[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Xen doesnt recognize my root fs, while native kernel can ???
What a shame!!! I think I should go hanging myself!!! Good bye forever! Best wishes to you and Xen project!!!!! Jun On 6/13/07, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote: > -----Original Message----- > From: Keir Fraser [mailto:keir@xxxxxxxxxxxxx] > Sent: 13 June 2007 10:45 > To: Jun Koi; Petersson, Mats > Cc: xen-devel > Subject: Re: [Xen-devel] Xen doesnt recognize my root fs, > while native kernel can ??? > > > That's fine. My conclusion is that this is user error: you > are trying to > mount /boot/sda2 and you actually mean /dev/sda2. Well spotted. I just expected it to say "/dev/" rather than "/boot/". -- Mats > > -- Keir > > On 13/6/07 10:21, "Jun Koi" <junkoi2004@xxxxxxxxx> wrote: > > > Here is the screenshot taken with a digital camera. I hope > the screen > > is clear enough for you to see. > > > > Thanks, > > Jun > > > > > > > > On 6/13/07, Jun Koi <junkoi2004@xxxxxxxxx> wrote: > >> Hi Mats, > >> > >> On 6/13/07, Petersson, Mats <Mats.Petersson@xxxxxxx> wrote: > >>> > >>> > >>>> -----Original Message----- > >>>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx > >>>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf > Of Jun Koi > >>>> Sent: 13 June 2007 09:54 > >>>> To: Keir Fraser > >>>> Cc: xen-devel > >>>> Subject: Re: [Xen-devel] Xen doesnt recognize my root fs, > >>>> while native kernel can ??? > >>>> > >>>> On 6/13/07, Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> wrote: > >>>>> On 13/6/07 08:49, "Jun Koi" <junkoi2004@xxxxxxxxx> wrote: > >>>>> > >>>>>>>> The point is that Xen doesnt boot in the first place, > >>>> so I cannot > >>>>>>>> provide xm dmesg! > >>>>>>>> > >>>>>>>> Below is the output from dmesg (native kernel) and > >>>> Dom0's .config. > >>>>>>>> Anything else do you need? > >>>>>>> > >>>>>>> Can you get a serial line on the machine? > >>>>>> > >>>>>> Opps, that is compicated, as I dont have a cable to do that. > >>>>>> > >>>>>> So if you have no suggestion, perhaps I must try this > >>>> way. But perhaps > >>>>>> it take more than a week, as I am away in few days. > >>>>> > >>>>> There's a decent chance that comparing the two dmesg > >>>> outputs will show some > >>>>> important deviation in the case of running on Xen that is > >>>> causing the boot > >>>>> failure. Without the failing output it's hard to know > where to start > >>>>> looking. > >>>>> > >>>> > >>>> I see, but can you imagine some reasons why that > happens? It makes > >>>> absolute no sense to me. > >>> > >>> There are lots of possible reasons. The most likely is > that your kernel > >>> in the native has drivers that are not part of the Xen default > >>> configuration. > >>> > >>> The other very common problem is that you don't have > those necessary > >>> drivers in the "initrd" for your Xen. This is a problem > that is posted > >>> about three times a week (at least) on the Xen Users > mailing list [where > >>> this problem probably should be discussed - but I think since it's > >>> started here, we'll keep it here]. > >>> > >> > >> No, that is not a reason in my case. I did it this way: > >> - Native kernel (2.6.18) is compiled with all the necessary drivers > >> built-in. That means I dont need initrd to boot my machine > with this > >> kernel. And it boots well. > >> - I copied the .config of native kernel above to Dom0, and compile > >> Dom0 with this option. (Of course before compiling, I enabled Xen > >> option, as you can see in the .config of Dom0 I sent in the last > >> mail). Again this time I dont need initrd. > >> > >> So it is logical that Dom0 must boot, but it fails > actually. That is > >> why I find the situation very strange. > >> > >> > >>>> I have found that my machine has no serial port, so > perhaps I must buy > >>>> a serial card to debug this problem. Wonder if there is > another way to > >>>> avoid that (?) > >>> If you have a digital camera and you add "noreboot" to > the commandline > >>> of "xen.gz" in your grub configuration, maybe you can > upload (to some > >>> photo-web-site or such) a screen-shot of the final few > lines of the boot > >>> and send a link to the list - that may not give all > clues, but at least > >>> it will indicate what's going on. > >> > >> OK, I will do that, as it is not desired to buy a serial card :-) > >> > >> Thanks, > >> Jun > >> > > > > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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