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Red Hat Bugzilla – Attachment 278791 Details for
Bug 393431
Kdump fails on RHEL5RT -50 on Zpro & HS21
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disable_legacy_hpet_replacement_for_kdump
disable_legacy_hpet_replacement_for_kdump.patch (text/plain), 1.80 KB, created by
IBM Bug Proxy
on 2007-12-05 21:06:05 UTC
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Description:
disable_legacy_hpet_replacement_for_kdump
Filename:
MIME Type:
Creator:
IBM Bug Proxy
Created:
2007-12-05 21:06:05 UTC
Size:
1.80 KB
patch
obsolete
>commit 0c1b2724069951b1902373e688042b2ec382f68f >Author: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> >Date: Mon Dec 3 17:17:10 2007 +0100 > > x86: disable hpet legacy replacement for kdump > > we should also add hpet_disable() for kdump. > > Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> > Signed-off-by: Ingo Molnar <mingo@elte.hu> > Signed-off-by: Thomas Gleixner <tglx@linutronix.de> > Backported-by: Darren Hart <dvhltc@us.ibm.com> > >Index: linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/i386/kernel/crash.c >=================================================================== >--- linux-rt-2.6.21.4-ibmrt1.15-bz40679-view.orig/arch/i386/kernel/crash.c >+++ linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/i386/kernel/crash.c >@@ -22,6 +22,7 @@ > #include <asm/nmi.h> > #include <asm/hw_irq.h> > #include <asm/apic.h> >+#include <asm/hpet.h> > #include <asm/kdebug.h> > #include <asm/smp.h> > >@@ -125,5 +126,8 @@ void machine_crash_shutdown(struct pt_re > #if defined(CONFIG_X86_IO_APIC) > disable_IO_APIC(); > #endif >+#ifdef CONFIG_HPET_TIMER >+ hpet_disable(); >+#endif > crash_save_cpu(regs, safe_smp_processor_id()); > } >Index: linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/x86_64/kernel/crash.c >=================================================================== >--- linux-rt-2.6.21.4-ibmrt1.15-bz40679-view.orig/arch/x86_64/kernel/crash.c >+++ linux-rt-2.6.21.4-ibmrt1.15-bz40679-view/arch/x86_64/kernel/crash.c >@@ -23,6 +23,7 @@ > #include <asm/nmi.h> > #include <asm/hw_irq.h> > #include <asm/mach_apic.h> >+#include <asm/hpet.h> > #include <asm/kdebug.h> > > /* This keeps a track of which one is crashing cpu. */ >@@ -125,6 +126,9 @@ void machine_crash_shutdown(struct pt_re > disable_local_APIC(); > > disable_IO_APIC(); >+#ifdef CONFIG_HPET_TIMER >+ hpet_disable(); >+#endif > > crash_save_cpu(regs, smp_processor_id()); > }
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