From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <43E11968.6080906@t-platforms.ru> Date: Wed, 01 Feb 2006 23:26:16 +0300 From: Andrey Slepuhin MIME-Version: 1.0 Subject: Re: [discuss] Memory performance problems on Tyan VX50 References: <43DF7654.6060807@t-platforms.ru> <200602011539.40368.ak@suse.de> <200602011816.35114.ak@suse.de> In-Reply-To: <200602011816.35114.ak@suse.de> Content-Type: multipart/mixed; boundary="------------050403020404090805080607" Sender: owner-linux-mm@kvack.org Return-Path: To: Andi Kleen Cc: Christoph Lameter , discuss@x86-64.org, Ray Bryant , linux-mm@kvack.org, akpm@osdl.org List-ID: This is a multi-part message in MIME format. --------------050403020404090805080607 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Andi Kleen wrote: >>Could we get an accurate pointer to the statement that is >>causing the NULL deref? > > > Andrey, can you recompile the kernel with CONFIG_DEBUG_INFO and > do a addr2line -e vmlinux ? Yes, I have done it: ffffffff801549ac -> include/linux/list.h:150 and two more addresses up the stack: ffffffff80154f10 -> mm/page_alloc.c:580 ffffffff801552e7 -> mm/page_alloc.c:965 I also attached the new oops log Best regards, Andrey --------------050403020404090805080607 Content-Type: application/x-gzip; name="nc2.log.gz" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="nc2.log.gz" H4sICMCjxUMCA25jMi5sb2cA7N1rb9vGngbw9/oUA+wbN2nTuV+EbRZtenq2OE0bJC12gaIw ZIlKvLElH0nuBUG/+w7JIcWbJOpqyn5SNHFoejQk/3w4vP0ynd5+8fH65iaa9cn78d3l7WD+ 8Sv6J7d0xD8n09komn1Fez9ORxEx5NvXX5O7aPbF8O6+T6Lbu8Vfhe8IvuJ7P05nt4Ob/Js9 /xuh5MN00Scfrt9/IMzqz8nVYDH8QAQj9/No1KdhpuH0ZhTm0jybianiTKxNS6xNS7xNS7xN S6JNS6JNS3J9S1aHuVo0pdp0SrVpSbdpSbdpybRpybRpybZpybZpybVpybUqzVZVztqVebs6 b1XorFWls1alzlrVOmtV7GxDtTOjsvnWtibSuTYUPGPZbGsbM1mM/bf//uvotjHk9Mpo1Gui USMajxeNTCEbkY0Hz0YmXat0FK3S0cgDxiNtFY60VTjSVtlIsxxbl41qZTaqNdmokI1HzEZj kI3nm41WtgpHxlulI5O8VT6y8x48Plg6qrXpKFemo1yTjhLpeMR01PJg6SgedzwK3iYfZZt8 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