[Bugme-new] [Bug 16548] New: Kernel panic on boot, Samsung NP-X120-XA02 laptop

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon Aug 9 05:33:32 PDT 2010


https://bugzilla.kernel.org/show_bug.cgi?id=16548

           Summary: Kernel panic on boot, Samsung NP-X120-XA02 laptop
           Product: ACPI
           Version: 2.5
    Kernel Version: 2.6.35
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Config-Other
        AssignedTo: acpi_config-other at kernel-bugs.osdl.org
        ReportedBy: embeter at gmail.com
        Regression: Yes


Created an attachment (id=27390)
 --> (https://bugzilla.kernel.org/attachment.cgi?id=27390)
kernel config for 2.6.35

After updating from 2.6.34 to 2.6.35, my laptop fails to boot with this
message:

ACPI: BIOS _OSI(Linux) query ignored
ACPI: APIC 7dbfee08 0005a (v01 PTLD ? APIC 06040000 LTP 00000000)
ACPI Error: found unknown opcode 0xE0 at AML address f8032e2e offset 0x2,
ignoring (20100428/psloop-141) 
  <snip, a lot of errors about unknown opcode>
ACPI: Dynamic OEM Table Load:
ACPI: APIC (null) 0005A (v01 PTLD ? APIC 06040000 LTP 00000000)
ACPI: Interpreter enabled
ACPI: Supports S0 S3 S4 S5
BUG: Unable to handle kernel NULL pointer dereference at 0x00000005
IP: [<c125b489>] apci_ns_lookup+0x125/0x57e

BIOS update didn't help. Booting with acpi=off solves the issue.
Using git-bisect I've found a commit that causes this panic:
https://patchwork.kernel.org/patch/106696/ which was a fix for
https://bugzilla.kernel.org/show_bug.cgi?id=16357

Reverting this commit solves the issue.

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