On Thu, 2007-11-29 at 03:19 +0200, Nick Kossifidis wrote:
> > > > # ath_info dfbf0000
> > > > Unable to read EEPROM Magic value!
> Pavel can you see what ath_info gives ? I believe we have a faulty pci
> id situation again...
Still the same thing:
# ./ath_info dfbf0000
Unable to read EEPROM Magic value!
# setpci -s 03:00.0 command=0x41f cache_line_size=0x10
# ./ath_info dfbf0000
Unable to read EEPROM Magic value!
#
The same ath_info produces reasonable results on a CardBus card on the
same machine, even after MadWifi is unloaded, and even without setpci.
ath_info didn't work on MiniPCI cards in 4-card RouterBoard RB14 on the
same machine, but it worked with MiniPCI cards in single-card MiniPCI
adapters. That's why I suspect that ath_info cannot deal with certain
bridges.
Actually, the bridge for bus 3 looks transparent:
# lspci -v -s 00:1c.1
00:1c.1 PCI bridge: Intel Corporation 82801FB/FBM/FR/FW/FRW (ICH6 Family) PCI
Express Port 2 (rev 03) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
Memory behind bridge: dfb00000-dfbfffff
Capabilities: [40] Express Root Port (Slot+) IRQ 0
Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable+
Capabilities: [90] Subsystem: Gammagraphx, Inc. Unknown device 0000
Capabilities: [a0] Power Management version 2
Capabilities: [100] Virtual Channel
Capabilities: [180] Unknown (5)
I don't know what "faulty pci id" means, but if you mean that it's ABIT,
you are correct:
# lspci -v -s 03:00.0
03:00.0 Ethernet controller: Atheros Communications, Inc. AR5006EG 802.11 b/g
Wireless PCI Express Adapter (rev 01)
Subsystem: ABIT Computer Corp. Unknown device 1033
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at dfbf0000 (64-bit, non-prefetchable) [size=64K]
Capabilities: [40] Power Management version 2
Capabilities: [50] Message Signalled Interrupts: Mask- 64bit- Queue=0/0
Enable-
Capabilities: [60] Express Legacy Endpoint IRQ 0
Capabilities: [90] MSI-X: Enable- Mask- TabSize=1
Capabilities: [100] Advanced Error Reporting
Capabilities: [140] Virtual Channel
Debugging ath_info shows that status in ath5k_hw_eeprom_read() is
0xffffffff, so it exits immediately, without timeout.
--
Regards,
Pavel Roskin
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