From: Bjorn Helgaas <bjorn.helgaas@hp.com>
To: Andrew Morton <akpm@osdl.org>
Cc: Khalid Aziz <khalid_aziz@hp.com>,
linux-kernel@vger.kernel.org, linux-ia64@vger.kernel.org,
linux-acpi@intel.com
Subject: Re: 2.6.13-rc3-mm3
Date: Mon, 01 Aug 2005 15:36:47 +0000 [thread overview]
Message-ID: <200508010936.47741.bjorn.helgaas@hp.com> (raw)
In-Reply-To: <20050729161751.34705ac6.akpm@osdl.org>
On Friday 29 July 2005 5:17 pm, Andrew Morton wrote:
> Khalid Aziz <khalid_aziz@hp.com> wrote:
> >
> > Serial console is broken on ia64 on an HP rx2600 machine on
> > 2.6.13-rc3-mm3. When kernel is booted up with "console=ttyS,...", no
> > output ever appears on the console and system is hung. So I booted the
> > kernel with "console=uart,mmio,0xff5e0000" to enable early console and
> > here is how far the kernel got before hanging:
> > Serial: 8250/16550 driver $Revision: 1.90 $ 6 ports, IRQ sharing enabled
> > ...
> > No ttyS device at MMIO 0xff5e0000 for console
> >
> > Serial driver failed to find any serial ports. I am using defconfig. A
> > 2.6.13-rc3 kernel (no mm3 patch) compiled with defconfig boots up fine
> > and finds all serial ports.
Your rc3-mm3 boot is also missing this:
IOC: zx1 2.2 HPA 0xfed01000 IOVA space 1024Mb at 0x40000000
So something's busted with ACPI. Both the IOC and the rx2600 serial
ports should be discovered via ACPI.
prev parent reply other threads:[~2005-08-01 15:36 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20050728025840.0596b9cb.akpm@osdl.org>
[not found] ` <1122678354.20867.48.camel@lyra.fc.hp.com>
2005-07-29 23:17 ` 2.6.13-rc3-mm3 Andrew Morton
2005-07-30 15:33 ` 2.6.13-rc3-mm3 Khalid Aziz
2005-07-30 18:02 ` 2.6.13-rc3-mm3 Andrew Morton
2005-08-01 15:36 ` Bjorn Helgaas [this message]
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