https://bugzilla.kernel.org/show_bug.cgi?id=104271 Bug ID: 104271 Summary: Boot crashes on Lenovo W520 KVM and Discrete Graphic enabled in BIOS Product: Virtualization Version: unspecified Kernel Version: 4.1.6 Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: kvm Assignee: virtualization_kvm@xxxxxxxxxxxxxxxxxxxx Reporter: streibel.2003@xxxxxxx Regression: No Booting stops/crashes on a Lenovo W520 Notebook with these BIOS Settings: - Virtualization Intel Virtualization Technology: Enabled Intel VT-d Feature: Enabled - Display Boot Display Device: ThinkPad LCD Graphics Device: Discrete Graphics OS Detection for NVIDIA Optimus: Disabled Booting starts and the last lines show that the kernel cannot access the hard disks (lines starting with ata2 and ata1). The last lines are: [ TIME ] Timed out waiting for device dev-disk-by\x2duuid-c30...4394b6b.device. [ DEPEND ] Dependency failed for /dev/disk/by-uuid/c305bd9f-9d6...7-359b94394b6b. [ DEPEND ] Dependency failed for Swap. After that booting stops. Additional Information: - This is no hardware fault. The error can be reproduced on a different W520. - Booting also crashes with these kernels: - 3.16.0 (kernel from Debian Jessie) - 4.1.0 (backported kernel to Debian Jessie) - Booting succeeds if: - both virtualization flags are set to Disabled in the BIOS or - Graphics Device is set to "Optimus" in the BIOS -- You are receiving this mail because: You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
