On 6/17/2025 5:15 PM, 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> >> --- > > I've bisected the following splat to this patch, still happening on > linux-next/master, WCN6855 + SC8280XP CRD, 100% reproducibility This smells a lot like the issue recently fixed in ath12k: https://msgid.link/20250604055250.1228501-1-miaoqing.pan@xxxxxxxxxxxxxxxx Baochen, can you look at the applicability of that patch? /jeff
