Re-forward to the correct mail list -----Original Message----- From: Zhang, Xiantao Sent: Wednesday, May 24, 2006 6:59 AM Subject: RE: [Xen-ia64-devel] Add ptc.l emulation for 2.6.17 xenlinux to fixfederon-xen-ia64 boot After many times' try, I think the main issue is the initrd which created for booting FC6 couldn't match with rhel4-u2. Maybe their module format is different. I think we should set up FC6 environment to try next step. If so, I think debugging work maybe easier :) > >> -----Original Message----- > >> From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx > >> [mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On > >Behalf Of Zhang, > >> Xiantao > >> Sent: Wednesday, May 24, 2006 4:26 AM > >> To: xen-ia64-devel@xxxxxxxxxxxxxxxxxxx; fedora-ia64-list@xxxxxxxxxx > >> Subject: [Xen-ia64-devel] Add ptc.l emulation for 2.6.17 xenlinux to > >> fixfederon-xen-ia64 boot > >> > >> This patch adds support for ptc.l emulation. In 2.6.16 kernel > >> flush_tlb_range will call global_tlb_purge directly, so > >ptc.l shouldn't > >> be used when CONFIG_SMP enable. > >> But in order to enhance performance (maybe), 2.6.17 kernel in smp > >> environment > >> will do mm check first. If mm is current->active_mm and the mm > >> (corresponding process) just runs on the local processor, kernel only > >> needs to do ptc.l at local processor instead of global > >purge. So ptc.l > >> emulation is necessary for 2.6.17 kernel. > >> > >> Hi Aron, > >> With this patch, federon-xen-ia64 with rhel4-u2 can boot to > >"switch to > >> new root". Seems this error is related to FC6 OS, due to > >lack of FC6 at > >> hand, we couldn't try to boot it on FC6. Anyway, this patch is a must > >> for boot 2.6.17 kernel. > >> In addition, I attached the boot log, anyone can help to try > >on FC6 with > >> this patch? > >> > >> Thanks > >> -Xiantao > > > >
Attachment:
panic.log
Description: panic.log
