** Changed in: linux (Ubuntu)
Status: New => Fix Released
** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/2076881
Title:
btintel: Prevent BRI traffic crosstalking with WiFi module
Status in HWE Next:
Fix Released
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-6.11 package in Ubuntu:
Invalid
Status in linux source package in Noble:
Invalid
Status in linux-oem-6.11 source package in Noble:
Fix Committed
Status in linux source package in Oracular:
Won't Fix
Status in linux-oem-6.11 source package in Oracular:
Invalid
Bug description:
[Impact]
BRI (Bluetooth Radio Interface) traffic from CNVr to CNVi was found causing
cross talk step errors to WiFi. Therefore, Bluetooth is turned on, the WiFi
may be disrupted by Bluetooth and thus not work reliably.
[Fix]
Apply the patch
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/bluetooth/btintel.c?id=c707097a446ce3d284bc9f05736dc4701d2b8168
on noble-oem-6.11
[Test Plan]
1. Compile noble-oem-6.11
2. Include Bluetooth FWs ibt-0190-0291-iml.sfi, ibt-0190-0291.ddc,
ibt-0190-0291.sfi in /lib/firmware/intel/
( These FWs are not public yet. We're going to do SRU in the future once the
FWs are landed on the upstream linux-firmrware)
3. Include WiFi FWs bz-b0-fm-c0-92.ucode in /lib/firmware/
( The same. These FWs are not public yet )
4. Boot the noble-oem-6.11 kernel
5. Test WiFi functionality.
[Where problems could occur]
The patch makes use of UEFI variable. If the variable is somehow not shown in
the ROM, there might be some error.
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