On 6/23/2025 7:30 PM, Konrad Dybcio wrote: > On 6/18/25 4:00 AM, Baochen Qiang wrote: >> >> On 6/18/2025 8:15 AM, Konrad Dybcio wrote: >>> On 3/28/25 6:32 AM, Baochen Qiang wrote: >>>> Now WoWLAN mode is chosen for those machines listed in the quirk table. >>>> This works for suspend (S3) but breaks for hibernation (S4), because >>>> WoWLAN mode requires WLAN power to be sustained, which is not the case >>>> during hibernation. For hibernation, the default mode should be used. >>>> >>>> Register a PM notifier with which kernel can notify us of the actual PM >>>> operation: if system is going to suspend, the original PM policy is >>>> honored; while if it is hibernation, overwrite it with default policy. >>>> >>>> To summarize: for suspend (S3), WoWLAN mode is chosen for machines listed >>>> in the quirk table, non-WoWLAN mode for others; for hibernation (S4), >>>> non-WoWLAN mode is chosen for all. >>>> >>>> Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.30 >>>> >>>> Tested-by: Takashi Iwai <tiwai@xxxxxxx> >>>> Signed-off-by: Baochen Qiang <quic_bqiang@xxxxxxxxxxx> >>>> --- > [...] > >> Could you share complete kernel dmesg log? > There's nothing interesting in it, but sure.. > > [ 0.000000] Booting Linux on physical CPU 0x0000000000 [0x410fd4b0] > [ 0.000000] Linux version 6.16.0-rc3-next-20250623 (konrad@archlinux) (clang version 20.1.6, LLD 20.1.6) #12182 SMP Mon Jun 23 13:27:07 CEST 2025 > [ 0.000000] KASLR enabled > [ 0.000000] Machine model: Qualcomm SC8280XP CRD [...] > [ 7.669494] mhi mhi0: Direct firmware load for ath11k/WCN6855/hw2.0/amss.bin failed with error -2 Thanks, this helps understand the issue. And BTW, WLAN firmware is missing in your setup, you may get them from linux firmware repo to avoid this issue. https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git