WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] [Xen-users] kernel panic in domU

To: jinho hwang <hwang.jinho@xxxxxxxxx>
Subject: Re: [Xen-devel] [Xen-users] kernel panic in domU
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Tue, 20 Sep 2011 18:32:53 -0700
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 20 Sep 2011 18:38:10 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <CAPQGAnFCgAn8h-wmcM-syJEP-g0fOr739HkwvF1RqRXZ=hzF+Q@xxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <CAPQGAnFCgAn8h-wmcM-syJEP-g0fOr739HkwvF1RqRXZ=hzF+Q@xxxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:6.0.2) Gecko/20110906 Thunderbird/6.0.2
On 09/20/2011 02:27 PM, jinho hwang wrote:
>
> Hi All,
>
> I'm using xen 4.0.1, kernel 2.6.32.45 for DomU, kernel 2.6.32.46 for
> Dom0. I also use pygrub to boot the domU kernel in the xen. I tried
> all the things I know for making this work, but unfortunately it does
> not work at this moment.
> The kernel shows panic message and then escapes. The following is
> thetrace.. it tells me that the hypercall_page might trigger the
> xen_panic_event and then kernel got it to make itself panic.
>
> -----------------------------------------------------------------------------
> cs:eip: 0061:c04023a7 hypercall_page+0x3a7
> flags: 00001286 i s nz p
> ss:esp: 0069:dfc1ff14
> eax: 00000000    ebx: 00000002    ecx: dfc1ff18    edx: 00000000
> esi: 00000000    edi: 00000000    ebp: dfc1ff28
>  ds:     007b     es:     007b     fs:     00d8     gs:     0000
> Code (instr addr c04023a7)
> cc cc cc cc cc cc cc cc cc cc cc cc cc cc b8 1d 00 00 00 cd 82 <c3> cc
> cc cc cc cc cc cc cc cc cc
>
>
> Stack:
>  c04036f2 00000003 c086ecc8 00000000 00000000 dfc1ff44 c06f7e45 c092b99c
>  c0874c24 dfc22cc0 c087379c dfc22cc0 dfc1ff54 c06f7e89 ffffffff 00000000
>  dfc1ff70 c06f3e55 c07da467 c092b99c dfc1ff7c dfc22cc0 c087379c dfc1ffa4
>  c043eba9 c07da8ae c0406fab c040b33b dfc10000 00000000 00000001 dfc1ff90
>
> Call Trace:
>   [<c04023a7>] hypercall_page+0x3a7  <--
>   [<c04036f2>] xen_panic_event+0x1d
>   [<c06f7e45>] notifier_call_chain+0x26
>   [<c06f7e89>] atomic_notifier_call_chain+0xf
>   [<c06f3e55>] panic+0x59
>   [<c043eba9>] do_exit+0x5c
>   [<c0406fab>] xen_restore_fl_direct_reloc+0x4
>   [<c040b33b>] do_softirq+0xd5
>   [<c043f1f1>] sys_exit+0x13
>   [<c0409389>] syscall_call+0x7
> -----------------------------------------------------------------------------
>
> I also include some logs from console.
>
> -------------------------------------------------------------------------------
> cpuidle: using governor ladder
> cpuidle: using governor menu
> usbcore: registered new interface driver hiddev
> usbcore: registered new interface driver usbhid
> usbhid: v2.6:USB HID core driver
> nf_conntrack version 0.5.0 (7992 buckets, 31968 max)
> CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Please use
> nf_conntrack.acct=1 kernel parameter, acct=1 nf_conntrack module option or
> sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
> ip_tables: (C) 2000-2006 Netfilter Core Team
> TCP cubic registered
> Initializing XFRM netlink socket
> NET: Registered protocol family 17
> Bridge firewalling registered
> Using IPI No-Shortcut mode
> registered taskstats version 1
> XENBUS: Device with no driver: device/vbd/51714
> XENBUS: Device with no driver: device/vbd/51713
> XENBUS: Device with no driver: device/console/0
>   Magic number: 1:252:3141
> Freeing unused kernel memory: 464k freed
> Write protecting the kernel text: 3048k
> Write protecting the kernel read-only data: 1464k
> Loading, please wait...
> <30>udev[493]: starting version 167
> Begin: Loading essential drivers ... JINHO: 1. xlblk_init called
> JINHO: 2. xlblk_init called
> JINHO: 3. xlblk_init called
> blkfront: xvda2: barriers enabled (tag)
> Setting capacity to 8388608
> blkfront: xvda1: barriers enabled (tag)
> Setting capacity to 2097152
> xvda1: detected capacity change from 0 to 1073741824
> done.
> Begin: Running /scripts/init-premount ... done.
> Begin: Mounting root file system ... Begin: Running /scripts/local-top
> ... done.
> Begin: Running /scripts/local-premount ... done.
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs: mounted filesystem with writeback data mode.
> Begin: Running /scripts/local-bottom ... done.
> done.
> Begin: Running /scripts/init-bottom ... done.
> run-init: /sbin/init: No such file or directory
> Kernel panic - not syncing: Attempted to kill init!
> Pid: 1, comm: run-init Not tainted 2.6.32.45 #1
> Call Trace:
>  [<c06f3efc>] ? printk+0xf/0x13
>  [<c06f3e35>] panic+0x39/0xf1
>  [<c043eba9>] do_exit+0x5c/0x5cf
>  [<c0406fab>] ? xen_restore_fl_direct_end+0x0/0x1
>  [<c040b33b>] ? do_softirq+0xd5/0xde
>  [<c043f1f1>] complete_and_exit+0x0/0x17
>  [<c0409389>] syscall_call+0x7/0xb
> ------------------------------------------------------------------
>
> Please help me to solve this problem. I have spent one week with this
> problem.

It looks like there's something wrong with your filesystem
configuration: it is missing an /sbin/init.  When this fails to start,
the kernel panics as it has no way to start up the usermode environment
without it.

    J

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>