Re: [PATCH 5.10 000/294] 5.10.215-rc1 review

[Guenter Roeck]

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.

Guenter