From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; cs-CZ; rv:1.8.1.14) Gecko/20080416 Fedora/2.0.0.14-1.fc8 Firefox/2.0.0.14 Description of problem: Every version of 2.6.24 kernel crashes on same point with same report. I was try -noacpi without success. Smolt report: http://www.smolts.org/show?uuid=pub_3ed14cfb-bb43-4b3c-a6ac-cd5c2703c637 Last seen screen on boot (rewriten by hand): ACPI: bus type registered pnp: PnP ACPI: found 17 devices ACPI: ACPI bus type pnp unregistered usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub PCI: Using ACPI for IRQ routing PCI: If a device doesn`t work, try "pci=routeirq". If it helps post a report NetLabel: Initializing NetLabel: domain hash size = 128 NetLabel: protocols = UNLABELED CIPSOv4 NetLabel: unlabeled traffic allowed by default DMAR:Host address width 36 DMAR:DRHD (flags: 0x00000000)base: 0x00000000fed90000 DMAR:DRHD (flags: 0x00000001)base: 0x00000000fed93000 DMAR:RMRR base: 0x00000000defd0000 end: 0x00000000defd0fff DMAR:RMRR base: 0x00000000defd1000 end: 0x00000000defd1fff DMAR:RMRR base: 0x00000000defd2000 end: 0x00000000defd2fff DMAR:RMRR base: 0x00000000defd3000 end: 0x00000000defd3fff DMAR:RMRR base: 0x00000000defd4000 end: 0x00000000defd4fff DMAR:RMRR base: 0x00000000defd5000 end: 0x00000000defd5fff DMAR:RMRR base: 0x00000000defd6000 end: 0x00000000defd6fff DMAR:RMRR base: 0x00000000defd7000 end: 0x00000000defd7fff IOMMU: Setting identity map for device 0000:00:1a.2 [0xdefd7000 - 0xdefd8000] Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1.upgrade kernel from F8 repository 2.reboot 3.hangs Actual Results: Expected Results: Additional info:
Adding this to the kernel boot options should work around the problem: intel_iommu=off Also, a BIOS update may get the IOMMU working.
*** This bug has been marked as a duplicate of 445553 ***