http://bugzilla.kernel.org/show_bug.cgi?id=10222
Summary: kernel 2.6.24 acpi_ec_wait timeout if ac adapter is
plugged in
Product: ACPI
Version: 2.5
KernelVersion: 2.6.24
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: BIOS
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: 2.6.23
Earliest failing kernel version: 2.6.24
Distribution: Arch current
Hardware Environment: Sony Vaio VGN C2Z
Software Environment:
Problem Description:
Since kernel 2.6.24 system locks on boot if ac adapter is plugged in. If no ac
adapter is present system boots as usual. Using a kernel below 2.6.24, or
booting with acpi=off fixes the problem.
Uncompressing Linux... Ok, booting the kernel.
ACPI: EC: acpi_ec_wait timeout, status = 0, expect_event = 1
ACPI: EC: read timeout, command = 128
Steps to reproduce:
Boot a Sony Vaio VGN-C2Z with a kernel above 2.6.23 with plugged in ac adapter.
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