Re: [Xen-devel] [PATCH] x86/vPMU: don't blindly assume IA32_PERF_CAPABILITIES MSR exists

2020-02-26 Thread Chen, Farrah
I applied this patch to Xen and retested, Xen on KVM booted up successfully, thanks a lot. Thanks, Fan -Original Message- From: Andrew Cooper Sent: Wednesday, February 26, 2020 6:56 PM To: Jan Beulich ; Roger Pau Monné Cc: xen-devel@lists.xenproject.org; Chen, Farrah ; Hao, Xudong

[Xen-devel] [BUG]Nested virtualization, Xen on KVM, Xen cannot boot up as a guest of KVM

2020-02-25 Thread Chen, Farrah
Description: Nested virtualization, take KVM host as L0, create guest on it, install Xen on guest, then guest cannot boot up from Xen and keep rebooting. Reproduce steps: 1. Enable KVM nested on host(L0) rmmod kvm_intel modprobe kvm_intel nested=y cat /sys/module/kvm_intel/parameters/nested Y 2.

Re: [Xen-devel] Compiling Xen error on RedHat8.0

2019-05-26 Thread Chen, Farrah
Hi Anthony, Both " PYTHON=/usr/bin/python2 " and softlink "python-config" to "python2-config" work well, thanks a lot! Thanks, Fan -Original Message- From: Anthony PERARD [mailto:anthony.per...@citrix.com] Sent: Friday, May 24, 2019 6:41 PM T

Re: [Xen-devel] Compiling Xen error on RedHat8.0

2019-05-26 Thread Chen, Farrah
Thank you for the info! Thanks, Fan -Original Message- From: M A Young [mailto:m.a.yo...@durham.ac.uk] Sent: Friday, May 24, 2019 4:16 PM To: Chen, Farrah Cc: xen-devel@lists.xenproject.org; Hao, Xudong Subject: Re: [Xen-devel] Compiling Xen error on RedHat8.0 On Fri, 24 May 2019

[Xen-devel] Compiling Xen error on RedHat8.0

2019-05-23 Thread Chen, Farrah
Hi, I met some python related issues when building Xen on RedHat8.0. On RedHat8.0, the default python version is python3, and I found Xen has some python2 codes, so I tried to build xen using python2. On RedHat8.0, no "python", just "python2" and "python3": ls /usr/bin/python* /usr/bin/python2

[Xen-devel] Make grub error "too few arguments" with xen

2018-12-03 Thread Chen, Farrah
Hi all, When I make grub, I met error " too few arguments to function 'grub_create_loader_cmdline'" with xen. I used git bisect and found the error occurred from commit: 4d4a8c96e3593d76fe7b025665ccdecc70a53c1f. Do you have any ideas? Thanks a lot! commit 4d4a8c96e3593d76fe7b025665ccdecc70a53c1

Re: [Xen-devel] Make grub error "too few arguments" with xen

2018-11-28 Thread Chen, Farrah
module-regex.Tpo gnulib/.deps-core/regexp_module-regex.Po make[3]: Leaving directory `/home/fan/grub/grub-core' make[2]: *** [all] Error 2 make[2]: Leaving directory `/home/fan/grub/grub-core' make[1]: *** [all-recursive] Error 1 make[1]: Leaving directory `/home/fan/grub' make: *** [al

[Xen-devel] Make grub error "too few arguments" with xen

2018-11-25 Thread Chen, Farrah
Hi, When I make grub with xen using the latest commit: e8b37e2c8de7570ca9a6c7ba874762d8c4ba9373, I met error "too few arguments to function grub_create_loader_cmdline()". I saw the following commit tried to fix this error, but we still met such error with the latest commit e8b37e2c8de7: commit

[Xen-devel] Xen make grub error

2018-11-19 Thread Chen, Farrah
Hi, When we make grub with xen, we met below error, do you have any advice? cd grub ./autogen.sh ./configure --target=amd64 --with-platform=xen --prefix=${PWD}/../pvgrub2 make . loader/i386/xen.c: In function 'grub_cmd_xen': loader/i386/xen.c:650:10: error: too few arguments to function