** Changed in: linux (Ubuntu Noble)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/2063096
Title:
RTL8852BE fw security fail then lost WIFI function during
suspend/resume cycle
Status in HWE Next:
New
Status in linux package in Ubuntu:
Fix Committed
Status in linux-oem-6.5 package in Ubuntu:
Invalid
Status in linux source package in Jammy:
Fix Committed
Status in linux-oem-6.5 source package in Jammy:
New
Status in linux source package in Mantic:
Fix Committed
Status in linux-oem-6.5 source package in Mantic:
Invalid
Status in linux source package in Noble:
Fix Committed
Status in linux-oem-6.5 source package in Noble:
Invalid
Bug description:
[Impact]
On a Dell laptop, When we do suspend/resume test, we found the
realtek wifi couldn't work after resume, from the dmesg, we found
the error log as below:
Log:
三 05 15:08:02 u-Precision-3591 kernel: rtw89_8852be 0000:02:00.0: fw security
fail
三 05 15:08:02 u-Precision-3591 kernel: rtw89_8852be 0000:02:00.0: download
firmware fail
三 05 15:08:02 u-Precision-3591 kernel: rtw89_8852be 0000:02:00.0: [ERR]fwdl
0x1E0 = 0x62
三 05 15:08:02 u-Precision-3591 kernel: rtw89_8852be 0000:02:00.0: [ERR]fwdl
0x83F2 = 0x8
[Fix]
Backport a commit from mainline kernel (linux-next), this will retry firmware
loading for 5 times.
[Test Case]
run suspend/resume test case for over 100 times, the wifi still
works.
[Where problems could occur]
This commit comes from mailine kernel, and it doesn't change existing
driver except loading firmware a couple of more times if there is an error.
In theory this will not introduce regression.
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