Kdump with INIT on IPF worked on SGI's IA64 servers when i left SGI last December. Is this problem something new to you after .27? SGI folks should test this patchset to ensure no surprise is introduced to their servers. Cheers, jay ----- Original Message ----- From: "Hidetoshi Seto" <seto.hidetoshi@xxxxxxxxxxxxxx> To: <linux-ia64 at vger.kernel.org>; <linux-kernel at vger.kernel.org> Cc: "Haren Myneni" <hbabu at us.ibm.com>; <kexec at lists.infradead.org>; "Vivek Goyal" <vgoyal at redhat.com> Sent: Wednesday, June 17, 2009 11:44 PM Subject: [PATCH 0/7] Patches for kdump vs. INIT > Hi Tony-san, and kdump folks, > > I got some trouble on kdump on IPF with INIT, and my investigation > proves there are some bugs and races in startup of kdump. > Here are fixes based on .30, for issues I found. > > Since it must be serious problem for (likely big) IPF servers if we > could fail to retrieve crashdump via kdump, so I believe these patches > should be applied asap. > > > Thanks, > H.Seto > > === > > Hidetoshi Seto (7): > ia64, kdump: Mask MCA/INIT on freezing cpus > ia64, kexec: Make INIT safe while kdump/kexec > ia64, kexec: Unregister MCA handler before kexec > ia64, kdump: Don't offline APs > ia64, kdump: Mask INIT first in panic-kdump path > ia64, kdump: Try INIT regardless of kdump_on_init > ia64, kdump: Short path to freeze CPUs > > arch/ia64/kernel/crash.c | 85 > ++++++++++++++++++++++++++------------ > arch/ia64/kernel/machine_kexec.c | 17 ++++++++ > arch/ia64/kernel/mca.c | 15 ++++++- > arch/ia64/kernel/mca_asm.S | 47 +++++++++++++++++++++ > 4 files changed, 136 insertions(+), 28 deletions(-) > > > > _______________________________________________ > kexec mailing list > kexec at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/kexec >
