* regression 6.18.57: acpi power button vanished in machines running in qemu
@ 2026-10-17 17:26 Wolfgang Walter
2026-10-18 6:48 ` Greg Kroah-Hartman
0 siblings, 1 reply; 2+ messages in thread
From: Wolfgang Walter @ 2026-10-17 17:26 UTC (permalink / raw)
To: stable; +Cc: Greg Kroah-Hartman, patches, Rafael J. Wysocki, Sasha Levin
Hello,
since 6.18.57 there is no acpi power button any more in virtual qemu
based machines (as far as I can see model doesn't matter).
Here the output of dmesg | grep -i acpi with 6.18.57:
[ 0.003119] ACPI: Early table checksum verification disabled
[ 0.003122] ACPI: RSDP 0x00000000000F5250 000014 (v00 BOCHS )
[ 0.003125] ACPI: RSDT 0x000000007FFE2439 000038 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003129] ACPI: FACP 0x000000007FFE2229 0000F4 (v03 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003133] ACPI: DSDT 0x000000007FFE0040 0021E9 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003136] ACPI: FACS 0x000000007FFE0000 000040
[ 0.003137] ACPI: APIC 0x000000007FFE231D 000080 (v03 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003139] ACPI: HPET 0x000000007FFE239D 000038 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003141] ACPI: MCFG 0x000000007FFE23D5 00003C (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003143] ACPI: WAET 0x000000007FFE2411 000028 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.003144] ACPI: Reserving FACP table memory at [mem
0x7ffe2229-0x7ffe231c]
[ 0.003145] ACPI: Reserving DSDT table memory at [mem
0x7ffe0040-0x7ffe2228]
[ 0.003146] ACPI: Reserving FACS table memory at [mem
0x7ffe0000-0x7ffe003f]
[ 0.003147] ACPI: Reserving APIC table memory at [mem
0x7ffe231d-0x7ffe239c]
[ 0.003147] ACPI: Reserving HPET table memory at [mem
0x7ffe239d-0x7ffe23d4]
[ 0.003148] ACPI: Reserving MCFG table memory at [mem
0x7ffe23d5-0x7ffe2410]
[ 0.003148] ACPI: Reserving WAET table memory at [mem
0x7ffe2411-0x7ffe2438]
[ 0.005074] ACPI: PM-Timer IO Port: 0x608
[ 0.005087] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.005122] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.005124] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high
level)
[ 0.005125] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high
level)
[ 0.005126] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high
level)
[ 0.005127] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high
level)
[ 0.005129] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.005130] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.037513] ACPI: Core revision 20250807
[ 0.056253] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.068690] ACPI: Added _OSI(Module Device)
[ 0.068692] ACPI: Added _OSI(Processor Device)
[ 0.068693] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.069380] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 0.070389] ACPI: Interpreter enabled
[ 0.070400] ACPI: PM: (supports S0 S3 S4 S5)
[ 0.070402] ACPI: Using IOAPIC for interrupt routing
[ 0.070479] PCI: Using host bridge windows from ACPI; if necessary,
use "pci=nocrs" and report a bug
[ 0.070564] ACPI: Enabled 2 GPEs in block 00 to 3F
[ 0.073006] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.073015] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM
ClockPM Segments MSI HPX-Type3]
[ 0.073053] acpi PNP0A08:00: _OSC: platform does not support
[PCIeHotplug LTR]
[ 0.073089] acpi PNP0A08:00: _OSC: OS now controls [SHPCHotplug PME
AER PCIeCapability]
[ 0.095825] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by
ICH6 ACPI/GPIO/TCO
[ 0.099290] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 0.099407] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 0.099514] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 0.099619] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 0.099735] ACPI: PCI: Interrupt link LNKE configured for IRQ 10
[ 0.099837] ACPI: PCI: Interrupt link LNKF configured for IRQ 10
[ 0.099983] ACPI: PCI: Interrupt link LNKG configured for IRQ 11
[ 0.100088] ACPI: PCI: Interrupt link LNKH configured for IRQ 11
[ 0.100138] ACPI: PCI: Interrupt link GSIA configured for IRQ 16
[ 0.100145] ACPI: PCI: Interrupt link GSIB configured for IRQ 17
[ 0.100150] ACPI: PCI: Interrupt link GSIC configured for IRQ 18
[ 0.100154] ACPI: PCI: Interrupt link GSID configured for IRQ 19
[ 0.100159] ACPI: PCI: Interrupt link GSIE configured for IRQ 20
[ 0.100163] ACPI: PCI: Interrupt link GSIF configured for IRQ 21
[ 0.100168] ACPI: PCI: Interrupt link GSIG configured for IRQ 22
[ 0.100172] ACPI: PCI: Interrupt link GSIH configured for IRQ 23
[ 0.101366] PCI: Using ACPI for IRQ routing
[ 0.173928] pnp: PnP ACPI init
[ 0.174037] ACPI: IRQ 4 override to edge(!), high(!)
[ 0.174454] pnp: PnP ACPI: found 5 devices
[ 0.180876] clocksource: acpi_pm: mask: 0xffffff max_cycles:
0xffffff, max_idle_ns: 2085701024 ns
[ 0.182039] ACPI: \_SB_.GSIA: Enabled at IRQ 16
[ 0.182958] ACPI: \_SB_.GSIB: Enabled at IRQ 17
[ 0.183807] ACPI: \_SB_.GSIC: Enabled at IRQ 18
[ 0.184660] ACPI: \_SB_.GSID: Enabled at IRQ 19
[ 0.649897] ACPI: \_SB_.GSIG: Enabled at IRQ 22
[ 0.650815] ACPI: \_SB_.GSIH: Enabled at IRQ 23
[ 0.652917] ACPI: \_SB_.GSIE: Enabled at IRQ 20
[ 0.654260] ACPI: \_SB_.GSIF: Enabled at IRQ 21
[ 0.660710] ACPI: bus type USB registered
[ 1.520244] ACPI: bus type drm_connector registered
[ 1.545037] parport_pc 00:02: reported by Plug and Play ACPI
And here the same with 6.18.56:
[ 0.002892] ACPI: Early table checksum verification disabled
[ 0.002893] ACPI: RSDP 0x00000000000F5250 000014 (v00 BOCHS )
[ 0.002896] ACPI: RSDT 0x000000007FFE2439 000038 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002900] ACPI: FACP 0x000000007FFE2229 0000F4 (v03 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002903] ACPI: DSDT 0x000000007FFE0040 0021E9 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002905] ACPI: FACS 0x000000007FFE0000 000040
[ 0.002907] ACPI: APIC 0x000000007FFE231D 000080 (v03 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002909] ACPI: HPET 0x000000007FFE239D 000038 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002910] ACPI: MCFG 0x000000007FFE23D5 00003C (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002912] ACPI: WAET 0x000000007FFE2411 000028 (v01 BOCHS BXPC
00000001 BXPC 00000001)
[ 0.002913] ACPI: Reserving FACP table memory at [mem
0x7ffe2229-0x7ffe231c]
[ 0.002914] ACPI: Reserving DSDT table memory at [mem
0x7ffe0040-0x7ffe2228]
[ 0.002915] ACPI: Reserving FACS table memory at [mem
0x7ffe0000-0x7ffe003f]
[ 0.002915] ACPI: Reserving APIC table memory at [mem
0x7ffe231d-0x7ffe239c]
[ 0.002916] ACPI: Reserving HPET table memory at [mem
0x7ffe239d-0x7ffe23d4]
[ 0.002916] ACPI: Reserving MCFG table memory at [mem
0x7ffe23d5-0x7ffe2410]
[ 0.002916] ACPI: Reserving WAET table memory at [mem
0x7ffe2411-0x7ffe2438]
[ 0.004075] ACPI: PM-Timer IO Port: 0x608
[ 0.004081] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.004110] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.004112] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high
level)
[ 0.004112] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high
level)
[ 0.004113] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high
level)
[ 0.004113] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high
level)
[ 0.004115] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.004116] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.023015] ACPI: Core revision 20250807
[ 0.038123] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.049553] ACPI: Added _OSI(Module Device)
[ 0.049554] ACPI: Added _OSI(Processor Device)
[ 0.049555] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.050320] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 0.052728] ACPI: Interpreter enabled
[ 0.052728] ACPI: PM: (supports S0 S3 S4 S5)
[ 0.052728] ACPI: Using IOAPIC for interrupt routing
[ 0.052728] PCI: Using host bridge windows from ACPI; if necessary,
use "pci=nocrs" and report a bug
[ 0.052728] ACPI: Enabled 2 GPEs in block 00 to 3F
[ 0.053130] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.053134] acpi PNP0A08:00: _OSC: OS supports [ExtendedConfig ASPM
ClockPM Segments MSI HPX-Type3]
[ 0.053150] acpi PNP0A08:00: _OSC: platform does not support
[PCIeHotplug LTR]
[ 0.053173] acpi PNP0A08:00: _OSC: OS now controls [SHPCHotplug PME
AER PCIeCapability]
[ 0.076666] pci 0000:00:1f.0: quirk: [io 0x0600-0x067f] claimed by
ICH6 ACPI/GPIO/TCO
[ 0.080509] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 0.080543] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 0.080571] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 0.080599] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 0.080627] ACPI: PCI: Interrupt link LNKE configured for IRQ 10
[ 0.080658] ACPI: PCI: Interrupt link LNKF configured for IRQ 10
[ 0.080710] ACPI: PCI: Interrupt link LNKG configured for IRQ 11
[ 0.080740] ACPI: PCI: Interrupt link LNKH configured for IRQ 11
[ 0.080754] ACPI: PCI: Interrupt link GSIA configured for IRQ 16
[ 0.080757] ACPI: PCI: Interrupt link GSIB configured for IRQ 17
[ 0.080759] ACPI: PCI: Interrupt link GSIC configured for IRQ 18
[ 0.080762] ACPI: PCI: Interrupt link GSID configured for IRQ 19
[ 0.080765] ACPI: PCI: Interrupt link GSIE configured for IRQ 20
[ 0.080768] ACPI: PCI: Interrupt link GSIF configured for IRQ 21
[ 0.080770] ACPI: PCI: Interrupt link GSIG configured for IRQ 22
[ 0.080773] ACPI: PCI: Interrupt link GSIH configured for IRQ 23
[ 0.081218] PCI: Using ACPI for IRQ routing
[ 0.118556] pnp: PnP ACPI init
[ 0.118688] ACPI: IRQ 4 override to edge(!), high(!)
[ 0.119019] pnp: PnP ACPI: found 5 devices
[ 0.124970] clocksource: acpi_pm: mask: 0xffffff max_cycles:
0xffffff, max_idle_ns: 2085701024 ns
[ 0.125698] ACPI: \_SB_.GSIA: Enabled at IRQ 16
[ 0.126096] ACPI: \_SB_.GSIB: Enabled at IRQ 17
[ 0.126535] ACPI: \_SB_.GSIC: Enabled at IRQ 18
[ 0.126912] ACPI: \_SB_.GSID: Enabled at IRQ 19
[ 0.384736] ACPI: \_SB_.GSIG: Enabled at IRQ 22
[ 0.388909] ACPI: \_SB_.GSIH: Enabled at IRQ 23
[ 0.395883] ACPI: bus type USB registered
[ 0.398672] ACPI: \_SB_.GSIE: Enabled at IRQ 20
[ 0.403361] ACPI: \_SB_.GSIF: Enabled at IRQ 21
[ 1.099841] ACPI: bus type drm_connector registered
[ 1.276439] ACPI: button: Power Button [PWRF]
[ 1.278258] parport_pc 00:02: reported by Plug and Play ACPI
As one can see, there is no
ACPI: button: Power Button [PWRF]
This is nasty as now shutdown with virsh stops working (qemu's
system_powerdown does nothing).
Regards,
--
Wolfgang Walter
Studierendenwerk München Oberbayern
Anstalt des öffentlichen Rechts
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2026-10-17 17:26 regression 6.18.57: acpi power button vanished in machines running in qemu Wolfgang Walter
2026-10-18 6:48 ` Greg Kroah-Hartman
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