[Bug 19431] New: since Breezy, suspend to disk fails in resume phase

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http://bugzilla.ubuntu.com/show_bug.cgi?id=19431
Ubuntu | linux

           Summary: since Breezy, suspend to disk fails in resume phase
           Product: Ubuntu
           Version: unspecified
          Platform: i386
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: linux
        AssignedTo: ben.collins at ubuntu.com
        ReportedBy: Joerg-Cyril.Hoehle at T-Systems.com
         QAContact: kernel-bugs at lists.ubuntu.com


Hi,

Suspend to RAM still works.
Suspend to both RAM and DISK worked with Hoary.

When restarting the system, everything goes normally at first. But
after some time, the resume process just freezes, displaying the
following messages:

[screen is cleared, shown output starts at top of screen]
[4294768.653000] Stopping tasks: ====================================...
[4...          ] Freeing memory... done (37204 pages freed)
[4...          ] GTM info ... [2 times]
[4...          ] ACPI PCI interrupt ... disabled [3 times]
[4...          ] resume= option should be used to set suspend
device.................................swsusp: Need to copy 36549 pages
[note no newline before swsusp]

/etc/default/acpi-support says:
ACPI_SLEEP=true
ACPI_HIBERNATE=true
ACPI_SLEEP_MODE=mem
SAVE_VBE_STATE=true
[...]
RESTART_IRDA=false
ENABLE_LAPTOP_MODE=true

Except from ENABLE_LAPTOP_MODE there was no change from Hoary.

Suspend to disk still works on this machine when I boot Hoary from my backup
partition. But I'd like to switch, wouldn't you? :-)

I tried both linux-image-2.6.12-9.23-686 and -386, to no avail.

Regards,
 Jörg Höhle

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