I have multiple AMD 64-bit servers in several configurations,
with several different motherboards, which fail to recognize
a USB keyboard when booted from a "stock" Linux kernel.
They only work with a RedHat kernel! I have removed all but
one CPU from one in an attempt to find the problem.
The drivers:
uhci_hcd 34064 0
ehci_hcd 34056 0
install fine, but remain unused. They don't generate any interrupts!
I even installed dm_mod (after this snapshot), thinking maybe it
would fix it. Anyway, the machines can't be accessed without a keyboard
because they don't have anything but USB. They are not on a network
either, which makes troubleshooting without a keyboard a bitch. There
apparently is a keyboard controller (which gets one interrupt), but
it is not connected to a keyboard socket.
CPU0
0: 4691734 IO-APIC-edge timer
1: 1 IO-APIC-edge i8042
7: 0 IO-APIC-edge parport0
8: 1 IO-APIC-edge rtc
9: 0 IO-APIC-level acpi
12: 104 IO-APIC-edge i8042
14: 8719 IO-APIC-edge ide0
16: 0 IO-APIC-level uhci_hcd:usb4
17: 1079 IO-APIC-level aic79xx
18: 0 IO-APIC-level ehci_hcd:usb1
19: 0 IO-APIC-level uhci_hcd:usb2, uhci_hcd:usb5
20: 0 IO-APIC-level uhci_hcd:usb3
21: 6735 IO-APIC-level eth0
22: 2334 IO-APIC-level eth1
NMI: 0
LOC: 4691769
ERR: 0
MIS: 0
I have tried the following stock kernels. Manufacturing and the
customer "requires" Linux version 2.6.N
linux-2.6.8 linux-2.6.9 linux-2.6.10 linux-2.6.11
linux-2.6.11.9 linux-2.6.12 linux-2.6.12.5 linux-2.6.13
linux-2.6.13.4 linux-2.6.15.4 linux-2.6.16.24 linux-2.6.16.4
linux-2.6.19
I have tried various games such as "pci=routeirq." Nothing
works! Does anybody know how RedHat gets the USB keyboard to
be recognized?
Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.24 on an i686 machine (5592.71 BogoMips).
New book: http://www.AbominableFirebug.com/
_
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