Latest working kernel version: - none - Earliest failing kernel version: Distribution: "Ubuntu 8.04.1" Hardware Environment: from dmidecode ================= Handle 0x0100, DMI type 1, 27 bytes System Information Manufacturer: Dell Inc. Product Name: Precision WorkStation T5400 Version: Not Specified ================= Software Environment: Problem Description: to be enable to reboot a T5400 platform without any freeze at reboot time, you need to set the "reboot=bios" option to the kernel. This platform is to be add to the exception list of the arch/x86/kernel/reboot_32.c Steps to reproduce:
Created attachment 16863 [details] add Dell T5400 systems to the reboot=bios automatic quirks table Thanks for the report. The attached patch is against the latest upstream kernel, it adds your system to the reboot quirks table. It will be committed to Linus's upstream -git kernel in a few days, and then backported to stable releases as well.
fixed by commit fab3b58d3b242b5903f78d60d86803a8aecdf6de
Issue also exists on the Dell Dimension 9200. https://bugs.launchpad.net/ubuntu/+source/linux/+bug/131292 http://launchpadlibrarian.net/24044121/dmi.txt reboot=b fixes it
(In reply to comment #3) > Issue also exists on the Dell Dimension 9200. > > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/131292 > > http://launchpadlibrarian.net/24044121/dmi.txt > > reboot=b fixes it > Linux planet 2.6.27-11-generic #1 SMP Thu Jan 29 19:24:39 UTC 2009 i686 GNU/Linux