Public bug reported:

kernel 2.6.39 on Natty is reporting ioremap errors

$ cat /var/log/kern.log | grep ioremap
May  8 02:11:16 mmkassem-laptop kernel: [   29.562394] ioremap error for 
0xbf7fc000-0xbf7fd000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562409] ioremap error for 
0xbf7fd000-0xbf7fe000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562420] ioremap error for 
0xbf7fb000-0xbf7fc000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562430] ioremap error for 
0xbf7fa000-0xbf7fb000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562440] ioremap error for 
0xbf7f9000-0xbf7fa000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562450] ioremap error for 
0xbf7ea000-0xbf7eb000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562460] ioremap error for 
0xbf7e7000-0xbf7e8000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562470] ioremap error for 
0xbf7e3000-0xbf7e4000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562480] ioremap error for 
0xbf7e2000-0xbf7e3000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562490] ioremap error for 
0xbf7e1000-0xbf7e2000, requested 0x10, got 0x0
May  8 02:11:16 mmkassem-laptop kernel: [   29.562499] ioremap error for 
0xbf7e0000-0xbf7e1000, requested 0x10, got 0x0

$ cat /proc/iomem | grep bf7f
bf7e0000-bf7fefff : ACPI Tables
bf7ff000-bf7fffff : System RAM

Laptop: HP Pavilion dv6 2171ee

$ uname -a
Linux mmkassem-laptop 2.6.39-0-generic #5~20110427-Ubuntu SMP Wed Apr 27 
15:27:41 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux

$cat /proc/version_signature 
Ubuntu 2.6.39-0.5~20110427-generic 2.6.39-rc5

$ lsb_release -rd
Description:    Ubuntu 11.04
Release:        11.04

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/779298

Title:
  kernel 2.6.39 on Natty is reporting ioremap errors on ACPI Tables

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