On Sun, Apr 14, 2024 at 02:18:03PM -0700, Guenter Roeck wrote: > Hi Greg, > > On Sun, Apr 14, 2024 at 08:09:39AM +0200, Greg Kroah-Hartman wrote: > > On Sat, Apr 13, 2024 at 07:11:57AM -0700, Guenter Roeck wrote: > > > Hi, > > > > > > On Thu, Apr 11, 2024 at 11:52:43AM +0200, Greg Kroah-Hartman wrote: > > > > This is the start of the stable review cycle for the 5.10.215 release. > > > > There are 294 patches in this series, all will be posted as a response > > > > to this one. If anyone has any issues with these being applied, please > > > > let me know. > > > > > > > > Responses should be made by Sat, 13 Apr 2024 09:53:55 +0000. > > > > Anything received after that time might be too late. > > > > > > > > The whole patch series can be found in one patch at: > > > > https://www.kernel.org/pub/linux/kernel/v5.x/stable-review/patch-5.10.215-rc1.gz > > > > or in the git tree and branch at: > > > > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-5.10.y > > > > and the diffstat can be found below. > > > > > > > > thanks, > > > > > > > > greg k-h > > > > > > > > ------------- > > > [ ... ] > > > > > > > > Oliver Neukum <oneukum@xxxxxxxx> > > > > usb: cdc-wdm: close race between read and workqueue > > > > > > > > > > Just in case it has not been reported yet: > > > > > > This patch is causing connection failures (timeouts) on all > > > Chromebooks using the cdc-wdm driver for cellular modems, with > > > all kernel branches where this patch has been applied. > > > Reverting it fixes the problem. > > > > > > I am copying some of the Google employees involved in identifying > > > the regression in case additional feedback is needed. > > > > Can you all respond to Oliver on the linux-usb list where this was > > originally submitted to work it out? This commit has been in the tree > > for almost a month now with no reported problems that I can see. > > > > Who knows, maybe only a certain type of usb cellular modems using cdc-wdm > is affected. Either case, the problem was found less than two days after > the stable tree merges into ChromeOS, and it took only about a week from > there to identify the offending patch. I think that was actually an amazing > job, given the size of those merges and because the failure is not absolute > but results in unreliable tests due to timeouts. It is an amazing job, and I wasn't trying to be snarky, I was trying to say that "that's odd, normally usb problems are found very quickly by lots of people and you should let the author know about this as there's nothing I can do about it through this stable report". I see the post on linux-usb now, thanks. greg k-h