Re: s2idle on kdell xps 9730 does go to sleep but laptop is warm

Marc MERLIN
2025-06-27T22:51:11Z

Were the logs I gave useful in any way, or just confirm that it's just
some new-ish laptop (2 years old now) that sadly does things in ways
that don't work well with linux?

https://marc.merlins.org/tmp/merlin-sleep-6.14.5_dmesg.txt
https://marc.merlins.org/tmp/merlin-sleep-6.14.5_acpi.txt

On Mon, Jun 02, 2025 at 01:56:13PM -0700, Marc MERLIN wrote:
> On Mon, Jun 02, 2025 at 04:23:42PM +0200, Rafael J. Wysocki wrote:
> > > With kernel 6.6.9 when I put the laptop to sleep, syslog shows that the
> > > laptop was sleeping for 9h, fans were stopped, but when I gabbed my
> > > laptop it was warm and burned 80% of the battery overnight.
> >
> > First off, I'd try a newer kernel. Say 6.15.0 (unless you boot with
> > "nosmt" in the kernel command line).
>
> Fair point, I somehow failed to upgrade the kernel on that machine.
> I have a 6.14.5 kernel I just installed.
>
> I also upgraded all firmware:
> dpkggrep firmware | awk '{ print $1 }' | xargs apt-get install -t unstable -y
>
> > > And yet, linux was not running, my logs show the kernel went into ACPI
> > > sleep and back out
> >
> > It wouldn't be "ACPI sleep" if it was suspend-to-idle.
>
> My thinkpad has:
> sauron:~# cat /sys/power/mem_sleep
> s2idle [deep]
>
> The Dell XPS only has:
> merlin:/usr/src# cat /sys/power/mem_sleep
> [s2idle]
>
> > What processor is there in your system?
>
> model name : 13th Gen Intel(R) Core(TM) i7-13700H
>
> > Well, it obviously is not a complete log.
>
> Ok, I tested again with the new kernel. The laptop didn't feel warm when
> in sleep, but I lost 20% battery in 4H, which means the battery would
> not last 24H in sleep
>
> For logs, which one did you want? I have pretty full logs here:
> https://marc.merlins.org/tmp/merlin-sleep-6.14.5_dmesg.txt
> https://marc.merlins.org/tmp/merlin-sleep-6.14.5_acpi.txt
>
> One thing I changed recently is that unloading wireless altogether,
> causes issues at times, so now I have
> rfkill block wlan
> instead of
> killall wpa_supplicant &>/dev/null
> pkill -f "dhclient.*wlan0"
> ifconfig -a | grep -q wlan0 && ifconfig wlan0 down
> rmmod iwlmvm
> rmmod iwlwifi iwlagn iwlcore
> rmmod ieee80211
> rmmod ieee80211_crypt_wep 2>/dev/null
> rmmod ieee80211_crypt_tkip 2>/dev/null
> rmmod ieee80211_crypt 2>/dev/null
> rmmod mac80211 2>/dev/null
> rmmod cfg80211 2>/dev/null
>
> This bit of dmesg just before sleep may be relevant:
> [ 226.365652] thunderbolt 0000:00:0d.2: save config 0x34: 0x00000080
> [ 226.365654] thunderbolt 0000:00:0d.3: save config 0x2c: 0x0bda1028
> [ 226.365655] thunderbolt 0000:00:0d.2: save config 0x38: 0x00000000
> [ 226.365656] thunderbolt 0000:00:0d.3: save config 0x30: 0x00000000
> [ 226.365657] thunderbolt 0000:00:0d.2: save config 0x3c: 0x000001ff
> [ 226.365659] thunderbolt 0000:00:0d.3: save config 0x34: 0x00000080
> [ 226.365661] thunderbolt 0000:00:0d.3: save config 0x38: 0x00000000
> [ 226.365663] thunderbolt 0000:00:0d.3: save config 0x3c: 0x000001ff
> [ 226.366245] thunderbolt 0000:00:0d.2: PME# enabled
> [ 226.366424] thunderbolt 0000:00:0d.3: PME# enabled
> [ 226.370305] pcieport 10000:e0:06.2: PCI PM: Suspend power state: D3hot
> [ 226.370328] pcieport 10000:e0:06.0: PCI PM: Suspend power state: D3hot
> [ 226.370539] vmd 0000:00:0e.0: save config 0x00: 0xa77f8086
> [ 226.370551] vmd 0000:00:0e.0: save config 0x04: 0x00100406
> [ 226.370555] vmd 0000:00:0e.0: save config 0x08: 0x01040000
> [ 226.370560] vmd 0000:00:0e.0: save config 0x0c: 0x00800000
> [ 226.370565] vmd 0000:00:0e.0: save config 0x10: 0x02000004
> [ 226.370575] vmd 0000:00:0e.0: save config 0x14: 0x00000062
> [ 226.370581] vmd 0000:00:0e.0: save config 0x18: 0x72000000
> [ 226.370587] vmd 0000:00:0e.0: save config 0x1c: 0x00000000
> [ 226.370592] vmd 0000:00:0e.0: save config 0x20: 0x07900004
> [ 226.370596] vmd 0000:00:0e.0: save config 0x24: 0x00000062
> [ 226.370600] vmd 0000:00:0e.0: save config 0x28: 0x00000000
> [ 226.370603] vmd 0000:00:0e.0: save config 0x2c: 0x0bda1028
> [ 226.370607] vmd 0000:00:0e.0: save config 0x30: 0x00000000
> [ 226.370611] vmd 0000:00:0e.0: save config 0x34: 0x00000080
> [ 226.370615] vmd 0000:00:0e.0: save config 0x38: 0x00000000
> [ 226.370620] vmd 0000:00:0e.0: save config 0x3c: 0x00000000
> [ 226.375481] intel-lpss 0000:00:15.1: ACPI _REG disconnect evaluation failed (5)
> [ 226.375487] mei_me 0000:00:16.0: PCI PM: Suspend power state: D3hot
> [ 226.375908] intel-lpss 0000:00:15.0: ACPI _REG disconnect evaluation failed (5)
> [ 226.376162] proc_thermal_pci 0000:00:04.0: PCI PM: Suspend power state: D3hot
> [ 226.377183] intel-lpss 0000:00:15.1: power state changed by ACPI to D3hot
> [ 226.377277] intel-lpss 0000:00:15.1: PCI PM: Suspend power state: D3hot
> [ 226.377771] intel-lpss 0000:00:15.0: power state changed by ACPI to D3hot
> [ 226.378257] rtsx_pci 0000:06:00.0: PCI PM: Suspend power state: D3hot
> [ 226.378422] intel-lpss 0000:00:15.0: PCI PM: Suspend power state: D3hot
> [ 226.378448] pcieport 0000:00:1c.0: save config 0x00: 0x51bb8086
> [ 226.378607] pcieport 0000:00:1c.0: save config 0x04: 0x00100407
> [ 226.378656] pcieport 0000:00:1c.0: save config 0x08: 0x06040001
> [ 226.378707] pcieport 0000:00:1c.0: save config 0x0c: 0x00810000
> [ 226.378758] pcieport 0000:00:1c.0: save config 0x10: 0x00000000
> [ 226.378782] pcieport 0000:00:1c.0: save config 0x14: 0x00000000
> [ 226.378806] pcieport 0000:00:1c.0: save config 0x18: 0x00060600
> [ 226.378830] pcieport 0000:00:1c.0: save config 0x1c: 0x000000f0
> [ 226.378853] pcieport 0000:00:1c.0: save config 0x20: 0x75007500
> [ 226.378877] pcieport 0000:00:1c.0: save config 0x24: 0x0001fff1
> [ 226.378899] pcieport 0000:00:1c.0: save config 0x28: 0x00000000
> [ 226.378905] pcieport 0000:00:1c.0: save config 0x2c: 0x00000000
> [ 226.378935] pcieport 0000:00:1c.0: save config 0x30: 0x00000000
> [ 226.378958] pcieport 0000:00:1c.0: save config 0x34: 0x00000040
> [ 226.378982] pcieport 0000:00:1c.0: save config 0x38: 0x00000000
> [ 226.379006] pcieport 0000:00:1c.0: save config 0x3c: 0x000204ff
> [ 226.379534] pcieport 0000:00:1c.0: PME# enabled
> [ 226.379589] thunderbolt 0000:00:0d.2: ACPI _REG disconnect evaluation failed (5)
> [ 226.380218] xhci_hcd 0000:00:0d.0: ACPI _REG disconnect evaluation failed (5)
> [ 226.381101] thunderbolt 0000:00:0d.3: ACPI _REG disconnect evaluation failed (5)
> [ 226.382316] iwlwifi 0000:00:14.3: power state changed by ACPI to D3hot
> [ 226.382528] iwlwifi 0000:00:14.3: PCI PM: Suspend power state: D3hot
> [ 226.383140] vmd 0000:00:0e.0: ACPI _REG disconnect evaluation failed (5)
> [ 226.384467] xhci_hcd 0000:00:14.0: power state changed by ACPI to D3hot
> [ 226.384574] xhci_hcd 0000:00:14.0: PCI PM: Suspend power state: D3hot
> [ 226.384813] vmd 0000:00:0e.0: power state changed by ACPI to D3hot
> [ 226.384825] vmd 0000:00:0e.0: PCI PM: Suspend power state: D3hot
> [ 226.385180] xhci_hcd 0000:00:0d.0: power state changed by ACPI to D3cold
> [ 226.385191] xhci_hcd 0000:00:0d.0: PCI PM: Suspend power state: D3cold
> [ 226.391528] pcieport 0000:00:1c.0: ACPI _REG disconnect evaluation failed (5)
> [ 226.392369] pcieport 0000:00:1c.0: power state changed by ACPI to D3hot
> [ 226.392484] pcieport 0000:00:1c.0: PCI PM: Suspend power state: D3hot
> [ 226.395162] thunderbolt 0000:00:0d.2: power state changed by ACPI to D3cold
> [ 226.395172] thunderbolt 0000:00:0d.2: PCI PM: Suspend power state: D3cold
> [ 226.396283] thunderbolt 0000:00:0d.3: power state changed by ACPI to D3cold
> [ 226.396291] thunderbolt 0000:00:0d.3: PCI PM: Suspend power state: D3cold
> [14916.770339] ACPI: EC: interrupt unblocked
>
> --
> "A mouse is a device used to point at the xterm you want to type in" - A.S.R.
>
> Home page: http://marc.merlins.org/ | PGP 7F55D5F27AAF9D08