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Date: Sat, 16 Feb 2008 22:39:04 -0800 From: Joel Becker <Joel.Becker@...cle.com> To: Jeremy Fitzhardinge <jeremy@...p.org> Cc: Jody Belka <lists-lkml@...b.org>, linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Ian Campbell <ijc@...lion.org.uk>, "H. Peter Anvin" <hpa@...or.com>, "Eric W. Biederman" <ebiederm@...ssion.com>, Andi Kleen <andi@...stfloor.org>, Mika Penttila <mika.penttila@...umbus.fi> Subject: Re: 2.6.25-rc1 xen pvops regression On Sat, Feb 16, 2008 at 10:46:23PM +1100, Jeremy Fitzhardinge wrote: >>> What does this EIP correspond to in your kernel? Also: >>> >>> c01687f0 c0417ab6 c040288f c040299a c0403270 >>> >>> (as guesses of potential callers to try and work out a stack trace). >>> >> > (My usual technique is use "gdb vmlinux" and "x/i 0x...." to do the > lookup.) Ok, my objdump didn't do a good job. With gdb I get: 0xc04040bd <xen_set_pte_at+185>: mov %edi,(%eax) 0xc01687f0: Cannot access memory at address 0xc01687f0 0xc0417ab6 <__set_fixmap+326>: pop %ecx 0xc040288f <xen_alloc_ptpage+41>: lock btsl $0x8,(%eax) 0xc040299a <xen_load_idt+74>: lock incb 0xc0766148 0xc0403270 <xen_set_pte_atomic+26>: lock cmpxchg8b (%edi) Joel -- Life's Little Instruction Book #139 "Never deprive someone of hope; it might be all they have." Joel Becker Principal Software Developer Oracle E-mail: joel.becker@...cle.com Phone: (650) 506-8127 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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