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
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