This message also appears with 2.6.32 kernels from Debian:
$ uname -a Linux jophur 2.6.32-3-amd64 #1 SMP Thu Feb 25 07:33:41 UTC 2010 x86_64 GNU/Linux
$ dmesg | grep BAR [ 0.212204] pci 0000:05:04.0: BAR 6: address space collision on of device [0xfeac0000-0xfeadffff]
However, it has disappeared with kernel 2.6.33 from Debian experimental:
$ dmesg | grep BAR
[ 0.212313] pci 0000:00:1c.0: BAR 14: assigned [mem 0x80000000-0x803fffff] [ 0.212316] pci 0000:00:1c.2: BAR 15: assigned [mem 0x80400000-0x805fffff 64bit pref] [ 0.212319] pci 0000:00:1c.5: BAR 15: assigned [mem 0x80600000-0x807fffff 64bit pref] [ 0.212321] pci 0000:00:1c.0: BAR 13: assigned [io 0x1000-0x1fff] [ 0.212324] pci 0000:00:1f.3: BAR 0: assigned [mem 0x80800000-0x808000ff] [ 0.212328] pci 0000:00:1f.3: BAR 0: set to [mem 0x80800000-0x808000ff] (PCI address [0x80800000-0x808000ff]
This message also appears with 2.6.32 kernels from Debian:
$ uname -a
Linux jophur 2.6.32-3-amd64 #1 SMP Thu Feb 25 07:33:41 UTC 2010 x86_64 GNU/Linux
$ dmesg | grep BAR 0xfeadffff]
[ 0.212204] pci 0000:05:04.0: BAR 6: address space collision on of device [0xfeac0000-
However, it has disappeared with kernel 2.6.33 from Debian experimental:
$ dmesg | grep BAR
[ 0.212313] pci 0000:00:1c.0: BAR 14: assigned [mem 0x80000000- 0x803fffff] 0x805fffff 64bit pref] 0x807fffff 64bit pref] 0x808000ff] 0x808000ff] (PCI address [0x80800000- 0x808000ff]
[ 0.212316] pci 0000:00:1c.2: BAR 15: assigned [mem 0x80400000-
[ 0.212319] pci 0000:00:1c.5: BAR 15: assigned [mem 0x80600000-
[ 0.212321] pci 0000:00:1c.0: BAR 13: assigned [io 0x1000-0x1fff]
[ 0.212324] pci 0000:00:1f.3: BAR 0: assigned [mem 0x80800000-
[ 0.212328] pci 0000:00:1f.3: BAR 0: set to [mem 0x80800000-