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From: HW42 <hw42@ipsumj.de>
To: Juergen Gross <jgross@suse.com>,
	linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org
Cc: boris.ostrovsky@oracle.com, stable@vger.kernel.org
Subject: Re: [PATCH v2] xen: fix booting ballooned down hvm guest
Date: Thu, 26 Oct 2017 15:40:00 +0000	[thread overview]
Message-ID: <4ec47fee-d806-7f10-6e7e-93d2c7068ebc@ipsumj.de> (raw)
In-Reply-To: <20171026095056.3169-1-jgross@suse.com>


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Juergen Gross:
> Commit 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
> online new memory initially") introduced a regression when booting a
> HVM domain with memory less than mem-max: instead of ballooning down
> immediately the system would try to use the memory up to mem-max
> resulting in Xen crashing the domain.
> 
> For HVM domains the current size will be reflected in Xenstore node
> memory/static-max instead of memory/target.
> 
> Additionally we have to trigger the ballooning process at once.
> 
> Cc: <stable@vger.kernel.org> # 4.13
> Fixes: 96edd61dcf44362d3ef0bed1a5361e0ac7886a63 ("xen/balloon: don't
>        online new memory initially")
> 
> Reported-by: Simon Gaiser <hw42@ipsumj.de>
> Suggested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
> Signed-off-by: Juergen Gross <jgross@suse.com>

Fixes the issues for me. Thanks.


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      parent reply	other threads:[~2017-10-26 15:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-26  9:50 Juergen Gross
2017-10-26 14:12 ` Boris Ostrovsky
2017-10-26 22:55   ` Boris Ostrovsky
2017-10-26 15:40 ` HW42 [this message]

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