From: Yinghai Lu <yinghai@kernel.org>
To: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Suresh Siddha <suresh.b.siddha@intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: tip/master broken with x2apic and kexec
Date: Mon, 12 Jul 2010 19:59:54 -0700 [thread overview]
Message-ID: <4C3BD6AA.3070908@kernel.org> (raw)
tip/master:
system1: BIOS enabled x2apic, first kernel boot well, and when kexec second kernel will cause system instant reboot.
system2: BIOS not enable x2apic, first kernel boot well and enable x2apic, and kexec second kernel well. but when kexec third kernel will case system instant reboot.
linus' tree is ok.
but for system2 if boot with nox2apic ,intr-remaping off, iommu off, the kexec loop test will pass.
the problem looks start in recent two or three weeks.
Any idea?
bisecting will take a while, because the system post take a while everytime.
Thanks
Yinghai Lu
next reply other threads:[~2010-07-13 3:04 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-13 2:59 Yinghai Lu [this message]
2010-07-13 3:29 ` tip/master broken with x2apic and kexec Yinghai Lu
2010-07-13 6:40 ` H. Peter Anvin
2010-07-14 0:54 ` [tip:x86/alternatives] x86, alternatives: Fix one more open-coded 8-bit alternative number tip-bot for H. Peter Anvin
2010-07-14 0:54 ` [tip:x86/alternatives] x86, alternatives: BUG on encountering an invalid CPU feature number tip-bot for H. Peter Anvin
2010-07-13 22:00 ` tip/master broken with x2apic and kexec H. Peter Anvin
2010-07-13 23:27 ` Yinghai Lu
2010-07-14 20:35 ` Yinghai Lu
2010-07-14 21:05 ` Don Zickus
2010-07-14 22:07 ` Yinghai Lu
2010-07-14 21:23 ` Yinghai Lu
2010-07-14 22:57 ` Yinghai Lu
2010-07-15 0:03 ` Suresh Siddha
2010-07-15 2:01 ` Yinghai Lu
2010-07-15 7:00 ` [PATCH] x86: fix x2apic preenabled system with kexec Yinghai Lu
2010-07-15 18:16 ` Suresh Siddha
2010-07-15 20:10 ` Yinghai Lu
2010-07-15 20:40 ` Yinghai Lu
2010-07-17 0:48 ` [tip:x86/urgent] x86: Fix " tip-bot for Yinghai Lu
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