you seem to have some MTRR issues: [ 0.000000] gran_size: 64K chunk_size: 64K num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 128K num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 256K num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 512K num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 1M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 2M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 4M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 8M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 16M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 32M num_reg: 7 lose cover RAM: 256M [ 0.000000] gran_size: 64K chunk_size: 64M num_reg: 7 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 128M num_reg: 7 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 256M num_reg: 7 lose cover RAM: 0G [ 0.000000] *BAD*gran_size: 64K chunk_size: 512M num_reg: 7 lose cover RAM: -256M [ 0.000000] gran_size: 64K chunk_size: 1G num_reg: 7 lose cover RAM: 0G [ 0.000000] gran_size: 64K chunk_size: 2G num_reg: 7 lose cover RAM: 0G
and then later [ 16.659846] mtrr: type mismatch for d0000000,10000000 old: write-back new: write-combining [ 16.659848] [drm] MTRR allocation failed. Graphics performance may suffer. [ 16.660496] i915 0000:00:02.0: irq 44 for MSI/MSI-X [ 16.660501] [drm] Supports vblank timestamp caching Rev 1 (10.10.2010). [ 16.660503] [drm] Driver supports precise vblank timestamp query. [ 16.660529] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem [ 16.782159] [drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid, remainder is 199 [ 16.782163] Raw EDID: [ 16.782165] fe fe fe fe fe ff ff ff ff fe fe fe fe fe fe fe [ 16.782167] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782169] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782170] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782172] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782174] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782175] fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe fe [ 16.782177] fe fe fe fe fe fe fe fe fe fe fe ff a0 00 00 1a so even if the MTRR errors don't affect the drm subsystem, the resulting EDID is faulty. You might want to try a newer or later kernel (-pae flavour) from the mainline ppa at http://kernel.ubuntu.com/~kernel-ppa/mainline/ Mint 12 is based on Ubuntu 11.10, so it used 3.0.x. If that kernel works, then this is definitely a problem in the precise 3.2 series. ** Changed in: xorg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/972488 Title: wrong resolution with my Monitor ( Hanns.G HC194D) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/972488/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
