Re: [patch 134/149] x86, paravirt: Add a global synchronization point for pvclock

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From: Peter Palfrader
Date: Wednesday, July 7, 2010 - 5:47 am

Hey,

Greg KH schrieb am Donnerstag, dem 01. Juli 2010:


2.6.32.16 fails to boot on my KVM domains using qemu-kvm 0.11.1.

Bisecting between 2.6.32.14 which worked and .16 turned up this commit
as the first culprit[0].

The host is still running 2.6.32.14 and has 8 cores on 2 CPUs.  The
single-cpu KVM domain hangs just after printing 'Write protecting the
kernel read-only data: 9492k'[1].   On a successful boot this line would
usually be followed by 'INIT: version 2.86 booting'.

A 2.6.32.16 with this patch reverted boots fine.

If there's any info you need please just ask.

Cheers,
Peter

0.  http://asteria.noreply.org/~weasel/volatile/2010-07-07-x9KxN34l17c/fileztnjyZ
1.  http://asteria.noreply.org/~weasel/volatile/2010-07-07-VTRuAQGOKlY/zoe-2.6.32.16.png
2.  http://asteria.noreply.org/~weasel/volatile/2010-07-07-Fq0PVc1ecsc/config-2.6.32.16-ds...
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Messages in current thread:
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Peter Palfrader, (Wed Jul 7, 5:47 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Tue Jul 13, 11:21 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Tue Jul 13, 4:49 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 10:19 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 10:34 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 10:57 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 11:15 am)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 1:40 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 1:58 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 2:11 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 2:11 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Wed Jul 14, 2:11 pm)
Re: [patch 134/149] x86, paravirt: Add a global synchroniz ..., Jeremy Fitzhardinge, (Tue Jul 27, 10:46 am)
xchg() and cmpxchg(), H. Peter Anvin, (Tue Jul 27, 4:57 pm)
[tip:x86/urgent] x86: Add memory modify constraints to xch ..., tip-bot for H. Peter ..., (Tue Jul 27, 10:33 pm)
[tip:x86/asm] x86, asm: Clean up and simplify <asm/cmpxchg.h>, tip-bot for H. Peter ..., (Wed Jul 28, 4:28 pm)
[tip:x86/asm] x86, asm: Move cmpxchg emulation code to arc ..., tip-bot for H. Peter ..., (Thu Jul 29, 1:12 pm)
[tip:x86/asm] x86, asm: Merge cmpxchg_486_u64() and cmpxch ..., tip-bot for H. Peter ..., (Thu Jul 29, 1:13 pm)
Re: [tip:x86/urgent] x86: Add memory modify constraints to ..., Jeremy Fitzhardinge, (Mon Aug 2, 4:51 pm)
Re: [stable] [tip:x86/urgent] x86: Add memory modify const ..., Tomáš Janoušek, (Thu Sep 9, 12:53 pm)
Re: [stable] [tip:x86/urgent] x86: Add memory modify const ..., Tomáš Janoušek, (Thu Sep 9, 2:09 pm)
Re: [stable] [tip:x86/urgent] x86: Add memory modify const ..., Tomáš Janoušek, (Fri Sep 10, 6:10 am)
Re: [stable] [tip:x86/urgent] x86: Add memory modify const ..., Tomáš Janoušek, (Fri Sep 24, 12:17 am)