From: Grzegorz Milos <gm281@cam.ac.uk>
To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@unisys.com>
Cc: xen-devel@lists.xensource.com
Subject: Re: Bugs in mini-os on i386 architecture
Date: Thu, 23 Mar 2006 19:26:24 +0000 [thread overview]
Message-ID: <4422F660.7070105@cam.ac.uk> (raw)
In-Reply-To: <EF8D308BE33AF54D8934DF26520252D3041DC816@USTR-EXCH5.na.uis.unisys.com>
This is not a bug (it's a feature :) ).
As soon as console is initialised the output is no longer printed to the
emergency console. It is available through the usual: xm console <dom_name>.
If you want to print something to the emergency console use newly
defined function: xprintk.
Cheers
Gregor
> I am finding the same issues with x86_64 too. So I think this patch
> needs to go in.
>
> Gregor, do you agree? I am also found that minios i386 and x86_64, now
> does not complete console_init() with the latest changeset
> 9364:22f1618cf57c. Any idea why this is happening?
>
> Cheers,
> Aravindh
>
> xenbox:~/xen/xen-unstable/extras/mini-os # xm create -c domain_config
> Using config file "domain_config".
> Started domain Mini-OS
> xenconsole: Could not read tty from store: No such file or directory
> Bootstrapping...
> Xen Minimal OS!
> start_info: ffffffff00028000
> nr_pages: 8192 shared_inf: 00faf000
> pt_base: ffffffff0002b000 mod_start: 0x0
> mod_len: 0
> flags: 0x0
> cmd_line:
> MM: Init
> _text: ffffffff00000000
> _etext: ffffffff0000c67a
> _edata: ffffffff0000de78
> stack start: ffffffff00014be0
> _end: ffffffff00017088
> start_pfn: 33
> max_pfn: 2000
> Mapping memory range 0xffffffff00400000 - 0xffffffff02000000
> MM: Initialise page allocator for
> ffffffff00041000(41000)-ffffffff02000000(2000000)
> MM: done
> Initialising timer interface
> Initialising console ...
>
>
>
>> -----Original Message-----
>> From: xen-devel-bounces@lists.xensource.com [mailto:xen-devel-
>> bounces@lists.xensource.com] On Behalf Of Melvin Anderson
>> Sent: Monday, March 20, 2006 10:18 AM
>> To: xen-devel@lists.xensource.com
>> Subject: [Xen-devel] Bugs in mini-os on i386 architecture
>>
>> I have been trying to get mini-os to run on i386 architecture,
>> (xen-unstable.hg, 9325:1ecb7f1ddc79) but have hit problems:
>>
>> -- header file extras/mini-os/include/console.h is missing,
>>
>> -- type mismatch in extras/mini-os/xenbus/xenbus_xs.c causes compile
>> to fail, and
>>
>> -- page fault occurs in extras/mini-os/mm.c because page directory
> table
>> entries are set up incorrectly. The array mmu_updates in
>> new_pt_frame()
>> has zero entries, but should have at least 1 entry.
>>
next prev parent reply other threads:[~2006-03-23 19:26 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-21 21:27 Bugs in mini-os on i386 architecture Puthiyaparambil, Aravindh
2006-03-23 19:26 ` Grzegorz Milos [this message]
-- strict thread matches above, loose matches on Subject: below --
2006-03-20 15:18 Melvin Anderson
2006-03-23 19:23 ` Grzegorz Milos
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