[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-devel] Testing status of fully virtualized guests (Intel VT) on 64bit XEN unstable
>Thanks Xin, for the explaination. I am only testing the 32bit PAE and >64bit XEN Hypervisors because we are interested in support for RHEL4 >32bit SMP kernels. We recently changed our 32bit hypervisor build to >enable PAE so we were testing a valid combination. > >Are you close to submitting your PS support patch? I'm very interested >in seeing 32bit SMP guests working on 64bit hypervisors. > Xiaohui is finishing the patch, hope to send it out very soon, and RHEL4 IA32 SMP kernel runs fine :-) >Are there release notes indicating what is supported in the 3.0.2 test >branch and what is planned to be supported in the next release? > "xm info" can report the info. -Xin >Thanks, >Ed Smith > >-----Original Message----- >From: Li, Xin B [mailto:xin.b.li@xxxxxxxxx] >Sent: Thursday, May 04, 2006 11:38 AM >To: Ed Smith; xen-devel@xxxxxxxxxxxxxxxxxxx >Subject: RE: [Xen-devel] Testing status of fully virtualized guests >(Intel VT) on 64bit XEN unstable > >Thanks a lot for your tests on HVM SMP guests support, here I think we >need make it more clear, actually on x86 we have 3 types of xen >hypervisors: >1) 32bit none-PAE xen hypervisor; >2) 32bit PAE xen hypervisor; >3) 64bit xen hypervisor, > >and 3 types of HVM guests: >a) 32bit none-PAE HVM guests; >b) 32bit PAE HVM guests; >c) 64bit HVM guests. > >On 1), we only support a) >On 2), we support a), and we are planning to support b), yet >this is not >done yet :-( On 3), we support a), b) and c). > >>Failures: >>1. 32bit UP guest fail ltp gettimeofday02: >> "Time is going backwards" >>2. 32bit and 64bit guests fail first boot attempt after booting XEN: >> "(XEN) Failed vm entry, domain_crash_sync called from vmx.c" >>3. 32bit SMP guest hangs on boot after: >> "Uncompressing Linux... Ok, booting the kernel." > >The default Redhat 32bit SMP kernel is PAE enabled, so if you >are trying >to run it on 1), you got such results :-(, for this kind of >SMP testing, >I suggest you compile a none PAE 32bit SMP kernel by your own. >If you are running it on 64bit xen hypervisor, only FC5 32bit >SMP kernel >can successfully boot currently. The reason is on 2 sides, one is >because PS support is still not complete, and the other is old version >(2.6.12-) Linux kernel can not handle such cases, SMP code and PAE code >are mixed there. >We have a patch in hand to complete PS support on x86_64, and >tests show >RHEL4 32bit SMP can successfully boot :-) > >Hope my explaination is clear for you :-) > >-Xin > >>4. 64bit SMP guest fails testing: >> domU hangs under load >>5. 64bit SMP guest report these messages the XEN console: >> "(XEN) spurious IRQ irq got=-1" >>6. 64bit SMP guest report these messages the XEN console during >>testing: >> "(XEN) <vlapic_accept_irq>level trig mode repeatedly for vector >>252" >> > _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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