On Fri, Mar 05, 2010 at 05:41:34PM +0000, Ben Hutchings wrote: > On Fri, Mar 05, 2010 at 04:51:55PM +0100, Wouter Verhelst wrote: > [...] > > ** Tainted: W (512) > > * Taint on warning. > [...] > > Please send the warning messages.
Whoa. I hadn't even noticed that. [ 0.000000] ------------[ cut here ]------------ [ 0.000000] WARNING: at /build/buildd-linux-2.6_2.6.32-8-amd64-DCxXqz/linux-2.6-2.6.32/debian/build/source_amd64_none/drivers/pci/dmar.c:616 check_zero_address+0x91/0x19b() [ 0.000000] Hardware name: HP Compaq 2230s (FU312EA) [ 0.000000] Your BIOS is broken; DMAR reported at address zero! [ 0.000000] BIOS vendor: Hewlett-Packard; Ver: 68PHU Ver. F.08; Product Version: F.08 [ 0.000000] Modules linked in: [ 0.000000] Pid: 0, comm: swapper Not tainted 2.6.32-2-amd64 #1 [ 0.000000] Call Trace: [ 0.000000] [<ffffffff814fcd2e>] ? check_zero_address+0x91/0x19b [ 0.000000] [<ffffffff814fcd2e>] ? check_zero_address+0x91/0x19b [ 0.000000] [<ffffffff8104dbe8>] ? warn_slowpath_common+0x77/0xa3 [ 0.000000] [<ffffffff8104dc70>] ? warn_slowpath_fmt+0x51/0x59 [ 0.000000] [<ffffffff814d8140>] ? early_idt_handler+0x0/0x71 [ 0.000000] [<ffffffff812f1729>] ? _etext+0x0/0x1e68d7 [ 0.000000] [<ffffffff814ecb69>] ? __early_ioremap+0x1a3/0x23b [ 0.000000] [<ffffffff814d8140>] ? early_idt_handler+0x0/0x71 [ 0.000000] [<ffffffff814fcd2e>] ? check_zero_address+0x91/0x19b [ 0.000000] [<ffffffff814d8140>] ? early_idt_handler+0x0/0x71 [ 0.000000] [<ffffffff812f1729>] ? _etext+0x0/0x1e68d7 [ 0.000000] [<ffffffff814fce4a>] ? detect_intel_iommu+0x12/0x8c [ 0.000000] [<ffffffff814de172>] ? pci_iommu_alloc+0x56/0x61 [ 0.000000] [<ffffffff814ec520>] ? mem_init+0x15/0xe5 [ 0.000000] [<ffffffff814d8afd>] ? start_kernel+0x1f6/0x3dc [ 0.000000] [<ffffffff814d83b7>] ? x86_64_start_kernel+0xf9/0x106 [ 0.000000] ---[ end trace a7919e7f17c0a725 ]--- Now it is true that around the time when things first got wrong, my BIOS had been reset due to the battery running out when I was using the laptop. I had almost forgotten, also because everything seemed to work fine after the reboot, and didn't connect the dots until just now. I'll do a reflash of my BIOS and see whether that fixes things. Will let you know what the result is. -- The biometric identification system at the gates of the CIA headquarters works because there's a guard with a large gun making sure no one is trying to fool the system. http://www.schneier.com/blog/archives/2009/01/biometrics.html -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]
