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Bug#1106668: Info received (Bug#1106668: The PC freezes on waking up from sleep too often)

Cross-posted to 2 groups.

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tags 1106668 -moreinfo
thanks


Here is the beginning of my tests so far from an xterm:

# grep CONFIG_PM_DEBUG /boot/config-$(uname -r)
CONFIG_PM_DEBUG=y
# cat /sys/power/pm_test
[none] core processors platform devices freezer
# date && echo freezer > /sys/power/pm_test && echo mem >
/sys/power/state && date
Tue Apr 14 03:06:27 AM CEST 2026
Tue Apr 14 03:06:33 AM CEST 2026

(My comment: In the break above, the mouse became unresponsive for a few
seconds.)

# date && echo devices > /sys/power/pm_test && echo mem >
/sys/power/state && date
Tue Apr 14 03:07:52 AM CEST 2026
Tue Apr 14 03:08:02 AM CEST 2026

(My comment: In the break above, the screen went black for a few seconds.)

# date && echo platform > /sys/power/pm_test && echo mem >
/sys/power/state && date
Tue Apr 14 03:11:32 AM CEST 2026
Tue Apr 14 03:11:41 AM CEST 2026

(My comment: In the break above, the screen went black for a few seconds.)

# date && echo processors > /sys/power/pm_test && echo mem >
/sys/power/state && date
Tue Apr 14 03:13:15 AM CEST 2026
Tue Apr 14 03:13:24 AM CEST 2026

(My comment: In the break above, the screen went black for a few seconds.)

# date && echo core > /sys/power/pm_test && echo mem > /sys/power/state
&& date
Tue Apr 14 03:14:21 AM CEST 2026
Tue Apr 14 03:14:30 AM CEST 2026

(My comment: In the break above, the screen went black for a few seconds.)

# mount -t debugfs none /sys/kernel/debug
cat /sys/kernel/debug/suspend_stats
success: 7
fail: 0
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_late: 0
failed_suspend_noirq: 0
failed_resume_noirq: 0
failed_resume_early: 0
failed_resume: 0
failures:
   last_failed_dev:
    last_failed_errno:    0
                         0
   last_failed_step:

# date && echo none > /sys/power/pm_test && cat /sys/kernel/debug/suspend_stats && echo mem > /sys/power/state && date
Tue Apr 14 03:25:58 AM CEST 2026
success: 7
fail: 0
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_late: 0
failed_suspend_noirq: 0
failed_resume_noirq: 0
failed_resume_early: 0
failed_resume: 0
failures:
   last_failed_dev:
  
   last_failed_errno:    0
                         0
   last_failed_step:
  
Tue Apr 14 03:26:41 AM CEST 2026

(My comment: Above, the system went to sleep properly until I typed in this message on another machine and hit a key on the keyboard of the machine being debugged.)

# date && cat /sys/kernel/debug/suspend_stats && dmesg | grep -E 'PM:|ACPI|resume|suspend|freeze|thaw|NVS|platform|TRACE' > /tmp/pm-success-dmesg.log && cat /tmp/pm-success-dmesg.log && lsmod | grep -E 'nvidia|nouveau|drm' && cat /proc/acpi/wakeup | grep -E 'enabled|KEY|PWRB|LID'
Tue Apr 14 03:34:06 AM CEST 2026
success: 8
fail: 0
failed_freeze: 0
failed_prepare: 0
failed_suspend: 0
failed_suspend_late: 0
failed_suspend_noirq: 0
failed_resume_noirq: 0
failed_resume_early: 0
failed_resume: 0
failures:
   last_failed_dev:
  
   last_failed_errno:    0
                         0
   last_failed_step:
  
[    0.156106] ACPI: PM: Registering ACPI NVS region [mem 0x4bc62000-0x4cd7bfff] (17932288 bytes)
[    0.159626] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[    0.159626] ACPI: Added _OSI(Module Device)
[    0.159626] ACPI: Added _OSI(Processor Device)
[    0.159626] ACPI: Added _OSI(Processor Aggregator Device)
[    0.178503] ACPI: 4 ACPI AML tables successfully acquired and loaded
[    0.183507] ACPI: Dynamic OEM Table Load:
[    0.186655] ACPI: Dynamic OEM Table Load:
[    0.189798] ACPI: Dynamic OEM Table Load:
[    0.208469] ACPI: EC: EC started
[    0.208470] ACPI: EC: interrupt blocked
[    0.209019] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[    0.209021] ACPI: \_SB_.PC00.LPC0.EC0_: Boot DSDT EC used to handle transactions
[    0.209023] ACPI: Interpreter enabled
[    0.209039] ACPI: PM: (supports S0 S3 S4 S5)
[    0.209040] ACPI: Using IOAPIC for interrupt routing
[    0.209520] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[    0.209896] ACPI: Enabled 7 GPEs in block 00 to 7F
[    0.224548] ACPI: PCI Root Bridge [PC00] (domain 0000 [bus 00-15])
[    0.224591] acpi PNP0A08:00: _OSC: platform does not support [SHPCHotplug AER LTR]
[    0.240805] ACPI: PCI Root Bridge [PC01] (domain 0000 [bus 16-63])
[    0.240984] acpi PNP0A08:01: _OSC: platform does not support [SHPCHotplug AER LTR]
[    0.243822] ACPI: PCI Root Bridge [PC02] (domain 0000 [bus 64-b1])
[    0.243999] acpi PNP0A08:02: _OSC: platform does not support [SHPCHotplug AER LTR]
[    0.247155] ACPI: PCI Root Bridge [PC03] (domain 0000 [bus b2-ff])
[    0.247334] acpi PNP0A08:03: _OSC: platform does not support [SHPCHotplug AER LTR]
[    0.249016] ACPI: PCI: Interrupt link LNKA configured for IRQ 11
[    0.249050] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[    0.249084] ACPI: PCI: Interrupt link LNKC configured for IRQ 14
[    0.249117] ACPI: PCI: Interrupt link LNKD configured for IRQ 15
[    0.249151] ACPI: PCI: Interrupt link LNKE configured for IRQ 3
[    0.249184] ACPI: PCI: Interrupt link LNKF configured for IRQ 5
[    0.249218] ACPI: PCI: Interrupt link LNKG configured for IRQ 6
[    0.249251] ACPI: PCI: Interrupt link LNKH configured for IRQ 11
[    0.249414] ACPI: EC: interrupt unblocked
[    0.249415] ACPI: EC: event unblocked
[    0.249419] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[    0.249420] ACPI: EC: GPE=0x16
[    0.249421] ACPI: \_SB_.PC00.LPC0.EC0_: Boot DSDT EC initialization complete
[    0.249422] ACPI: \_SB_.PC00.LPC0.EC0_: EC: Used to handle transactions and events
[    0.249485] PCI: Using ACPI for IRQ routing
[    0.255551] pnp: PnP ACPI init
[    0.256545] pnp: PnP ACPI: found 7 devices
[    0.282043] platform rtc_cmos: registered platform RTC device (no PNP device found)
[    0.789965] PM: genpd: Disabling unused power domains
[    0.957186] ACPI: button: Sleep Button [SLPB]
[    0.957412] ACPI: button: Power Button [PWRB]
[    0.957555] ACPI: button: Power Button [PWRF]
[    1.087106] ACPI: bus type drm_connector registered
[    1.124554] ACPI: bus type USB registered
[    7.143674] ipmi_si dmi-ipmi-si.0: ipmi_platform: probing via SMBIOS
[    7.143676] ipmi_platform: ipmi_si: SMBIOS: io 0xca2 regsize 1 spacing 1 irq 0
[    7.143724] ipmi_si IPI0001:00: ipmi_platform: probing via ACPI
[    7.143821] ipmi_si IPI0001:00: ipmi_platform: [io  0x0ca2] regsize 1 spacing 1 irq 0
[    7.143919] ipmi_si dmi-ipmi-si.0: Removing SMBIOS-specified kcs state machine in favor of ACPI
[    7.143921] ipmi_si: Adding ACPI-specified kcs state machine
[    7.144006] ipmi_si: Trying ACPI-specified kcs state machine at i/o address 0xca2, slave address 0x20, irq 0
[    7.169354] input: PC Speaker as /devices/platform/pcspkr/input/input5
[    7.384067] input: Eee PC WMI hotkeys as /devices/platform/eeepc-wmi/input/input6
[    8.983510] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input18
[10377.172423] PM: suspend entry (deep)
[10377.416076] PM: suspend debug: Waiting for 5 second(s).
[10382.396063] PM: suspend exit
[10396.294884] PM: suspend entry (deep)
[10396.540281] PM: suspend debug: Waiting for 5 second(s).
[10401.518219] PM: suspend exit
[10419.462688] PM: suspend entry (deep)
[10419.697588] PM: suspend debug: Waiting for 5 second(s).
[10424.673758] PM: suspend exit
[10504.486425] PM: suspend entry (deep)
[10504.712829] printk: Suspending console(s) (use no_console_suspend to debug)
[10506.120434] PM: suspend debug: Waiting for 5 second(s).
[10511.092865] xhci_hcd 0000:02:00.0: xHC error in resume, USBSTS 0x401, Reinit
[10511.093159] xhci_hcd 0000:05:00.0: xHC error in resume, USBSTS 0x401, Reinit
[10514.171755] PM: suspend exit
[10723.623892] PM: suspend entry (deep)
[10723.862857] printk: Suspending console(s) (use no_console_suspend to debug)
[10724.723203] ACPI: EC: interrupt blocked
[10724.759520] ACPI: PM: Preparing to enter system sleep state S3
[10725.009022] ACPI: EC: event blocked
[10725.009026] ACPI: EC: EC stopped
[10725.009027] ACPI: PM: Saving platform NVS memory
[10725.009343] PM: suspend debug: Waiting for 5 second(s).
[10729.980240] ACPI: EC: EC started
[10729.980505] ACPI: PM: Waking up from system sleep state S3
[10730.027507] ACPI: EC: interrupt unblocked
[10730.079969] ACPI: EC: event unblocked
[10733.092710] PM: suspend exit
[10826.710993] PM: suspend entry (deep)
[10826.961559] printk: Suspending console(s) (use no_console_suspend to debug)
[10827.804849] ACPI: EC: interrupt blocked
[10827.837513] ACPI: PM: Preparing to enter system sleep state S3
[10828.085806] ACPI: EC: event blocked
[10828.085810] ACPI: EC: EC stopped
[10828.085812] ACPI: PM: Saving platform NVS memory
[10828.144934] PM: suspend debug: Waiting for 5 second(s).
[10833.182539] ACPI: EC: EC started
[10833.182855] ACPI: PM: Waking up from system sleep state S3
[10833.229963] ACPI: EC: interrupt unblocked
[10833.284624] ACPI: EC: event unblocked
[10836.217513] PM: suspend exit
[10892.635960] PM: suspend entry (deep)
[10892.916897] printk: Suspending console(s) (use no_console_suspend to debug)
[10893.933689] ACPI: EC: interrupt blocked
[10893.966265] ACPI: PM: Preparing to enter system sleep state S3
[10894.214377] ACPI: EC: event blocked
[10894.214382] ACPI: EC: EC stopped
[10894.214383] ACPI: PM: Saving platform NVS memory
[10894.257246] PM: suspend debug: Waiting for 5 second(s).
[10899.294010] ACPI: EC: EC started
[10899.294321] ACPI: PM: Waking up from system sleep state S3
[10899.341381] ACPI: EC: interrupt unblocked
[10899.394843] ACPI: EC: event unblocked
[10902.326576] PM: suspend exit
[11590.250239] PM: suspend entry (deep)
[11590.557325] printk: Suspending console(s) (use no_console_suspend to debug)
[11591.600863] ACPI: EC: interrupt blocked
[11591.637184] ACPI: PM: Preparing to enter system sleep state S3
[11591.886031] ACPI: EC: event blocked
[11591.886035] ACPI: EC: EC stopped
[11591.886037] ACPI: PM: Saving platform NVS memory
[11591.936555] ACPI: PM: Low-level resume complete
[11591.936597] ACPI: EC: EC started
[11591.936598] ACPI: PM: Restoring platform NVS memory
[11591.974789] ACPI: PM: Waking up from system sleep state S3
[11592.021103] ACPI: EC: interrupt unblocked
[11592.027881] ACPI: EC: event unblocked
[11592.028059] xhci_hcd 0000:00:14.0: xHC error in resume, USBSTS 0x411, Reinit
[11592.713473] xhci_hcd 0000:65:00.2: xHC error in resume, USBSTS 0x401, Reinit
[11594.040447] PM: suspend exit
nouveau              3055616  39
drm_gpuvm              45056  1 nouveau
drm_exec               12288  2 drm_gpuvm,nouveau
gpu_sched              65536  1 nouveau
video                  81920  2 asus_wmi,nouveau
drm_display_helper    274432  1 nouveau
cec                    69632  1 drm_display_helper
drm_ttm_helper         16384  2 nouveau
ttm                   106496  2 drm_ttm_helper,nouveau
drm_shmem_helper       36864  1 ast
drm_kms_helper        253952  5 ast,drm_shmem_helper,drm_display_helper,drm_ttm_helper,nouveau
drm                   774144  26 gpu_sched,drm_kms_helper,drm_exec,drm_gpuvm,ast,drm_shmem_helper,drm_display_helper,drm_ttm_helper,ttm,nouveau
mxm_wmi                12288  1 nouveau
i2c_algo_bit           16384  3 igb,ast,nouveau
wmi                    28672  6 video,intel_wmi_thunderbolt,asus_wmi,wmi_bmof,mxm_wmi,nouveau
button                 24576  1 nouveau
XHCI      S4    *enabled   pci:0000:00:14.0
RP01      S4    *enabled   pci:0000:00:1c.0
PXSX      S4    *enabled   pci:0000:05:00.0
RP03      S4    *enabled   pci:0000:00:1c.2
RP04      S4    *enabled   pci:0000:00:1c.3
RP05      S4    *enabled   pci:0000:00:1c.4
RP09      S4    *enabled   pci:0000:00:1d.0
RP17      S4    *enabled   pci:0000:00:1b.0
RP19      S4    *enabled   pci:0000:00:1b.2
PXSX      S4    *enabled   pci:0000:02:00.0
RP20      S4    *enabled   pci:0000:00:1b.3
BR2A      S4    *enabled   pci:0000:64:00.0
BR3A      S4    *enabled   pci:0000:b2:00.0
AWAC      S4    *enabled   platform:ACPI000E:00

During my tests mentioned here, the freeze on wakeup/resume has not been triggered. (However, the freeze still happened several hours earlier when gdm3 was showing its login screen, then automatically went to sleep, and then I tried to wake it up by hitting some key.)

What next? Reboot with some nondefault kernel parameters, or hunt down “xHC error in resume”, or do anything else?

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Bug#1106668: Info received (Bug#1106668: The PC freezes on waking up from sleep too often) Peter Müller <PeterMueller@ro.ru> - 2026-04-14 04:10 +0200

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