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Message #125011
[Bug 1460941] Re: arm64: crash: invalid/unsupported page size: 6144
** Branch linked: lp:ubuntu/vivid-proposed/crash
** Branch linked: lp:ubuntu/trusty-proposed/crash
** Branch linked: lp:ubuntu/utopic-proposed/crash
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https://bugs.launchpad.net/bugs/1460941
Title:
arm64: crash: invalid/unsupported page size: 6144
Status in crash package in Ubuntu:
Fix Released
Status in crash source package in Trusty:
Fix Committed
Status in crash source package in Utopic:
Fix Committed
Status in crash source package in Vivid:
Fix Committed
Status in crash source package in Wily:
Fix Released
Bug description:
[Impact]
crash in ARM64 can't be used on ubuntu trusty, utopic and vivid when
debugging a new kernel like 4.1-rc+
[Test Case]
sudo crash ~/vmlinux
crash will exit with failure log of 'crash: invalid/unknown page size:
6144', see detailed steps in [1].
[Regression Potential]
The proposed patch has been merged upstream, so there shouldn't be
potential regression.
Also These changes are to code that only gets compiled on arm64, so
there's no risk to other architectures.
[Other Info]
After running crash from trusty, the failure log in [1] can be
observed.
Then I built crash from wily directly, the similar failure[2] can be
observed too.
[1] failure log
ubuntu@am2:~/git/crash-wily$ sudo crash ~/vmlinux
crash 7.0.3
Copyright (C) 2002-2013 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
crash: invalid/unknown page size: 6144
[2]
ubuntu@am2:~/git/crash-wily$ sudo ./crash ~/vmlinux
[sudo] password for ubuntu:
crash 7.0.8
Copyright (C) 2002-2014 Red Hat, Inc.
Copyright (C) 2004, 2005, 2006, 2010 IBM Corporation
Copyright (C) 1999-2006 Hewlett-Packard Co
Copyright (C) 2005, 2006, 2011, 2012 Fujitsu Limited
Copyright (C) 2006, 2007 VA Linux Systems Japan K.K.
Copyright (C) 2005, 2011 NEC Corporation
Copyright (C) 1999, 2002, 2007 Silicon Graphics, Inc.
Copyright (C) 1999, 2000, 2001, 2002 Mission Critical Linux, Inc.
This program is free software, covered by the GNU General Public License,
and you are welcome to change it and/or distribute copies of it under
certain conditions. Enter "help copying" to see the conditions.
This program has absolutely no warranty. Enter "help warranty" for details.
crash: invalid/unsupported page size: 6144
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References