On Friday 13 July 2007 05:54:02 pm Kallol Biswas wrote:
> I have been trying to install debian 40r0 on hp longs
> peak itanium server. The installation hangs trying to
> configure net....
I copied the debian-ia64 list, which is probably a better
place to
start.
The HP management processor contains a virtual UART that is
implemented partly in hardware and partly in firmware.
There
have been a number of issues related to the fact that it is
not
a real 16550 UART.
Here's a summary of the issues I know about. My guess is
that
you're seeing the first one, so I'd start by checking your
MP firmware revision.
* serial console device lockup
- system responds via network
- no input or output via serial console device
- occurs when application opens device while transmit
buffer contains
polled-mode kernel output, typically during boot
- INIT dump shows CPUs in idle loop
- after system reset, MP event log shows
"BOOT_PLAT_CONSOLE_DEV_FAILED"
or similar event
- hang is resolved only by MP reset; system reset is not
sufficient
- resolved in MP firmware E.03.29 or later (rx16x0,
rx26x0, rx4640, rx5670)
- resolved in MP firmware F.01.39 or later (rx3600,
rx6600)
* serial console driver deadlock
- system completely unresponsive to all devices
- INIT dump shows one or more CPUs in
ia64_spinlock_contention,
waiting for a ttyS UART lock (lock ptr in r31)
* serial device out of sync with driver
- system responds via network
- serial output stops
- sending serial input generates an interrupt that
causes up to 16
more characters of output
- re-opening the device fixes the problem
* serial device drops interrupt
- system responds via network
- serial output stops
- sending serial input generates an interrupt that
resolves the problem
> EFI Time Services Driver v0.4
> Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports,
IRQ sharing enabled
> 00:04: ttyS0 at MMIO 0xff5e0000 (irq = 49) is a 16550A
> 00:05: ttyS1 at MMIO 0xff5e2000 (irq = 50) is a 16550A
> GSI 82 (level, low) -> CPU 1 (0x0100) vector 51
> ACPI: PCI Interrupt 0000:e0:01.0[A] -> GSI 82
(level, low) -> IRQ 51
> 0000:e0:01.0: ttyS2 at MMIO 0xf8031000 (irq = 51) is a
16550A
> ACPI: PCI Interrupt 0000:e0:01.1[A] -> GSI 82
(level, low) -> IRQ 51
> 0000:e0:01.1: ttyS3 at MMIO 0xf8030000 (irq = 51) is a
16550A
> Couldn't register serial port 0000:e0:01.1: -28
> RAMDISK driver initialized: 16 RAM disks of 32768K size
1024 blocksize
> mice: PS/2 mouse device common for all mice
> TCP bic registered
> NET: Re
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