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Topic: how to fix ath_pci: cannot reserve PCI memory region problem

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I keep getting this problem on bootup. How can I fix this problem?

ath_pci: cannot reserve PCI memory region

CFE version 1.0.34 for BCM95365R (32bit,SP,LE)
Build Date: Tue Feb 24 03:21:41 CST 2004 (root@jackylinux)
Copyright (C) 2000,2001,2002 Broadcom Corporation.

Add MAC client version(DNI).
Initializing Arena.
Initializing Devices.
et0: Broadcom BCM47xx 10/100 Mbps Ethernet Controller
CPU type 0x29007: 200MHz
Total memory: 0x2000000 bytes (32MB)

Total memory used by CFE:  0x81BB1280 - 0x82000000 (4517248)
Initialized Data:          0x81BB1280 - 0x81BB3E90 (11280)
BSS Area:                  0x81BB3E90 - 0x81BB45D0 (1856)
Local Heap:                0x81BB45D0 - 0x81FB45D0 (4194304)
Stack Area:                0x81FB45D0 - 0x81FB65D0 (8192)
Text (code) segment:       0x81FB65E0 - 0x81FFFFB0 (301520)
Boot area (physical):      0x01B70000 - 0x01BB0000
Relocation Factor:         I:E23B65E0 - D:01BB0280

configure vlans
*****************************************************************
*********************** VLAN Driver initial  ********************
*****************************************************************
Process LAN port(2-5) vlan Architecture...
SUCCESS: trying to create VLAN 0 for switch
SUCCESS: trying to add LAN port

Process WAN port(2-5) vlan Architecture...
SUCCESS: trying to create VLAN 0 for switch
SUCCESS: trying to add WAN port
SUCCESS: enable ports  success
configure vlans...done
Device eth0:  hwaddr 00-09-5B-F7-4C-24, ipaddr 192.168.1.1, mask 255.255.255.0
        gateway not set, nameserver not set
Loader:elf Filesys:raw Dev:flash0.os File: Options:(null)
***************************
****  MAC Client V1.0  ****
***************************
et0macaddr value :flag =0 value=00-09-5b-f7-4c-24
et1macaddr value :flag =0 value=00-09-5b-f7-4c-25
MAC exist at least one
system ethernet mac exist and not default....
Skip mac client process.....
Loading: 0x80001000/3740 Entry at 0x80001000
Closing network.
et0: link down
Starting program at 0x80001000
Linux version 2.6.22 (nbd@ds10) (gcc version 4.1.2) #2 Sun Sep 30 20:38:47 CEST 2007
CPU revision is: 00029007
ssb: Core 0 found: ChipCommon (cc 0x800, rev 0x05, vendor 0x4243)
ssb: Core 1 found: Fast Ethernet (cc 0x806, rev 0x06, vendor 0x4243)
ssb: Core 2 found: IPSEC (cc 0x80B, rev 0x01, vendor 0x4243)
ssb: Core 3 found: USB 1.1 Hostdev (cc 0x808, rev 0x02, vendor 0x4243)
ssb: Core 4 found: PCI (cc 0x804, rev 0x08, vendor 0x4243)
ssb: Core 5 found: MIPS 3302 (cc 0x816, rev 0x01, vendor 0x4243)
ssb: Core 6 found: MEMC SDRAM (cc 0x80F, rev 0x00, vendor 0x4243)
ssb: Initializing MIPS core...
ssb: set_irq: core 0x0806, irq 2 => 2
ssb: set_irq: core 0x0804, irq 0 => 3
early_nvram_init: WGT634U NVRAM found.
ssb: Sonics Silicon Backplane found at address 0x18000000
Determined physical RAM map:
memory: 02000000 @ 00000000 (usable)
Initrd not found or empty - disabling initrd
Built 1 zonelists.  Total pages: 8128
Kernel command line: root=/dev/mtdblock2 rootfstype=squashfs,jffs2 init=/etc/preinit noinitrd console=ttyS0,115200
Primary instruction cache 8kB, physically tagged, 2-way, linesize 16 bytes.
Primary data cache 4kB, 2-way, linesize 16 bytes.
Synthesized TLB refill handler (20 instructions).
Synthesized TLB load handler fastpath (32 instructions).
Synthesized TLB store handler fastpath (31 instructions).
Synthesized TLB modify handler fastpath (30 instructions).
PID hash table entries: 128 (order: 7, 512 bytes)
Using 100.000 MHz high precision timer.
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Memory: 29872k/32768k available (2030k kernel code, 2896k reserved, 297k data, 120k init, 0k highmem)
Mount-cache hash table entries: 512
NET: Registered protocol family 16
ssb: PCIcore in host mode found
registering PCI controller with io_map_base unset
PCI: fixing up bridge
PCI: Fixing up device 0000:00:00.0
Time: MIPS clocksource has been installed.
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 1, 8192 bytes)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
TCP: Hash tables configured (established 1024 bind 1024)
TCP reno registered
squashfs: version 3.0 (2006/03/15) Phillip Lougher
Registering mini_fo version $Id$
JFFS2 version 2.2. (NAND) © 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler deadline registered (default)
Serial: 8250/16550 driver $Revision: 1.90 $ 2 ports, IRQ sharing enabled
serial8250: ttyS0 at MMIO 0x0 (irq = 3) is a 16550A
serial8250: ttyS1 at MMIO 0x0 (irq = 3) is a 16550A
b44.c:v1.01 (Jun 16, 2006)
eth0: Broadcom 10/100BaseT Ethernet 00:09:5b:f7:4c:24
flash init: 0x1c000000 0x02000000
Physically mapped flash: Found 1 x16 devices at 0x0 in 16-bit bank
Intel/Sharp Extended Query Table at 0x0031
Using buffer write method
cfi_cmdset_0001: Erase suspend on write enabled
Flash device: 0x800000 at 0x1fc00000
bootloader size: 655360
Creating 4 MTD partitions on "Physically mapped flash":
0x00000000-0x000a0000 : "cfe"
0x000a0000-0x007e0000 : "linux"
0x00158000-0x007e0000 : "rootfs"
mtd: partition "rootfs" doesn't start on an erase block boundary -- force read-only
0x00260000-0x007e0000 : "rootfs_data"
0x007e0000-0x00800000 : "nvram"
nf_conntrack version 0.5.0 (256 buckets, 2048 max)
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP vegas registered
NET: Registered protocol family 1
NET: Registered protocol family 17
802.1Q VLAN Support v1.8 Ben Greear <greearb@candelatech.com>
All bugs added by David S. Miller <davem@redhat.com>
VFS: Mounted root (squashfs filesystem) readonly.
Freeing unused kernel memory: 120k freed
Warning: unable to open an initial console.
Algorithmics/MIPS FPU Emulator v1.5
- preinit -
diag: Detected 'Netgear WGT634U'
b44: eth0: Link is up at 100 Mbps, full duplex.
b44: eth0: Flow control is off for TX and off for RX.
Probing device eth0: found!
switching to jffs2
mini_fo: using base directory: /
mini_fo: using storage directory: /jffs
- init -
init started:  BusyBox v1.4.2 (2007-09-29 09:36:14 CEST) multi-call binary

Please press Enter to activate this console. b44: eth0: Link is up at 100 Mbps, full duplex.
b44: eth0: Flow control is off for TX and off for RX.
BFL_ENETADM not set in boardflags. Use force=1 to ignore.
PPP generic driver version 2.4.2
device eth0.0 entered promiscuous mode
wlan: 0.8.4.2 (svn r2568)
eth0.0: dev_set_promiscuity(master, 1)
device eth0 entered promiscuous mode
br-lan: port 1(eth0.0) entering learning state
br-lan: topology change detected, propagating
br-lan: port 1(eth0.0) entering forwarding state
ath_hal: module license 'Proprietary' taints kernel.
ath_hal: 0.9.30.13 (AR5210, AR5211, AR5212, AR5416, RF5111, RF5112, RF2413, RF5413, RF2133, REGOPS_FUNC)
ath_rate_minstrel: Minstrel automatic rate control algorithm 1.2 (svn r2568)
ath_rate_minstrel: look around rate set to 10%
ath_rate_minstrel: EWMA rolloff level set to 75%
ath_rate_minstrel: max segment size in the mrr set to 6000 us
wlan: mac acl policy registered
ath_pci: 0.9.4.5 (svn r2568)
PCI: Fixing up device 0000:00:01.0
ath_pci: cannot reserve PCI memory region

bump? anyone ever had this problem?

Were you ever able to fix this?  I'm getting the exact same thing, on a Netgear WGT634U.

---Joel

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