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Re: amd64 domU kernels hanging

On 5/27/11 11:03 PM, Jeff Rizzo wrote:
Both an INSTALL and regular domU kernel seem to be hanging during boot in -current (amd64, haven't tested i386pae) at the moment. I observe this both on my NetBSD dom0 system, and rackspace's linux dom0. I haven't had a chance to see how far back this goes yet; I'll look into it tomorrow unless someone else knows what's up:

Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
    2006, 2007, 2008, 2009, 2010, 2011
    The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.

NetBSD 5.99.52 (INSTALL_XEN3_DOMU) #0: Fri May 27 06:36:44 UTC 2011
total memory = 512 MB
avail memory = 481 MB
mainbus0 (root)
hypervisor0 at mainbus0: Xen version 3.3
vcpu0 at hypervisor0: Intel(R) Core(TM) i5-2400 CPU @ 3.10GHz, id 0x206a7
xenbus0 at hypervisor0: Xen Virtual Bus Interface
xencons0 at hypervisor0: Xen Virtual Console Driver
xencons0: using event channel 2
xbd0 at xenbus0 id 1: Xen Virtual Block Device Interface
xbd1 at xenbus0 id 2: Xen Virtual Block Device Interface
xbd2 at xenbus0 id 3: Xen Virtual Block Device Interface
xennet0 at xenbus0 id 0: Xen Virtual Network Interface
xennet0: MAC address 02:02:02:11:11:11
balloon0 at xenbus0 id 0: Xen Balloon driver
balloon0: current reservation: 524288 KiB

The problematic commit is this one:


...without it, the amd64 XEN3_DOMU kernel boots fine. With it, hang on boot, as above. I haven't yet looked into exactly what's happening.


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