This bug was fixed in the package linux-firmware -
20220329.git681281e4-0ubuntu3.11
---------------
linux-firmware (20220329.git681281e4-0ubuntu3.11) jammy; urgency=medium
* Add firmware for amdgpu products with GC 11.01 (LP: #2008113)
- amdgpu: Add DCN 3.1.4 firmware
- amdgpu: Add GC 11.0.1 firmware
- amdgpu: Add SDMA 6.0.1 fimware
- amdgpu: Add PSP 13.0.4 firmware
- amdgpu: Add VCN 4.0.2 firmware
- amdgpu: Update GC 11.0.1 firmware
* Frequent wakeups on HP Pro x360 435 13.3 inch G9 using Qualcomm FastConnect
6900 (LP: #2006458)
- WHENCE: ath11k: move regdb.bin before board-2.bin
- ath11k: WCN6855 hw2.0: update board-2.bin
- ath11k: WCN6855 hw2.0: update to
WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.23
* Ubuntu 22.04 XPS 13 plus 9320 kernel 6.0 OEM and 5.19 breaks wifi
frequently (LP: #2007875)
- iwlwifi: add new FWs from core70-87 release
* mt7921: add support of MTFG table (LP: #2009642)
- linux-firmware: update firmware for MT7922 WiFi device
-- Juerg Haefliger <[email protected]> Thu, 16 Mar 2023
11:47:07 +0100
** Changed in: linux-firmware (Ubuntu Jammy)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/2007875
Title:
Ubuntu 22.04 XPS 13 plus 9320 kernel 6.0 OEM and 5.19 breaks wifi
frequently
Status in linux-firmware package in Ubuntu:
Fix Released
Status in oem-somerville-tentacool-meta package in Ubuntu:
Invalid
Status in linux-firmware source package in Jammy:
Fix Released
Status in oem-somerville-tentacool-meta source package in Jammy:
Confirmed
Status in linux-firmware source package in Kinetic:
Fix Released
Status in oem-somerville-tentacool-meta source package in Kinetic:
Invalid
Status in linux-firmware source package in Lunar:
Fix Released
Status in oem-somerville-tentacool-meta source package in Lunar:
Invalid
Bug description:
[SRU Justification]
[Impact]
backport-iwlwifi-dkms/kinetic is being built into hwe-5.19 kernel, and
-73 firmware are supported bug missing. On one user reported issue,
this fixes WiFi stability on 5G band.
[Fix]
New upstreamed firmware revision fixes this issue.
[Test Case]
1. Boot hwe-5.19 kernel
2. iwlwifi-so-a0-gf-a0-73.ucode firmware should be loaded
3. Browse the web, usually takes between 1 and 5 minutes
4. Networking will cut out
[Where problems could occur]
This affects only users need both backport-iwlwifi-dkms and hwe-5.19
kernel on WiFi stability.
[Other Info]
While Kinetic and above have them all, only Jammy is nominated.
========== original bug report ==========
I'm using the stock Dell Ubuntu 22.04 image on my XPS 13 Plus (9320).
Recently I received some kernel updates, the 5.19 kernel used in 22.10
and a 6.0 oem kernel. Both updates break wifi. It seems to only do so
on newer 5.7 GHz access points.
1. Boot latest 6.0 oem kernel
2. Browse the web, usually takes between 1 and 5 minutes.
3. Networking will cut out.
Disabling networking and starting again will fix it until it happens
again in a few minutes. This will repeat indefinitely, essentially
making wireless useless.
The attached dmesg log reliably shows up when it fails, showing
iwlwifi failing and a (network?) hardware reset request.
It witnessed this happen months ago on 22.10, which led me to using
the Dell stock 22.04 image. But it seems even the newer OEM kernel is
affected.
A workaround is to select the older 5.15 kernel in grub. I find on
this laptop, one must hit escape precisely 1 second after seeing the
Dell logo on boot. Alternatively one could edit /etc/grub/default and
set a longer timeout.
Let me know if this bug report would be better to go to Dell as a
support request instead.
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