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    SubjectRe: OOPS: 2.6.24-rc5-mm1 -- EIP is at r_show+0x2a/0x70 -- (triggered by "cat /proc/iomem" AFTER suspend-to-disk/resume)
    On Fri, 21 Dec 2007 00:58:19 -0500 "Miles Lane" <miles.lane@gmail.com> wrote:

    > On Dec 20, 2007 12:32 PM, Andrew Morton <akpm@linux-foundation.org> wrote:
    >
    > > On Thu, 20 Dec 2007 08:38:03 -0500 Miles Lane <miles.lane@gmail.com>
    > > wrote:
    > >
    > > > On further investigation, "cat /proc/iomem" does not trigger the stack
    > > > trace until after a suspend-to-disk/resume cycle has occurred.
    > >
    > > I still can't reproduce this.
    > >
    > > Could you please try this?
    > >
    > > - cat /proc/iomem
    > > - suspend/resume
    > > - do
    > >
    > > while read i
    > > do
    > > echo $i
    > > sleep 1
    > > done < /proc/iomem
    > >
    > > then, with luck, we'll be able to work out which /proc/iomem record
    > > immediately precedes the corrupted one.
    > >
    >
    > miles@syntropy:~$ cat > test.sh
    > while read i
    > do
    > echo $i
    > sleep 1
    > done < /proc/iomem
    > ^C
    > miles@syntropy:~$ sh test.sh
    > 00000000-0009f7ff : System RAM
    > 0009f800-0009ffff : reserved
    > 000a0000-000bffff : Video RAM area
    > 000c0000-000c7fff : Video ROM
    > 000f0000-000fffff : System ROM
    > 00100000-7f68ffff : System RAM
    > 00100000-0039e4b7 : Kernel code
    > 0039e4b8-004f0983 : Kernel data
    > 00553000-007ecdfb : Kernel bss
    > 7f690000-7f698fff : ACPI Tables
    > 7f699000-7f6fffff : ACPI Non-volatile Storage
    > 7f700000-7fffffff : reserved
    > 88000000-8bffffff : PCI CardBus #05
    > 8c000000-8fffffff : PCI CardBus #05
    > Segmentation fault
    >
    > How do I determine what comes next?
    >

    By comparing it with the /proc/iomem from prior to suspending the machine.


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