APPLIED: [SRU][PULL][linux-firmware][Lunar] BT/WiFi coex stability issue on RTL8851BE/RTL8852BE

Juerg Haefliger juerg.haefliger at canonical.com
Thu Nov 16 09:55:14 UTC 2023


On Thu, 16 Nov 2023 10:54:01 +0100
Juerg Haefliger <juerg.haefliger at canonical.com> wrote:

> Applied to linux-firmware lunar branch.
> 
> ...Juerg
> 
> 
> > BugLink: https://bugs.launchpad.net/bugs/2042999
> > 
> > [Impact]
> > 
> > On platforms with RTL8851BE/RTL8852BE, bluetooth mouse/keyboard may not work
> > smoothly with WiFi connection activated.
> > 
> > [Fix]
> > 
> > Proposed firmware upstreamed as:
> > * 2afd1423e476 ("rtw89: 8852b: update fw to v0.29.29.5")
> > * 7a916315fb28 ("rtw89: 8852b: update fw to v0.29.29.4")
> > * 02df6e4f03c0 ("rtw89: 8851b: update fw to v0.29.41.3")
> > 
> > [Test Case]
> > 
> > 1. Install Ubuntu 22.04 on SUT with RTL8851BE / 8852BE Wlan card
> > 2. Connected BT KB/MS, and then connected WIFI, select an AP to connect
> > 3. Check BT mouse/keyboard, mouse movement, keyboard key pressing not respond
> >    smoothly.
> > 
> > [Where problems could occur]
> > 
> > This updates opaque firmware blobs, so anything could happen. With verifications
> > from multiparties, it improves the stability and no other problem found so far.
> > 
> > [Other Info]
> > 
> > On Lunar, we don't have RTL8851BE enabled, so the related commits are omitted.
> > On Mantic and oem-6.5/jammy, we have both.
> > 
> > ----------------------------------------------------------------
> > The following changes since commit eded07bfe91d6b1e4e0b4633e93034e98be451fb:
> > 
> >   UBUNTU: Ubuntu-20230323.gitbcdcfbcf-0ubuntu1.8 (2023-10-10 11:44:25 +0200)
> > 
> > are available in the Git repository at:
> > 
> >   https://git.launchpad.net/~vicamo/ubuntu/+source/linux-firmware bug-2042999/rtw89-btcoex/lunar
> > 
> > for you to fetch changes up to 608a9d31ea362b7eaa65579a56396a9b29237503:
> > 
> >   rtw89: 8852b: update fw to v0.29.29.5 (2023-11-08 16:20:50 +0800)
> > 
> > ----------------------------------------------------------------
> > Chin-Yen Lee (3):
> >       rtw89: 8852b: update fw to v0.29.29.3
> >       rtw89: 8852b: update fw to v0.29.29.4
> >       rtw89: 8852b: update fw to v0.29.29.5
> > 
> > Ping-Ke Shih (1):
> >       rtw89: 8852b: update format-1 fw to v0.29.29.1
> > 
> >  rtw89/rtw8852b_fw-1.bin | Bin 1188488 -> 1242808 bytes
> >  1 file changed, 0 insertions(+), 0 deletions(-)
> >   
> 

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