[Bugme-new] [Bug 8943] New: After wakeup from suspend to disk, machine loops in memory clean up

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Mon Aug 27 00:54:05 PDT 2007


http://bugzilla.kernel.org/show_bug.cgi?id=8943

           Summary: After wakeup from suspend to disk, machine loops in
                    memory clean up
           Product: Memory Management
           Version: 2.5
     KernelVersion: 2.6.22.4
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Page Allocator
        AssignedTo: akpm at osdl.org
        ReportedBy: sbuehne at web.de


Most recent kernel where this bug did not occur: 2.6.21.5 (latest version used
before)
Distribution:
Hardware Environment: 1GB RAM, Intel Pentium M ICH6
Software Environment: Kernel 2.6.22.4, KDE 3.5.7. ATI display driver version
8.40.4-x86.x86_64
Problem Description:
Use "Suspend to disk" feature. After resuming from this, the machine loops in
memory management, by trying to clean up the memory. By monitoring the memory
usage you can see that the kernel tries to clean up the whole memory. The
memory usage stays below 100MB, whereas more then 500MB was in use before
supsend.
Therefore the machine becomes unusable because of extensivly page in/page out
activity and must be rebooted.

Steps to reproduce: Run "Suspend to disk" several times. After resuming the
problem occurs.


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