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I think that the easy way out is to buy a new box. This one seems just too old:-(
Cheers, Stephen
On Tuesday, February 18, 2014 12:37:56 AM Max wrote: > On 02/17/2014 09:05 PM, Stephen Davies wrote: > > I have just used fedup to upgrade from FC17 to FC18. > > > > When I reboot into fedup, the screen is unreadable in graphics mode so > > I changed the grub configuration to use console. > > > > Now booting to fedup gives: > > > > dmar:IOMMU: failed to map dmar0 > > > > and hangs/crashes/freezes. > > > > If I reboot to FC17, the system is perfectly usable but dmesg tells me: > > > > [ 0.000000] Kernel command line: > > BOOT_IMAGE=/vmlinuz-3.3.4-5.fc17.x86_64 > > root=/dev/mapper/vg_mustang-lv_root ro rd.md=0 rd.dm=0 SYSFONT=True > > KEYTABLE=us rd.lvm.lv=vg_mustang/lv_swap rd.lvm.lv=vg_mustang/lv_root > > rd.luks=0 LANG=en_US.UTF-8 rhgb quiet > > > > [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) > > > > [ 0.000000] Checking aperture... > > > > [ 0.000000] No AGP bridge found > > > > [ 0.000000] ------------[ cut here ]------------ > > > > [ 0.000000] WARNING: at drivers/iommu/dmar.c:492 > > warn_invalid_dmar+0x92/0xa0() > > > > [ 0.000000] Hardware name: S3210SH > > > > [ 0.000000] Your BIOS is broken; DMAR reported at address feb00000 > > returns all ones! > > Is there a BIOS update available ? I would guess that changes in the > kernel between F17 and F18 are not playing well with your motherboard's > BIOS. > > It could be related to your video card since your getting graphical > distortion. Is this embedded graphics(onboard) or an add in graphics > card? If you have an add-in video card and there is an integrated video > chipset, have you tried removing the add-in card and working with the > onboard video ? > > I would check to see if there is a BIOS update available. I am > unfamiliar with fedup so maybe none of the above matters. Have you tried > anything else besides adding iommu=off ? -- ============================================================================= Stephen Davies Consulting P/L Phone: 08-8177 1595 Adelaide, South Australia. Mobile:040 304 0583 Records & Collections Management.
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