On Mon, 26 Feb 2024 09:45:17 +0100, Vlastimil Babka wrote: > > On 2/26/24 03:09, Baochen Qiang wrote: > > > > > > On 2/23/2024 11:28 PM, Vlastimil Babka wrote: > >> On 2/22/24 06:47, Manivannan Sadhasivam wrote: > >>> On Wed, Feb 21, 2024 at 08:34:23AM -0800, Jeff Johnson wrote: > >>>> On 2/21/2024 6:39 AM, Vlastimil Babka wrote: > >>>>> Hi, > >>>>> > >>>>> starting with 6.8 rc series, I'm experiencing problems on resume from s2idle > >>>>> on my laptop, which is Lenovo T14s Gen3: > >>>>> > >>>>> LENOVO 21CRS0K63K/21CRS0K63K, BIOS R22ET65W (1.35 ) > >>>>> ath11k_pci 0000:01:00.0: wcn6855 hw2.1 > >>>>> ath11k_pci 0000:01:00.0: chip_id 0x12 chip_family 0xb board_id 0xff soc_id 0x400c1211 > >>>>> ath11k_pci 0000:01:00.0: fw_version 0x1106196e fw_build_timestamp 2024-01-12 11:30 fw_build_id WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.37 > >>>>> > >>>>> The problem is an allocation failure happening on resume from s2idle. After > >>>>> that the wifi stops working and even a reboot won't fix it, only a > >>>>> poweroff/poweron cycle of the laptop. > >>>>> > >>> > >>> Looks like WLAN is powered down during s2idle, which doesn't make sense. I hope > >>> Jeff will figure out what's going on. > >> > >> You mean the firmware is supposed to power it down/up transparently without > >> kernel involvement? Because it should be powered down to save the power, no? > > Let me clarify: from backtrace info, seems you are using a kernel with > > the hibernation-support patches [1] applied, which are not accepted yet > > to mainline kernel or even > > git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi.git. > > Oh, you're right. Sorry for confusing you all. The rc kernel builds we have > for openSUSE have nearly no non-upstream patches so it didn't really occur > to me to double check if there might be in the area. > > Seems Takashi (Cc'd) added them indeed to make hibernation work: > https://bugzilla.suse.com/show_bug.cgi?id=1207948#c51 Yeah, and I'm afraid that we still have the ath11k hibernation patches in our 6.8-rc default kernel (i.e. patches are in both master and stable branches). But you can test vanilla flavor that has certainly no downstream patches at all. thanks, Takashi
