** Description changed: - This is for tracking purpose + [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.
** Changed in: linux-oem-6.5 (Ubuntu Mantic) Status: New => Invalid ** Changed in: linux-oem-6.5 (Ubuntu Noble) Status: New => Invalid -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.5 in Ubuntu. 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: New Status in linux-oem-6.5 package in Ubuntu: Invalid Status in linux source package in Jammy: New Status in linux-oem-6.5 source package in Jammy: New Status in linux source package in Mantic: New Status in linux-oem-6.5 source package in Mantic: Invalid Status in linux source package in Noble: New 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. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2063096/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp