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Re: [Xen-users] domU does not fully boot

To: rafkind@xxxxxxxxxxx
Subject: Re: [Xen-users] domU does not fully boot
From: Abdul Qadeer <qadeer.qadeer@xxxxxxxxx>
Date: Thu, 12 Feb 2009 08:58:13 +0500
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
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I guess this problem is related to TLS and the Xen documentation
says something to disable TLS.

Abdul Qadeer

On Thu, Feb 12, 2009 at 6:44 AM, Jon Rafkind <rafkind@xxxxxxxxxxx> wrote:
I just started using xen and need some help getting going. I'm using xen-3.3. So far I've created two kernels by editing configs/Linux.mk so that I have and 2.6.18-8-xenU. The xen kernel has some extra configuration options, the xenU kernel is the default config that comes with the xen distribution.

I'm booted into the xen dom0 kernel and have created a root disk for the domU machine. The bootup screen gets to the point where it says "Continue..." and doesn't get further. I tried using gdbserver-xen but the backtrace I see is useless hex addresses, I can't get any useful info from it. I'm not sure how to debug further. Can anyone provide a tip?

Here is the console from domU:

$ sudo xm console test
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
Xen virtual console successfully installed as xvc0                  Event-channel device installed.                  netfront: Initialising virtual ethernet driver.
i8042.c: No controller found.                 mice: PS/2 mouse device common for all mice
TCP bic registered                        NET: Registered protocol family 1
NET: Registered protocol family 17
Using IPI No-Shortcut mode       xen-vbd: registered block device major 8
blkfront: sda2: barriers enabled       XENBUS: Device with no driver: device/console/0
Freeing unused kernel memory: 140k freed      kjournald starting.  Commit interval 5 seconds
EXT3-fs: mounted filesystem with ordered data mode.
 ** WARNING: Currently emulating unsupported memory accesses  **
 **          in /lib/tls glibc libraries. The emulation is    **
 **          slow. To ensure full performance you should      **
 **          install a 'xen-friendly' (nosegneg) version of   **
 **          the library, or disable tls support by executing **
 **          the following as root:                           **
 **          mv /lib/tls /lib/tls.disabled                    **
 ** Offending process: modprobe (pid=663)                     **

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