From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [ARM] Bash often segfaults in Dom0 with the latest Xen Date: Wed, 05 Jun 2013 18:53:04 +0100 Message-ID: <51AF7B00.5020401@linaro.org> References: <51AE6DFD.3060308@linaro.org> <51AF25A2.5010207@linaro.org> <51AF6354.4090701@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Christoffer Dall Cc: Andre Przywara , Ian Campbell , Stefano Stabellini , xen-devel List-Id: xen-devel@lists.xenproject.org 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