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From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Guenter Roeck <linux@roeck-us.net>
Cc: stable <stable@vger.kernel.org>, Sasha Levin <sashal@kernel.org>
Subject: Re: Regressions in stable releases
Date: Thu, 5 Aug 2021 18:19:15 +0200	[thread overview]
Message-ID: <YQwPg1VQZTyPSkXe@kroah.com> (raw)
In-Reply-To: <efee3a58-a4d2-af22-0931-e81b877ab539@roeck-us.net>

On Thu, Aug 05, 2021 at 09:11:02AM -0700, Guenter Roeck wrote:
> Hi folks,
> 
> we have (at least) two severe regressions in stable releases right now.
> 
> [SHAs are from linux-5.10.y]
> 
> 2435dcfd16ac spi: mediatek: fix fifo rx mode
> 	Breaks SPI access on all Mediatek devices for small transactions
> 	(including all Mediatek based Chromebooks since they use small SPI
> 	 transactions for EC communication)
> 
> 60789afc02f5 Bluetooth: Shutdown controller after workqueues are flushed or cancelled
> 	Breaks Bluetooth on various devices (Mediatek and possibly others)
> 	Discussion: https://lkml.org/lkml/2021/7/28/569

Are either of these being tracked on the regressions list?  I have not
noticed them being reported there, or on the stable list :(

> Unfortunately, it appears that all our testing doesn't cover SPI and Bluetooth.
> 
> I understand that upstream is just as broken until fixes are applied there.
> Still, it shows that our test coverage is far from where it needs to be,
> and/or that we may be too aggressive with backporting patches to stable
> releases.
> 
> If you have an idea how to improve the situation, please let me know.

We need to get tests running in kernelci on real hardware, that's going
to be much more helpful here.

thanks,

greg k-h

  reply	other threads:[~2021-08-05 16:19 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-05 16:11 Regressions in stable releases Guenter Roeck
2021-08-05 16:19 ` Greg Kroah-Hartman [this message]
2021-08-05 17:39   ` Guenter Roeck
2021-08-05 17:43     ` Greg Kroah-Hartman
2021-08-05 19:44       ` Guenter Roeck
2021-08-05 19:51         ` Greg Kroah-Hartman
2021-08-05 16:42 ` Willy Tarreau
2021-08-05 17:29   ` Guenter Roeck
2021-08-05 18:30     ` Willy Tarreau
2021-08-06 14:16       ` Guenter Roeck
2021-08-06 14:42         ` Willy Tarreau
2021-08-06 14:37       ` Sasha Levin
2021-08-06 14:52         ` Willy Tarreau

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