From: Julien Grall <julien.grall@linaro.org>
To: Christoffer Dall <christoffer.dall@linaro.org>
Cc: Andre Przywara <andre.przywara@calxeda.com>,
Ian Campbell <Ian.Campbell@citrix.com>,
Stefano Stabellini <Stefano.Stabellini@eu.citrix.com>,
xen-devel <xen-devel@lists.xen.org>
Subject: Re: [ARM] Bash often segfaults in Dom0 with the latest Xen
Date: Wed, 05 Jun 2013 18:53:04 +0100 [thread overview]
Message-ID: <51AF7B00.5020401@linaro.org> (raw)
In-Reply-To: <CAMJs5B_R=s=V-fOiXQf4OV_FxXo7b8rsQgkz6wneusgmS8SB1A@mail.gmail.com>
On 06/05/2013 06:36 PM, Christoffer Dall wrote:
>>
>> I'm using the linaro's branch ll_20130528.0, I have only few patches for
>> the dts and not yet in linaro tree patches.
>>
>> I have the same issue with linux 3.9-rc4 with multiple CPUs and I can't
>> really go before without carrying many xen patches to try it.
>>
>> I have tried different configuration with the number of CPUs in Xen
>> (pCPU) and linux (vCPU):
>> - 2 pCPU 2 vCPU : segfaulting
>> - 2 pCPU 1 vCPU : working
>> - 1 pCPU 1 vCPU : working
>> - 1 pCPU 2 vCPU : very slow but working
>>
> 2 pCPU 1 vCPU are you still compiling your dom0 as an SMP kernel, but
> only creating 1 vCPU or are you actually compiling the dom0 as UP?
Yes. It's same kernel with the same command line (ie without nosmp).
I have limited the number of dom0 vcpus with dom0_max_vcpus=1 on xen
command line.
--
Julien
next prev parent reply other threads:[~2013-06-05 17:53 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-04 22:45 [ARM] Bash often segfaults in Dom0 with the latest Xen Julien Grall
2013-06-05 1:38 ` Christoffer Dall
2013-06-05 9:52 ` Ian Campbell
2013-06-05 11:48 ` Julien Grall
2013-06-05 14:30 ` Christoffer Dall
2013-06-05 15:18 ` Ian Campbell
2013-06-05 16:12 ` Julien Grall
2013-06-05 16:46 ` Stefano Stabellini
2013-06-05 17:36 ` Christoffer Dall
2013-06-05 17:53 ` Julien Grall [this message]
2013-06-05 17:57 ` Christoffer Dall
2013-06-05 18:01 ` Stefano Stabellini
2013-06-05 18:17 ` Christoffer Dall
2013-06-05 18:36 ` Julien Grall
2013-06-11 11:48 ` Julien Grall
2013-06-11 14:25 ` Christoffer Dall
2013-06-05 9:38 ` Ian Campbell
2013-06-05 10:39 ` Julien Grall
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=51AF7B00.5020401@linaro.org \
--to=julien.grall@linaro.org \
--cc=Ian.Campbell@citrix.com \
--cc=Stefano.Stabellini@eu.citrix.com \
--cc=andre.przywara@calxeda.com \
--cc=christoffer.dall@linaro.org \
--cc=xen-devel@lists.xen.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.