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

["vineet chadha" <virtual.chadha@xxxxxxxxx>]

I had suggested that this problem should be documented and explained. I have moved to a different machine where it works fine (xen-3.0.2-2).

On 6/14/06, Taylor Lee <taylorl@xxxxxxxxxxxx> wrote:

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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主题: Xen-users Digest, Vol 16, Issue 86

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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
>
> 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




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

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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