From: Julien Grall <julien.grall@arm.com>
To: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
Xen-devel <xen-devel@lists.xen.org>
Cc: Stefano Stabellini <sstabellini@kernel.org>,
Wei Liu <wei.liu2@citrix.com>
Subject: Re: [TESTDAY] Test report
Date: Sat, 14 May 2016 19:15:55 +0100 [thread overview]
Message-ID: <57376B5B.3060102@arm.com> (raw)
In-Reply-To: <20160513203444.GJ16305@toto>
Hello Edgar,
Thank you for the testing.
On 13/05/2016 21:34, Edgar E. Iglesias wrote:
> * Hardware: ZCU102 ZynqMP board
> * Software: Rolled my own dom0 linux
> * Tested: Start dom0
>
> The test fails with the following error:
> (XEN) I/O virtualisation enabled
> (XEN) - Dom0 mode: Relaxed
> (XEN) Interrupt remapping enabled
> (XEN) *** LOADING DOMAIN 0 ***
> (XEN) Loading kernel from boot module @ 0000000000080000
> (XEN) Allocating 1:1 mappings totalling 512MB for dom0:
> (XEN) BANK[0] 0x00000020000000-0x00000040000000 (512MB)
> (XEN) Grant table range: 0x0000007fe00000-0x0000007fe5f000
> (XEN) smmu: /amba/smmu@fd800000: d0: p2maddr 0x000000007ff64000
> (XEN) Device tree generation failed (-22).
You could uncomment //#define DEBUG_DT in domain_build.c, rebuild and
paste the log here?
>
> It's the PCIe node that is causing trouble, the bindings are here:
> http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/tree/Documentation/devicetree/bindings/pci/xilinx-nwl-pcie.txt
>
> It's that inner interrupt-controller node that is causing problems as
> Xen/ARM only supports one interrupt-controller node (IIUC).
It should not matter, unless the interrupt controller is used to
describe some interrupts in device-tree.
Is this node used later in the DT?
>
> Disabling the pcie node for zynqmp boards gets dom0 to boot (obviously
> without PCIe support).
>
> Does it make sense to try to fix this problem this late inte the
> release cycle? (I can have a closer look and propose a possible fix
> for discussion)
I would try to fix it in Xen 4.7 if the patch is simple. Otherwise we
could backport it after the release.
>
> Or should we disable the PCIe for ZynqMP for now and try to fix this
> properly for 4.8?
Was PCIe working on Xen 4.6? If yes, it's the regression and we could
consider it as a blocker for the release (CC Wei for that).
Cheers,
--
Julien Grall
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next prev parent reply other threads:[~2016-05-14 18:15 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-13 20:34 [TESTDAY] Test report Edgar E. Iglesias
2016-05-14 18:15 ` Julien Grall [this message]
2016-05-14 19:04 ` Edgar E. Iglesias
2016-05-16 9:58 ` Wei Liu
2016-05-16 13:20 ` Julien Grall
2016-05-16 13:41 ` Edgar E. Iglesias
2016-05-16 13:43 ` Julien Grall
-- strict thread matches above, loose matches on Subject: below --
2017-05-23 17:03 Andrii Anisov
2017-05-23 20:14 ` Stefano Stabellini
2017-05-25 10:17 ` Julien Grall
2017-05-25 18:41 ` Stefano Stabellini
2016-05-13 15:14 Tamas K Lengyel
2015-10-01 16:59 Tamas K Lengyel
2015-10-01 17:04 ` Wei Liu
2014-10-30 10:54 Jan Vejvalka
2014-10-30 14:39 ` Ian Campbell
2014-10-31 6:35 ` Jan Vejvalka
2014-10-30 14:58 ` Roger Pau Monné
2014-01-20 22:49 Don Slutz
2014-01-20 23:35 ` Konrad Rzeszutek Wilk
2014-01-23 10:51 ` Ian Campbell
2014-01-23 22:03 ` Don Slutz
2014-01-24 14:58 ` Konrad Rzeszutek Wilk
2014-01-24 16:43 ` Don Slutz
2014-01-24 19:06 ` Don Slutz
2014-01-24 19:20 ` Konrad Rzeszutek Wilk
2014-01-27 1:15 ` herbert cland
2012-09-19 7:04 Dariusz Krempa
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