I'd just like to file a "me too" on this bug. I can confirm that
kacpid and kacpi_notify take ~90% of my CPU time together after I've
had the laptop suspended to RAM, and also that, when I try to suspend
to RAM again after that, it will not wake up again. It worked when I
was running 2.6.24 (and I only recently upgrade, because previous
2.6.26 kernels had another, unrelated bug).
My computer is a Dell Latitude D610. Dmidecode reports the BIOS
version as A02.
Unfortunately, I have no constructive information to add at this
time. I'll try to find something out.
-- Package-specific info:
** Version:
Linux version 2.6.26-1-686 (Debian 2.6.26-11) (waldi@debian.org) (gcc version 4.1.3 20080623 (prerelease) (Debian 4.1.2-23)) #1 SMP Wed Nov 26 19:14:11 UTC 2008
** Command line:
root=/dev/sda6 ro
** Not tainted
** Kernel log:
[28249.056071] PM: Writing back config space on device 0000:00:1d.1 at offset f (was 200, writing 20a)
[28249.056071] PM: Writing back config space on device 0000:00:1d.1 at offset 8 (was 1, writing bf61)
[28249.056071] usb usb2: root hub lost power or was reset
[28249.056071] uhci_hcd 0000:00:1d.2: enabling device (0000 -> 0001)
[28249.056071] ACPI: PCI Interrupt 0000:00:1d.2[C] -> GSI 18 (level, low) -> IRQ 18
[28249.056071] PCI: Setting latency timer of device 0000:00:1d.2 to 64
[28249.056071] PM: Writing back config space on device 0000:00:1d.2 at offset f (was 300, writing 309)
[28249.056071] PM: Writing back config space on device 0000:00:1d.2 at offset 8 (was 1, writing bf41)
[28249.056071] usb usb3: root hub lost power or was reset
[28249.056071] uhci_hcd 0000:00:1d.3: enabling device (0000 -> 0001)
[28249.056071] ACPI: PCI Interrupt 0000:00:1d.3[D] -> GSI 19 (level, low) -> IRQ 19
[28249.056071] PCI: Setting latency timer of device 0000:00:1d.3 to 64
[28249.056071] PM: Writing back config space on device 0000:00:1d.3 at offset f (was 400, writing 405)
[28249.056071] PM: Writing back config space on device 0000:00:1d.3 at offset 8 (was 1, writing bf21)
[28249.056071] usb usb4: root hub lost power or was reset
[28249.069391] ACPI: PCI Interrupt 0000:00:1d.7[A] -> GSI 16 (level, low) -> IRQ 16
[28249.069417] PCI: Setting latency timer of device 0000:00:1d.7 to 64
[28249.069534] usb usb5: root hub lost power or was reset
[28249.076160] ehci_hcd 0000:00:1d.7: debug port 1
[28249.076160] PCI: cache line size of 32 is not supported by device 0000:00:1d.7
[28249.076160] PM: Writing back config space on device 0000:00:1e.0 at offset 9 (was 10001, writing 1fff1)
[28249.076160] PM: Writing back config space on device 0000:00:1e.0 at offset 8 (was 0, writing dfb0dfb0)
[28249.076160] PM: Writing back config space on device 0000:00:1e.0 at offset 7 (was 2280e0f0, writing 22802020)
[28249.076160] PM: Writing back config space on device 0000:00:1e.0 at offset 6 (was 20030300, writing 20070300)
[28249.076160] PM: Writing back config space on device 0000:00:1e.0 at offset 1 (was 100005, writing 100107)
[28249.076160] PCI: Setting latency timer of device 0000:00:1e.0 to 64
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset f (was 100, writing 10b)
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset 7 (was 0, writing dffffd00)
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset 6 (was 0, writing dffffe00)
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset 5 (was 1, writing ec41)
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset 4 (was 1, writing ed01)
[28249.076160] PM: Writing back config space on device 0000:00:1e.2 at offset 1 (was 2900000, writing 2900003)
[28249.076160] ACPI: PCI Interrupt 0000:00:1e.2[A] -> GSI 16 (level, low) -> IRQ 16
[28249.076160] PCI: Setting latency timer of device 0000:00:1e.2 to 64
[28250.170128] PM: Writing back config space on device 0000:00:1e.3 at offset f (was 200, writing 20a)
[28250.170184] PM: Writing back config space on device 0000:00:1e.3 at offset 5 (was 1, writing ec81)
[28250.170205] PM: Writing back config space on device 0000:00:1e.3 at offset 4 (was 1, writing ee01)
[28250.170234] PM: Writing back config space on device 0000:00:1e.3 at offset 1 (was 2900000, writing 2900001)
[28250.170287] ACPI: PCI Interrupt 0000:00:1e.3[b] -> GSI 17 (level, low) -> IRQ 17
[28250.170315] PCI: Setting latency timer of device 0000:00:1e.3 to 64
[28251.176343] PM: Writing back config space on device 0000:00:1f.0 at offset 1 (was 2000007, writing 2000107)
[28251.189495] PM: Writing back config space on device 0000:00:1f.2 at offset f (was 200, writing 20a)
[28251.189536] PM: Writing back config space on device 0000:00:1f.2 at offset 9 (was d0000, writing 0)
[28251.189618] ACPI: PCI Interrupt 0000:00:1f.2[b] -> GSI 17 (level, low) -> IRQ 17
[28251.189642] PCI: Setting latency timer of device 0000:00:1f.2 to 64
[28251.189698] PM: Writing back config space on device 0000:00:1f.3 at offset f (was 200, writing 20a)
[28251.189780] PM: Writing back config space on device 0000:00:1f.3 at offset 1 (was 2800001, writing 2800101)
[28251.189834] PM: Writing back config space on device 0000:01:00.0 at offset f (was 1ff, writing 10b)
[28251.189871] PM: Writing back config space on device 0000:01:00.0 at offset 6 (was 0, writing dfdf0000)
[28251.189890] PM: Writing back config space on device 0000:01:00.0 at offset 5 (was 1, writing de01)
[28251.189909] PM: Writing back config space on device 0000:01:00.0 at offset 4 (was 8, writing d0000008)
[28251.189928] PM: Writing back config space on device 0000:01:00.0 at offset 3 (was 0, writing 10)
[28251.189949] PM: Writing back config space on device 0000:01:00.0 at offset 1 (was 100000, writing 100007)
[28251.190010] ACPI: PCI Interrupt 0000:01:00.0[A] -> GSI 16 (level, low) -> IRQ 16
[28251.190030] PCI: Setting latency timer of device 0000:01:00.0 to 64
[28251.190120] PM: Writing back config space on device 0000:02:00.0 at offset f (was 1df, writing 10b)
[28251.190189] PM: Writing back config space on device 0000:02:00.0 at offset 5 (was beff50ff, writing 0)
[28251.190215] PM: Writing back config space on device 0000:02:00.0 at offset 4 (was 8aff0004, writing dfcf0004)
[28251.190239] PM: Writing back config space on device 0000:02:00.0 at offset 3 (was 0, writing 10)
[28251.190268] PM: Writing back config space on device 0000:02:00.0 at offset 1 (was 100000, writing 100106)
[28251.190385] PM: Writing back config space on device 0000:03:01.0 at offset f (was 7c001ff, writing 5c001ff)
[28251.190409] PM: Writing back config space on device 0000:03:01.0 at offset e (was 0, writing 24fc)
[28251.190432] PM: Writing back config space on device 0000:03:01.0 at offset d (was 0, writing 2400)
[28251.190454] PM: Writing back config space on device 0000:03:01.0 at offset c (was 0, writing 20fc)
[28251.190476] PM: Writing back config space on device 0000:03:01.0 at offset b (was 0, writing 2000)
[28251.190499] PM: Writing back config space on device 0000:03:01.0 at offset a (was 0, writing 33fff000)
[28251.190523] PM: Writing back config space on device 0000:03:01.0 at offset 9 (was 0, writing 30000000)
[28251.190546] PM: Writing back config space on device 0000:03:01.0 at offset 8 (was 0, writing 343ff000)
[28251.190569] PM: Writing back config space on device 0000:03:01.0 at offset 7 (was 0, writing 34000000)
[28251.190593] PM: Writing back config space on device 0000:03:01.0 at offset 6 (was 20000000, writing b0070403)
[28251.190621] PM: Writing back config space on device 0000:03:01.0 at offset 4 (was 0, writing dfb00000)
[28251.190645] PM: Writing back config space on device 0000:03:01.0 at offset 3 (was 820000, writing 82a808)
[28251.328950] PM: Writing back config space on device 0000:03:01.5 at offset f (was 1ff, writing 105)
[28251.329015] PM: Writing back config space on device 0000:03:01.5 at offset 5 (was 0, writing dfbfe000)
[28251.329039] PM: Writing back config space on device 0000:03:01.5 at offset 4 (was 0, writing dfbfd000)
[28251.329072] PM: Writing back config space on device 0000:03:01.5 at offset 1 (was 2100000, writing 2100102)
[28251.329113] wlan0: Coming out of suspend...
[28251.352258] ipw2200 0000:03:03.0: enabling device (0000 -> 0002)
[28251.352279] ACPI: PCI Interrupt 0000:03:03.0[A] -> GSI 17 (level, low) -> IRQ 17
[28251.352320] PM: Writing back config space on device 0000:03:03.0 at offset f (was 18030100, writing 1803010a)
[28251.352387] PM: Writing back config space on device 0000:03:03.0 at offset 4 (was 0, writing dfbff000)
[28251.352411] PM: Writing back config space on device 0000:03:03.0 at offset 3 (was 0, writing 4010)
[28251.352439] PM: Writing back config space on device 0000:03:03.0 at offset 1 (was 2900002, writing 2900116)
[28251.380007] serial 00:0b: activated
[28251.424048] parport_pc 00:0c: activated
[28251.579265] ata1.00: configured for UDMA/100
[28251.579464] sd 0:0:0:0: [sda] 78140160 512-byte hardware sectors (40008 MB)
[28251.579553] sd 0:0:0:0: [sda] Write Protect is off
[28251.579566] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[28251.579715] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[28253.439033] sd 0:0:0:0: [sda] Starting disk
[28253.468643] Restarting tasks ... <6>usb 2-1: USB disconnect, address 3
[28254.352006] done.
[28254.777744] usb 2-1: new full speed USB device using uhci_hcd and address 4
[28254.974406] usb 2-1: configuration #1 chosen from 1 choice
[28254.980414] usb 2-1: New USB device found, idVendor=413c, idProduct=8103
[28254.980414] usb 2-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[28257.752273] [drm] Loading R300 Microcode
[28257.752273] [drm] Num pipes: 1
[28325.257085] wlan0: no IPv6 routers present
Kernel: Linux 2.6.26-1-686 (SMP w/1 CPU core)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Versions of packages linux-image-2.6.26-1-686 depends on:
ii debconf [debconf-2.0] 1.5.24 Debian configuration management sy
ii initramfs-tools [linux-initra 0.92j tools for generating an initramfs
ii module-init-tools 3.4-1 tools for managing Linux kernel mo
Versions of packages linux-image-2.6.26-1-686 recommends:
ii libc6-i686 2.7-16 GNU C Library: Shared libraries [i
Versions of packages linux-image-2.6.26-1-686 suggests:
ii grub 0.97-47 GRand Unified Bootloader (Legacy v
pn linux-doc-2.6.26 <none> (no description available)