From: Wei Liu <wei.liu2@citrix.com>
To: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Juergen Gross <jgross@suse.com>,
wei.liu2@citrix.com, Ian.Campbell@citrix.com,
stefano.stabellini@eu.citrix.com, ian.jackson@eu.citrix.com,
xen-devel@lists.xen.org, roger.pau@citrix.com
Subject: Re: [PATCH v5 6/9] libxc: create unmapped initrd in domain builder if supported
Date: Wed, 25 Nov 2015 16:18:32 +0000 [thread overview]
Message-ID: <20151125161832.GF15747@citrix.com> (raw)
In-Reply-To: <5655DDDC.5000005@oracle.com>
On Wed, Nov 25, 2015 at 11:12:12AM -0500, Boris Ostrovsky wrote:
> On 11/12/2015 08:43 AM, Juergen Gross wrote:
> >In case the kernel of a new pv-domU indicates it is supporting an
> >unmapped initrd, don't waste precious virtual space for the initrd,
> >but allocate only guest physical memory for it.
>
> This patch breaks 32-bit pygrub.
>
This particular patch?
We discovered a bug in mini-os that caused 32-bit pygrub to break withi
this series. It's now fixed in mini-os upstream. Check Config.mk for
mini-os commit that fixes the bug.
> I am not 100% sure yet but it may be that only 64-bit guests are affected.
>
> With RHEL5 I get
> initrd extends beyond end of memory (0x780080eda000 > 0x40000000)
>
But this is different from what we found. We need more information.
My wild guess is RHEL5 advertise it supports unmapped initrd but it was
buggy in some way.
Wei.
>
> -boris
next prev parent reply other threads:[~2015-11-25 16:18 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-12 13:43 [PATCH v5 0/9] libxc: support building large pv-domains Juergen Gross
2015-11-12 13:43 ` [PATCH v5 1/9] libxc: reorganize domain builder guest memory allocator Juergen Gross
2015-11-12 13:48 ` Wei Liu
2015-11-12 14:03 ` Juergen Gross
2015-11-12 14:47 ` Wei Liu
2015-11-12 14:47 ` Ian Campbell
2015-11-12 14:48 ` Wei Liu
2015-11-12 15:27 ` Juergen Gross
2015-11-12 15:55 ` Wei Liu
2015-11-13 4:41 ` Juergen Gross
2015-11-13 9:28 ` Ian Campbell
2015-11-13 11:13 ` Wei Liu
2015-11-12 13:43 ` [PATCH v5 2/9] xen: add generic flag to elf_dom_parms indicating support of unmapped initrd Juergen Gross
2015-11-12 13:43 ` [PATCH v5 3/9] libxc: rename domain builder count_pgtables to alloc_pgtables Juergen Gross
2015-11-12 13:43 ` [PATCH v5 4/9] libxc: introduce domain builder architecture specific data Juergen Gross
2015-11-12 13:43 ` [PATCH v5 5/9] libxc: use domain builder architecture private data for x86 pv domains Juergen Gross
2015-11-12 13:43 ` [PATCH v5 6/9] libxc: create unmapped initrd in domain builder if supported Juergen Gross
2015-11-25 16:12 ` Boris Ostrovsky
2015-11-25 16:18 ` Wei Liu [this message]
2015-11-25 16:24 ` Boris Ostrovsky
2015-11-25 16:29 ` Ian Campbell
2015-11-25 16:31 ` Wei Liu
2015-11-25 16:34 ` Boris Ostrovsky
2015-11-26 5:06 ` Juergen Gross
2015-11-26 5:19 ` Juergen Gross
2015-11-26 7:35 ` Juergen Gross
2015-11-30 10:20 ` Wei Liu
2015-11-30 10:23 ` Juergen Gross
2015-11-30 10:29 ` Wei Liu
2015-11-30 10:34 ` Ian Campbell
2015-11-30 10:47 ` Juergen Gross
2015-11-30 10:51 ` Ian Campbell
2015-11-30 10:52 ` Ian Campbell
2015-11-30 11:03 ` Juergen Gross
2015-11-30 11:23 ` Ian Campbell
2015-11-30 12:20 ` Juergen Gross
2015-11-30 12:35 ` Ian Campbell
2015-11-30 12:59 ` Juergen Gross
2015-11-30 13:16 ` pvgrub "Error 9: Unknown boot failure" booting Debian Jessie kernel (Was: Re: [PATCH v5 6/9] libxc: create unmapped initrd in domain builder if supported) Ian Campbell
2015-11-30 13:41 ` Ian Campbell
2015-11-30 14:10 ` Ian Campbell
2015-11-30 16:15 ` Juergen Gross
2015-11-30 16:25 ` Ian Campbell
2015-11-30 16:56 ` Ian Campbell
2015-12-01 7:15 ` Juergen Gross
2015-12-01 7:41 ` Juergen Gross
2015-12-01 8:30 ` Ian Campbell
2015-12-01 8:53 ` Juergen Gross
2015-12-01 10:01 ` Ian Campbell
2015-12-01 10:04 ` Ian Campbell
2015-12-01 10:21 ` Wei Liu
2015-12-01 10:31 ` Ian Campbell
2015-12-01 10:33 ` Wei Liu
2015-12-01 10:35 ` Ian Campbell
2015-12-01 10:47 ` Juergen Gross
2015-12-01 8:32 ` Ian Campbell
2015-12-01 11:12 ` dom builder logging from pvgrub Ian Campbell
2015-12-01 12:17 ` Samuel Thibault
2015-11-30 10:57 ` [PATCH v5 6/9] libxc: create unmapped initrd in domain builder if supported Juergen Gross
2015-11-30 18:00 ` Boris Ostrovsky
2015-11-12 13:43 ` [PATCH v5 7/9] libxc: split p2m allocation in domain builder from other magic pages Juergen Gross
2015-11-12 13:43 ` [PATCH v5 8/9] libxc: rework of domain builder's page table handler Juergen Gross
2015-11-12 13:47 ` Wei Liu
2015-11-12 13:48 ` Juergen Gross
2015-11-16 13:40 ` Ian Campbell
2015-11-16 14:32 ` Juergen Gross
2015-11-18 16:11 ` Boris Ostrovsky
2015-11-18 16:16 ` Wei Liu
2015-11-18 16:21 ` Boris Ostrovsky
2015-11-19 6:09 ` Juergen Gross
2015-11-19 13:41 ` Boris Ostrovsky
2015-11-12 13:43 ` [PATCH v5 9/9] libxc: create p2m list outside of kernel mapping if supported Juergen Gross
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