: Re: 5.14.14+ USB regression caused by "usb: core: hcd: Add support for deferring roothub registration" series Content-Language: en-US To: Greg Kroah-Hartman Cc: stable@vger.kernel.org, Kishon Vijay Abraham I References: <42bcbea6-5eb8-16c7-336a-2cb72e71bc36@redhat.com> From: Hans de Goede In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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. Regards, Hans