[Xen-users] 1. Re: Re: [Xen-devel] Re: switchroot mount failed

["Taylor Lee" <taylorl@xxxxxxxxxxxx>]

 I encountered same error when use Xen3.0.2(source file) on CentOS4.2, after I 
downgraded to Xen2.0.7(source file),  this error disappeared. now, I am using 
Xen2.0.7 instead of 3.0.2, it works well.

--taylor

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Today's Topics:

   1. Re: Re: [Xen-devel] Re: switchroot mount failed (Keir Fraser)
   2. Re: Re: [Xen-devel] Re: switchroot mount failed (vineet chadha)
   3. Re: Re: [Xen-devel] Re: switchroot mount failed (vineet chadha)
   4. Re: Re: [Xen-devel] Re: switchroot mount failed (Keir Fraser)
   5. Re: Re: [Xen-devel] Re: switchroot mount failed (vineet chadha)


----------------------------------------------------------------------

Message: 1
Date: Wed, 14 Jun 2006 21:49:34 +0100
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed
To: "vineet chadha" <virtual.chadha@xxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID: <a54a10fa58ffe500a08fef723e9715ea@xxxxxxxxxxxx>
Content-Type: text/plain; charset=US-ASCII; format=flowed


On 14 Jun 2006, at 21:28, vineet chadha wrote:

> Normal kernel is booting and detecting SCSI disk fine. When i boot in 
> Xen mode, it gives this problem. If you put search "switchroot mount 
> failed" in Xen user/dev list, u will see this has been a common issuse 
> with no solution posted.

I don't see any duplicates from anyone else if I use those search terms. 
Perhaps you can provide links to some threads with people having the same issue 
as you?

>  Yes, I also believe it is problem with xen kernel not detecting the 
> SCSI drivers or something.
> which log file u want me to check.

When the boot fails, do you see any lines of output from the kernel stating 
that it has found a block device 'sda'? If the machine reboots too quickly for 
you to read then try adding 'noreboot' to Xen's command line.

  -- Keir




------------------------------

Message: 2
Date: Wed, 14 Jun 2006 14:13:04 -0700
From: "vineet chadha" <virtual.chadha@xxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed
To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID:
        <2b50db750606141413i6790771dmdedc32bc347fd12c@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"

Here are links to see for switch root problem ( specifically first link is 
exactly similar).

http://lists.xensource.com/archives/html/xen-users/2006-06/msg00274.html
http://lists.xensource.com/archives/html/xen-users/2006-06/msg00272.html
http://lists.xensource.com/archives/html/xen-users/2006-05/msg00416.html

I have re-installed OS and xen in my system ( as i messed up  with grub when 
palying around it and in hope that i will rectify that error). I am not getting 
same error now but i am getting following error:

PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a report 
PCI : Bridge: 0000:01:00:0
  IO window :c000-cfff
  MEM window : fce00000-fcefffff
  PREFETCH window: e0000000-e01fffff
PCI : Bridge: 0000:01:00:2
  IO window :d000-dfff
  MEM window : fcf00000-fcffffff
  PREFETCH window: e0000000-e01fffff
PCI : Bridge: 0000:01:00:0
  IO window :c000-dfff
  MEM window : fce00000-fcefffff
  PREFETCH window: e0000000-e01fffff

I have tried pci=routeirq and apci=off, it still give me error

Yes, I know about noreboot option and I knew module were loaded and detected.
Thanks for helping me out. I have been trying to make xen work on dual core 
Xeon 2.8GhZ for last two days....and i have to try all options...so i am now 
not able to replicate same error. I am using Xen 3.0.2-2. Kindly guide me with 
this current error.

Regards,
Vineet


On 6/14/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
>
>
> On 14 Jun 2006, at 21:28, vineet chadha wrote:
>
> > Normal kernel is booting and detecting SCSI disk fine. When i boot 
> > in Xen mode, it gives this problem. If you put search "switchroot 
> > mount failed" in Xen user/dev list, u will see this has been a 
> > common issuse with no solution posted.
>
> I don't see any duplicates from anyone else if I use those search 
> terms. Perhaps you can provide links to some threads with people 
> having the same issue as you?
>
> >  Yes, I also believe it is problem with xen kernel not detecting the 
> > SCSI drivers or something.
> > which log file u want me to check.
>
> When the boot fails, do you see any lines of output from the kernel 
> stating that it has found a block device 'sda'? If the machine reboots 
> too quickly for you to read then try adding 'noreboot' to Xen's 
> command line.
>
> -- Keir
>
>
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Message: 3
Date: Wed, 14 Jun 2006 14:15:49 -0700
From: "vineet chadha" <virtual.chadha@xxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed
To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID:
        <2b50db750606141415k11b2de16h62187a36749ea37@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"

Adding to this, I have now build kernel with scsi Fusion MPT drivers builtin ( 
i am not sure if that has removed that error-- in fact I am not sure till this 
whole thing is working).

On 6/14/06, vineet chadha <virtual.chadha@xxxxxxxxx> wrote:
>
>  Here are links to see for switch root problem ( specifically first 
> link is exactly similar).
>
> http://lists.xensource.com/archives/html/xen-users/2006-06/msg00274.ht
> ml 
> http://lists.xensource.com/archives/html/xen-users/2006-06/msg00272.ht
> ml 
> http://lists.xensource.com/archives/html/xen-users/2006-05/msg00416.ht
> ml
>
> I have re-installed OS and xen in my system ( as i messed up  with 
> grub when palying around it and in hope that i will rectify that 
> error). I am not getting same error now but i am getting following error:
>
> PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a 
> report PCI : Bridge: 0000:01:00:0
>   IO window :c000-cfff
>   MEM window : fce00000-fcefffff
>   PREFETCH window: e0000000-e01fffff
> PCI : Bridge: 0000:01:00:2
>   IO window :d000-dfff
>   MEM window : fcf00000-fcffffff
>   PREFETCH window: e0000000-e01fffff
> PCI : Bridge: 0000:01:00:0
>   IO window :c000-dfff
>   MEM window : fce00000-fcefffff
>   PREFETCH window: e0000000-e01fffff
>
> I have tried pci=routeirq and apci=off, it still give me error
>
> Yes, I know about noreboot option and I knew module were loaded and 
> detected.
> Thanks for helping me out. I have been trying to make xen work on dual 
> core Xeon 2.8GhZ for last two days....and i have to try all 
> options...so i am now not able to replicate same error. I am using Xen 
> 3.0.2-2. Kindly guide me with this current error.
>
> Regards,
>  Vineet
>
>
>  On 6/14/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
>
> >
> > On 14 Jun 2006, at 21:28, vineet chadha wrote:
> >
> > > Normal kernel is booting and detecting SCSI disk fine. When i boot 
> > > in Xen mode, it gives this problem. If you put search "switchroot 
> > > mount failed" in Xen user/dev list, u will see this has been a 
> > > common issuse with no solution posted.
> >
> > I don't see any duplicates from anyone else if I use those search 
> > terms. Perhaps you can provide links to some threads with people 
> > having the same issue as you?
> >
> > >  Yes, I also believe it is problem with xen kernel not detecting 
> > > the SCSI drivers or something.
> > > which log file u want me to check.
> >
> > When the boot fails, do you see any lines of output from the kernel 
> > stating that it has found a block device 'sda'? If the machine 
> > reboots too quickly for you to read then try adding 'noreboot' to 
> > Xen's command line.
> >
> > -- Keir
> >
> >
>
>
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Message: 4
Date: Wed, 14 Jun 2006 22:13:40 +0100
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed
To: "vineet chadha" <virtual.chadha@xxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID: <a74e36b515f877f7b7816c0321e1a3e1@xxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed


On 14 Jun 2006, at 22:13, vineet chadha wrote:

> PCI: If a device doesn't work, try "pci=routeirq". If it helps, post a 
> report
> Â
> I have tried pci=routeirq and apci=off, it still give me error
> Â
> Yes, I know about noreboot option and I knew module were loaded and 
> detected.
> Thanks for helping me out. I have been trying to make xen work on dual 
> core Xeon 2.8GhZ for last two days....and i have to try all 
> options...so i am now not able to replicate same error. I am using Xen 
> 3.0.2-2. Kindly guide me with this current error.

The line above is not an error. It's just useful information if a PCI device 
happens not to work. You should ignore it.

  -- Keir




------------------------------

Message: 5
Date: Wed, 14 Jun 2006 14:22:11 -0700
From: "vineet chadha" <virtual.chadha@xxxxxxxxx>
Subject: Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed
To: "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxx>
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Message-ID:
        <2b50db750606141422o6ef57a08i1ae0ae5a7fd52a46@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset="iso-8859-1"

System hangs at this point. Any clue ?

On 6/14/06, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote:
>
>
> On 14 Jun 2006, at 22:13, vineet chadha wrote:
>
> > PCI: If a device doesn't work, try "pci=routeirq". If it helps, post 
> > a report
> >
> > I have tried pci=routeirq and apci=off, it still give me error
> >
> > Yes, I know about noreboot option and I knew module were loaded and 
> > detected.
> > Thanks for helping me out. I have been trying to make xen work on 
> > dual core Xeon 2.8GhZ for last two days....and i have to try all 
> > options...so i am now not able to replicate same error. I am using 
> > Xen 3.0.2-2. Kindly guide me with this current error.
>
> The line above is not an error. It's just useful information if a PCI 
> device happens not to work. You should ignore it.
>
> -- Keir
>
>
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