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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-users] Why my system only use 3.3G memory ?
I have another server Dell 2650 with 4G memory dual Xeon 3.0G CPU, had install Redhat 9.0 and Xen 2.0, it's not have any problem, i has running 8 virtual server on it. Here is my Dell2650 XenLinux system info. [tongjian@XenServer43 11:59:19 ~ 350]$ xm
info [tongjian@XenServer43 17:35:18 ~ 351]$ xm dmesg | less Xen version 2.0 (root@(none)) (gcc
version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) Fri Dec 31 19:16:41 CST
2004 (XEN) Initialised 3967MB memory (1015776 pages) on a 3967MB
machine
>From: "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> >To: "she11c0de she11c0de" <she11c0de@xxxxxxxxxxx>,<xen-users@xxxxxxxxxxxxxxxxxxx> >CC: <xen-devel@xxxxxxxxxxxxxxxxxxx>,<ian.pratt@xxxxxxxxxxxx> >Subject: RE: [Xen-users] Why my system only use 3.3G memory ? >Date: Thu, 7 Jul 2005 09:05:01 +0100 > >(XEN) Physical RAM map: >(XEN) 0000000000000000 - 00000000000a0000 (usable) >(XEN) 0000000000100000 - 00000000cffc0000 (usable) >(XEN) 00000000cffc0000 - 00000000cffcfc00 (ACPI data) >(XEN) 00000000cffcfc00 - 00000000cffff000 (reserved) >(XEN) 00000000e0000000 - 00000000fec90000 (reserved) >(XEN) 00000000fed00000 - 00000000fed00400 (reserved) >(XEN) 00000000fee00000 - 00000000fee10000 (reserved) >(XEN) 00000000ffb00000 - 0000000100000000 (reserved) >(XEN) System RAM: 3327MB (3407232kB) > >Your BIOS has created a whole at the top of the memory map into which the memory mapped PCI devices have been placed, effectively hiding the memory from use. > >What is slightly odd is that the whole is larger than I've seen before. I presume its the area between cffff000 and e0000000 which isn't listed in the e820 map (everything above cffc0000 is unusable). > >You'll have to wait until xen3 and use x86_32pae or x86_64 to use more memory. > >Ian > > > -----Original Message----- > > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx > > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of > > she11c0de she11c0de > > Sent: 07 July 2005 06:50 > > To: xen-users@xxxxxxxxxxxxxxxxxxx > > Subject: [Xen-users] Why my system only use 3.3G memory ? > > > > Hi, all > > > > I have a server used to install Xen-2.0.6 on CentOS 4.1 i386, > > hardware is DELL 2850, dual Xeon 3.2G CPU, 6G memory, use > > myself custom compiled xen kernel(dom0 and domU), i know xen > > 2.0 on i386 only use 4G memory, but i found on my server, > > it's only use 3327M memory, whit's problem, who can help me? > > > > Here is some info. > > > > [root@CentOS4 ~]# xm info > > system : Linux > > host : CentOS4 > > release : 2.6.11.10-xen0 > > version : #3 Fri Jul 1 02:54:48 CST 2005 > > machine : i686 > > cores : 2 > > hyperthreads_per_core : 2 > > cpu_mhz : 3192 > > memory : 3327 > > free_memory : 2913 > > > > > > [root@CentOS4 ~]# xm dmesg | less > > ERROR: cannot use unconfigured serial port COM1 > > __ __ ____ ___ __ > > \ \/ /___ _ __ |___ \ / _ \ / /_ > > \ // _ \ '_ \ __) || | | | '_ \ > > / \ __/ | | | / __/ | |_| | (_) | > > /_/\_\___|_| |_| |_____(_)___(_)___/ > > > > http://www.cl.cam.ac.uk/netos/xen > > University of Cambridge Computer Laboratory > > > > Xen version 2.0.6 (tongjian@(none)) (gcc version 3.4.3 > > 20050227 (Red Hat 3.4.3-22.1)) Fri Jul 1 02:53:42 CST 2005 > > Latest ChangeSet: information unavailable > > > > (XEN) WARNING: Only the first 4GB of the physical memory map > > can be accessed > > (XEN) by Xen in 32-bit mode. Truncating the memory map... > > (XEN) Physical RAM map: > > (XEN) 0000000000000000 - 00000000000a0000 (usable) > > (XEN) 0000000000100000 - 00000000cffc0000 (usable) > > (XEN) 00000000cffc0000 - 00000000cffcfc00 (ACPI data) > > (XEN) 00000000cffcfc00 - 00000000cffff000 (reserved) > > (XEN) 00000000e0000000 - 00000000fec90000 (reserved) > > (XEN) 00000000fed00000 - 00000000fed00400 (reserved) > > (XEN) 00000000fee00000 - 00000000fee10000 (reserved) > > (XEN) 00000000ffb00000 - 0000000100000000 (reserved) > > (XEN) System RAM: 3327MB (3407232kB) > > (XEN) Xen heap: 10MB (10680kB) > > (XEN) CPU0: Before vendor init, caps: bfebfbff 20100000 > > 00000000, vendor = 0 > > (XEN) CPU#0: Physical ID: 0, Logical ID: 0 > > (XEN) CPU caps: bfebfbff 20100000 00000000 00000000 > > (XEN) found SMP MP-table at 000fe710 > > (XEN) ACPI: RSDP (v000 DELL > > ) @ 0x000fd650 > > (XEN) ACPI: RSDT (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd664 > > (XEN) ACPI: FADT (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd6b0 > > (XEN) ACPI: MADT (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd724 > > (XEN) ACPI: SPCR (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd7cc > > (XEN) ACPI: HPET (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd81c > > (XEN) ACPI: MCFG (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000a) @ 0x000fd854 > > (XEN) ACPI: DSDT (v001 DELL PE BKC 0x00000001 MSFT > > 0x0100000e) @ 0x00000000 > > (XEN) ACPI: Local APIC address 0xfee00000 > > (XEN) ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) > > (XEN) Processor #0 Unknown CPU [15:4] APIC version 20 > > (XEN) ACPI: LAPIC (acpi_id[0x02] lapic_id[0x06] enabled) > > (XEN) Processor #6 Unknown CPU [15:4] APIC version 20 > > (XEN) ACPI: LAPIC (acpi_id[0x03] lapic_id[0x01] enabled) > > (XEN) Processor #1 Unknown CPU [15:4] APIC version 20 > > [root@CentOS4 ~]# > > > > > > > > > > > > > > ________________________________ > > > > 浣跨? MSN Messenger <http://g.msn.com/8HMBCN/2734??PS=47575> 涓??? 虹????杩??浜ゆ? > > 使用 MSN Messenger 与联机的朋友进行交流 _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users
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