http://bugzilla.kernel.org/show_bug.cgi?id=8959
Summary: DVD writer not detected when ACPI is on
Product: ACPI
Version: 2.5
KernelVersion: 2.6.23-rc4
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Other
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur: Unknown, tested with 2.6.18,
2.6.21, 2.6.22.5, it's in all of them.
Distribution: Debian Testing
Hardware Environment: Zepto Znote 6025WD, Intel Santa Rosa-based laptop (ICH8)
Software Environment: Debian Testing
Problem Description: The laptop has an internal DVD writer (a TSST SN-S082H)
which does not get detected by the kernel unless I boot it with acpi=off. If I
do that it appears as /dev/scd0 and is perfectly usable. I have reported this
to the Debian bug tracker, and they asked me to report it here, which I am now
doing after confirming it with the latest kernel from kernel.org. I also tried
the boot options suggested in the dmesg output (acpi_apic_instance=2,
acpi_osi=Linux, pci=routeirq), none of them made any difference.
Steps to reproduce: Boot kernel without any ACPI options - no DVD. Boot with
acpi=off - DVD detected and working.
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