[Xen-ia64-devel] Re: [patch 00/11] ia64: kexec: Map EFI memory in the same location as Linux (v20080320)
On Wed, Apr 02, 2008 at 04:55:55PM +0900, Simon Horman wrote: On Tue, Mar 25, 2008 at 04:20:56PM +0900, Simon Horman wrote: On Mon, Mar 24, 2008 at 01:05:26PM -0600, Alex Williamson wrote: On Thu, 2008-03-20 at 15:52 +0900, Simon Horman wrote: Hi, here is another spin of the kexec EFI patches. I think we are getting very close if we aren't there already. Hi Simon, Have you tried launching an HVM domain with this patch set? I never get past the white background in the VNC window (before EFI prints OK), and very shortly after launch, Xen and dom0 die. No, I haven't tested that. I will look into it. Thanks for the pointer. Hi Alex, sorry for taking a while to get back to you. I've been able to confirm that this is indeed a problem. It seems to be related to using the EFI rid in the hypervisor for at least SAL. I'm not really sure why this is occuring. I'll poke a bit further, but if anyone has any ideas please ping me. I've been able to investigate this problem a little further. It turns out that things lock up in the first call to ia64_new_rr7_efi() via xen_pal_emulator(), which is called from the firmware of the hvm domain. I am guessing that (once again) the TLB re-pinning isn't quite right. I'll poke further and try and fix this. -- Horms ___ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel
[Xen-ia64-devel] Re: [patch 00/11] ia64: kexec: Map EFI memory in the same location as Linux (v20080320)
On Tue, Mar 25, 2008 at 04:20:56PM +0900, Simon Horman wrote: On Mon, Mar 24, 2008 at 01:05:26PM -0600, Alex Williamson wrote: On Thu, 2008-03-20 at 15:52 +0900, Simon Horman wrote: Hi, here is another spin of the kexec EFI patches. I think we are getting very close if we aren't there already. Hi Simon, Have you tried launching an HVM domain with this patch set? I never get past the white background in the VNC window (before EFI prints OK), and very shortly after launch, Xen and dom0 die. No, I haven't tested that. I will look into it. Thanks for the pointer. Hi Alex, sorry for taking a while to get back to you. I've been able to confirm that this is indeed a problem. It seems to be related to using the EFI rid in the hypervisor for at least SAL. I'm not really sure why this is occuring. I'll poke a bit further, but if anyone has any ideas please ping me. -- Horms ___ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel
[Xen-ia64-devel] Re: [patch 00/11] ia64: kexec: Map EFI memory in the same location as Linux (v20080320)
On Mon, Mar 24, 2008 at 01:05:26PM -0600, Alex Williamson wrote: On Thu, 2008-03-20 at 15:52 +0900, Simon Horman wrote: Hi, here is another spin of the kexec EFI patches. I think we are getting very close if we aren't there already. Hi Simon, Have you tried launching an HVM domain with this patch set? I never get past the white background in the VNC window (before EFI prints OK), and very shortly after launch, Xen and dom0 die. No, I haven't tested that. I will look into it. Thanks for the pointer. BTW, patch 4 is trying to patch the linked path to cpumask.h, which makes qimport unhappy. I think you want xen/include/xen/cpumask.h. Also, this file is common code, so let's make sure there's not a better arch specific place to stash this (and if not, I'm not sure CONFIG_XEN is appropriate/necessary in this file). Thanks, I'll see about cleaning this up a bit and get back to you. -- Horms ___ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel
[Xen-ia64-devel] Re: [patch 00/11] ia64: kexec: Map EFI memory in the same location as Linux (v20080320)
On Thu, 2008-03-20 at 15:52 +0900, Simon Horman wrote: Hi, here is another spin of the kexec EFI patches. I think we are getting very close if we aren't there already. Hi Simon, Have you tried launching an HVM domain with this patch set? I never get past the white background in the VNC window (before EFI prints OK), and very shortly after launch, Xen and dom0 die. BTW, patch 4 is trying to patch the linked path to cpumask.h, which makes qimport unhappy. I think you want xen/include/xen/cpumask.h. Also, this file is common code, so let's make sure there's not a better arch specific place to stash this (and if not, I'm not sure CONFIG_XEN is appropriate/necessary in this file). Thanks, Alex -- Alex Williamson HP Open Source Linux Org. ___ Xen-ia64-devel mailing list Xen-ia64-devel@lists.xensource.com http://lists.xensource.com/xen-ia64-devel
