** Description changed: [Impact] System can't enter suspend on AHCI mode, the CPU FAN and System FAN is running, PSU LED is on. When fail to enter suspend, remove ODD, the system can successfully enter suspend again. [Fix] Enable LPM on Alder Lake-P AHCI. [Test Cases] 1. enabled AHCI on target machine. 2. boot with kernel applied fix. - 3. suspend then check slp_s0_residency_usec + 3. suspend then check slp_s0_residency_usec&package_cstate_show ~~~ u@ubuntu:~$ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show 4951200 Package C2 : 63571033 Package C3 : 6212 Package C6 : 5633477 Package C7 : 0 Package C8 : 0 Package C9 : 0 Package C10 : 5255561 u@ubuntu:~$ sudo rtcwake -m mem -s 10 rtcwake: assuming RTC uses UTC ... rtcwake: wakeup from "mem" using /dev/rtc0 u@ubuntu:~$ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show 12965280 Package C2 : 75052691 Package C3 : 46989 Package C6 : 8108332 Package C7 : 0 Package C8 : 0 Package C9 : 0 Package C10 : 13628111 ~~~ [where the issue could happen] Medium, Intel promise there's no issue of ADL AHCI and they will take responsibility after regression. Intel also take LPM as POR so they will fix any issues.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/2037493 Title: Fix ADL: System enabled AHCI can't get into s0ix when attached ODD Status in HWE Next: New Status in linux package in Ubuntu: In Progress Status in linux-oem-6.5 package in Ubuntu: New Status in linux source package in Jammy: New Status in linux-oem-6.5 source package in Jammy: In Progress Status in linux source package in Lunar: In Progress Status in linux-oem-6.5 source package in Lunar: New Status in linux source package in Mantic: In Progress Status in linux-oem-6.5 source package in Mantic: New Bug description: [Impact] System can't enter suspend on AHCI mode, the CPU FAN and System FAN is running, PSU LED is on. When fail to enter suspend, remove ODD, the system can successfully enter suspend again. [Fix] Enable LPM on Alder Lake-P AHCI. [Test Cases] 1. enabled AHCI on target machine. 2. boot with kernel applied fix. 3. suspend then check slp_s0_residency_usec&package_cstate_show ~~~ u@ubuntu:~$ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show 4951200 Package C2 : 63571033 Package C3 : 6212 Package C6 : 5633477 Package C7 : 0 Package C8 : 0 Package C9 : 0 Package C10 : 5255561 u@ubuntu:~$ sudo rtcwake -m mem -s 10 rtcwake: assuming RTC uses UTC ... rtcwake: wakeup from "mem" using /dev/rtc0 u@ubuntu:~$ sudo cat /sys/kernel/debug/pmc_core/slp_s0_residency_usec;sudo cat /sys/kernel/debug/pmc_core/package_cstate_show 12965280 Package C2 : 75052691 Package C3 : 46989 Package C6 : 8108332 Package C7 : 0 Package C8 : 0 Package C9 : 0 Package C10 : 13628111 ~~~ [where the issue could happen] Medium, Intel promise there's no issue of ADL AHCI and they will take responsibility after regression. Intel also take LPM as POR so they will fix any issues. To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/2037493/+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