On Tuesday, 28 of October 2008, Pascal Terjan wrote:
quoted text
> Since I updated my laptop (Thikpad T40) to 2.6.27-rc5 and all new
> kernels until 2.6.27.3 (was using 2.6.25 before), I get this at resume
> time after hibernation :
> 
> Oct 28 10:39:18 plop kernel: pm_op(): pci_pm_restore+0x0/0x70 returns
> -16
> Oct 28 10:39:19 plop kernel: PM: Device 0000:00:00.0 failed to restore:
> error -16
> 
> This may or may not be related to resume issues I often get.
> 
> Sometimes it still work fine, sometimes it panics but I can't get any
> log, sometimes I get back to X but without USB mouse, without keyboard
> and ssh not responding (sysrq still work).

It looks like the ->restore() callback fails for your hostbridge.  It might
have done that before, but we've only been reporting such failures since the
2.6.27 development cycle.

Did hibernation work correctly with 2.6.25?

quoted text
>  00:00.0 Host bridge: Intel Corporation 82855PM Processor to I/O
> Controller (rev 03)
> 	Subsystem: IBM Thinkpad T40 series
> 	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR+ FastB2B- DisINTx-
> 	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
> <MAbort+ >SERR- <PERR- INTx-
> 	Latency: 0
> 	Region 0: Memory at d0000000 (32-bit, prefetchable) [size=256M]
> 	Capabilities: [e4] Vendor Specific Information <?>
> 	Capabilities: [a0] AGP version 2.0
> 		Status: RQ=32 Iso- ArqSz=0 Cal=0 SBA+ ITACoh- GART64- HTrans- 64bit-
> FW+ AGP3- Rate=x1,x2,x4
> 		Command: RQ=1 ArqSz=0 Cal=0 SBA+ AGP+ GART64- 64bit- FW- Rate=x4
> 	Kernel driver in use: agpgart-intel
> 	Kernel modules: intel-agp
> 
> 
> Here is the warn level log of the resume :
> 
> Oct 28 10:39:16 plop kernel: Syncing filesystems ... done.
> Oct 28 10:39:18 plop kernel: Freezing user space processes ... (elapsed
> 0.06 seconds) done.
> Oct 28 10:39:18 plop kernel: Freezing remaining freezable tasks ...
> (elapsed 0.00 seconds) done.
> Oct 28 10:39:18 plop kernel: Suspending console(s) (use
> no_console_suspend to debug)
> Oct 28 10:39:18 plop kernel: Disabling non-boot CPUs ...
> Oct 28 10:39:21 plop kernel: Restarting tasks ... done.
> Oct 28 10:45:26 plop kernel: Emergency Sync complete
> 
> Here is the info level :
> 
> Oct 28 10:39:18 plop kernel: PM: Shrinking memory... done (92359 pages
> freed)
> Oct 28 10:39:18 plop kernel: PM: Freed 369436 kbytes in 12.51 seconds
> (29.53 MB/s)
> Oct 28 10:39:18 plop kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
> Oct 28 10:39:18 plop kernel: nsc-ircc 00:0b: disabled
> Oct 28 10:39:18 plop kernel: parport_pc 00:0a: disabled
> Oct 28 10:39:18 plop kernel: serial 00:09: disabled
> Oct 28 10:39:18 plop kernel: eth4: Going into suspend...
> Oct 28 10:39:18 plop kernel: ipw2200 0000:02:02.0: PCI INT A disabled
> Oct 28 10:39:18 plop kernel: ACPI handle has no context!
> Oct 28 10:39:18 plop kernel: Intel ICH Modem 0000:00:1f.6: PCI INT B
> disabled
> Oct 28 10:39:18 plop kernel: Intel ICH 0000:00:1f.5: PCI INT B disabled
> Oct 28 10:39:18 plop kernel: ata_piix 0000:00:1f.1: PCI INT A disabled
> Oct 28 10:39:18 plop kernel: ehci_hcd 0000:00:1d.7: PCI INT D disabled
> Oct 28 10:39:18 plop kernel: uhci_hcd 0000:00:1d.2: PCI INT C disabled
> Oct 28 10:39:18 plop kernel: uhci_hcd 0000:00:1d.1: PCI INT B disabled
> Oct 28 10:39:18 plop kernel: uhci_hcd 0000:00:1d.0: PCI INT A disabled
> Oct 28 10:39:18 plop kernel: ACPI: Preparing to enter system sleep state
> S4
> Oct 28 10:39:18 plop kernel: Extended CMOS year: 2000
> Oct 28 10:39:18 plop kernel: PM: Creating hibernation image: 
> Oct 28 10:39:18 plop kernel: PM: Need to copy 91604 pages
> Oct 28 10:39:18 plop kernel: Intel machine check architecture supported.
> Oct 28 10:39:18 plop kernel: Intel machine check reporting enabled on
> CPU#0.
> Oct 28 10:39:18 plop kernel: Extended CMOS year: 2000
> Oct 28 10:39:18 plop kernel: ACPI: Waking up from system sleep state S4
> Oct 28 10:39:18 plop kernel: ACPI: EC: non-query interrupt received,
> switching to interrupt mode
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.0: power state changed
> by ACPI to D0
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.0: PCI INT A ->
> Link[LNKA] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.0: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.1: power state changed
> by ACPI to D0
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.1: PCI INT B ->
> Link[LNKD] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.1: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.2: PCI INT C ->
> Link[LNKC] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: uhci_hcd 0000:00:1d.2: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: ehci_hcd 0000:00:1d.7: power state changed
> by ACPI to D0
> Oct 28 10:39:21 plop kernel: ehci_hcd 0000:00:1d.7: PCI INT D ->
> Link[LNKH] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: ehci_hcd 0000:00:1d.7: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: pci 0000:00:1e.0: restoring config space at
> offset 0x6 (was 0x40080200, writing 0x40100200)
> Oct 28 10:39:21 plop kernel: pci 0000:00:1e.0: setting latency timer to
> 64
> Oct 28 10:39:21 plop kernel: ata_piix 0000:00:1f.1: restoring config
> space at offset 0x1 (was 0x2800003, writing 0x2800007)
> Oct 28 10:39:21 plop kernel: ata_piix 0000:00:1f.1: PCI INT A ->
> Link[LNKC] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: ata_piix 0000:00:1f.1: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: Intel ICH 0000:00:1f.5: restoring config
> space at offset 0x1 (was 0x2900007, writing 0x2900003)
> Oct 28 10:39:21 plop kernel: Intel ICH 0000:00:1f.5: PCI INT B ->
> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: Intel ICH 0000:00:1f.5: setting latency
> timer to 64
> Oct 28 10:39:21 plop kernel: ata2.00: ACPI cmd ef/03:42:00:00:00:a0
> filtered out
> Oct 28 10:39:21 plop kernel: ata2.00: ACPI cmd ef/03:0c:00:00:00:a0
> filtered out
> Oct 28 10:39:21 plop kernel: ata1.00: ACPI cmd ef/02:00:00:00:00:a0
> succeeded
> Oct 28 10:39:21 plop kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:a0
> filtered out
> Oct 28 10:39:21 plop kernel: ata1.00: ACPI cmd ef/03:45:00:00:00:a0
> filtered out
> Oct 28 10:39:21 plop kernel: ata1.00: ACPI cmd ef/03:0c:00:00:00:a0
> filtered out
> Oct 28 10:39:21 plop kernel: ata2.00: ACPI cmd e3/00:1f:00:00:00:a0
> succeeded
> Oct 28 10:39:21 plop kernel: ata2.00: ACPI cmd e3/00:02:00:00:00:a0
> succeeded
> Oct 28 10:39:21 plop kernel: ata1.00: configured for UDMA/100
> Oct 28 10:39:21 plop kernel: ata2.00: configured for UDMA/33
> Oct 28 10:39:21 plop kernel: ata1.00: configured for UDMA/100
> Oct 28 10:39:21 plop kernel: ata1: EH complete
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] 156301488 512-byte
> hardware sectors (80026 MB)
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Write Protect is off
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Write cache: enabled,
> read cache: enabled, doesn't support DPO or FUA
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] 156301488 512-byte
> hardware sectors (80026 MB)
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Write Protect is off
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Write cache: enabled,
> read cache: enabled, doesn't support DPO or FUA
> Oct 28 10:39:21 plop kernel: Intel ICH Modem 0000:00:1f.6: PCI INT B ->
> Link[LNKB] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: Intel ICH Modem 0000:00:1f.6: setting
> latency timer to 64
> Oct 28 10:39:21 plop kernel: pci 0000:01:00.0: power state changed by
> ACPI to D0
> Oct 28 10:39:21 plop kernel: pci 0000:01:00.0: PCI INT A -> Link[LNKA]
> -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.0: restoring
> config space at offset 0xf (was 0x3c0010b, writing 0x5c0010b)
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.0: restoring
> config space at offset 0x3 (was 0x824008, writing 0x82a820)
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.0: restoring
> config space at offset 0x1 (was 0x2100107, writing 0x2100007)
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.1: restoring
> config space at offset 0xf (was 0x3c0020b, writing 0x5c0020b)
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.1: restoring
> config space at offset 0x3 (was 0x824008, writing 0x82a820)
> Oct 28 10:39:21 plop kernel: yenta_cardbus 0000:02:00.1: restoring
> config space at offset 0x1 (was 0x2100107, writing 0x2100007)
> Oct 28 10:39:21 plop kernel: eth4: Coming out of suspend...
> Oct 28 10:39:21 plop kernel: ipw2200 0000:02:02.0: PCI INT A ->
> Link[LNKC] -> GSI 11 (level, low) -> IRQ 11
> Oct 28 10:39:21 plop kernel: serial 00:09: activated
> Oct 28 10:39:21 plop kernel: parport_pc 00:0a: activated
> Oct 28 10:39:21 plop kernel: nsc-ircc 00:0b: activated
> Oct 28 10:39:21 plop kernel: sd 0:0:0:0: [sda] Starting disk
> Oct 28 10:39:21 plop kernel: usb 3-2: reset low speed USB device using
> uhci_hcd and address 3
> Oct 28 10:39:21 plop kernel: usb 3-2: device firmware changed
> Oct 28 10:39:21 plop kernel: usb 3-2: USB disconnect, address 3
> Oct 28 10:39:22 plop kernel: agpgart-intel 0000:00:00.0: AGP 2.0 bridge
> Oct 28 10:39:22 plop kernel: agpgart-intel 0000:00:00.0: putting AGP V2
> device into 4x mode
> Oct 28 10:39:22 plop kernel: pci 0000:01:00.0: putting AGP V2 device
> into 4x mode
> Oct 28 10:39:22 plop kernel: [drm] Loading R100 Microcode
> Oct 28 10:45:26 plop kernel: SysRq : Emergency Sync
> Oct 28 10:45:29 plop kernel: SysRq : Keyboard mode set to system default
> 
> 
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