http://bugzilla.kernel.org/show_bug.cgi?id=6539
Summary: PCI: cannot allocate resource region
Kernel Version: 2.6.16.15
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did not occur:
Distribution:
Fedora Core 5
Hardware Environment:
Acer TravelMate 4101 WLMI
I have attached the output of dmidecode.
Software Environment:
Kernel is vanilla 2.6.16.15
The .config file is attached.
Problem Description:
When the kernel boots with acpi enabled (no kernel options),
the following messages are displayed:
..............................
PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.0
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.0
PCI: Cannot allocate resource region 9 of bridge 0000:00:1c.0
PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.1
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.1
PCI: Cannot allocate resource region 9 of bridge 0000:00:1c.1
PCI: Cannot allocate resource region 7 of bridge 0000:00:1c.2
PCI: Cannot allocate resource region 8 of bridge 0000:00:1c.2
PCI: Cannot allocate resource region 9 of bridge 0000:00:1c.2
PCI: Bridge: 0000:00:01.0
IO window: 3000-3fff
MEM window: c8100000-c81fffff
PREFETCH window: d0000000-d7ffffff
PCI: Bridge: 0000:00:1c.0
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.1
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.2
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bus 7, cardbus bridge: 0000:06:01.0
IO window: 00004000-000040ff
IO window: 00004400-000044ff
PREFETCH window: 30000000-31ffffff
MEM window: 32000000-33ffffff
PCI: Bridge: 0000:00:1e.0
IO window: 4000-4fff
MEM window: c8200000-c82fffff
PREFETCH window: 30000000-31ffffff
.......................
So there seems to be a prblem with the PCI confiurstion, but related to
ACPI too.
With the option acpi=off the following messages are displayed:
.......................
PCI: Transparent bridge - 0000:00:1e.0
PCI: Bus #07 (-#08) may be hidden behind transparent bridge #06 (-#07) (try
'pci=assign-busses')
PCI: Bridge: 0000:00:01.0
IO window: 3000-3fff
MEM window: c8100000-c81fffff
PREFETCH window: d0000000-d7ffffff
PCI: Bridge: 0000:00:1c.0
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.1
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.2
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bus 7, cardbus bridge: 0000:06:01.0
IO window: 00004000-000040ff
IO window: 00004400-000044ff
PREFETCH window: 30000000-31ffffff
MEM window: 32000000-33ffffff
PCI: Bridge: 0000:00:1e.0
IO window: 4000-4fff
MEM window: c8200000-c82fffff
PREFETCH window: 30000000-31ffffff
PCI: Setting latency timer of device 0000:00:01.0 to 64
PCI: Setting latency timer of device 0000:00:1c.0 to 64
PCI: Setting latency timer of device 0000:00:1c.1 to 64
PCI: Setting latency timer of device 0000:00:1c.2 to 64
PCI: Setting latency timer of device 0000:00:1e.0 to 64
...............................
The messages with "cannnot allocate resource region" related to the
0000:00:1c bridge do not show up. Still the following messages remain
unchanged:
PCI: Bridge: 0000:00:1c.0
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.1
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
PCI: Bridge: 0000:00:1c.2
IO window: disabled.
MEM window: disabled.
PREFETCH window: disabled.
There are some errors with the DSDT compilation but the batterry status
and cpufreq related drivers work (it's a "smart" battery).
I have attached the DSDT, and the output of dmesg and lspci -vvv
in both situations : with acpi on, and with acpi=off.
I hope this helps, and if there is more information needed please
say so.
Steps to reproduce:
always
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