On Wed, 2008-04-09 at 17:26 +0800, Yunfeng Zhao wrote: > Hi, > I meet problem to get hugetlbfs work on my test box. > If i added "--mem-path" to qemu, the guest will always fail to boot with > the error messages below printed on qemu console: > ########################################### > ata0 master: ATA-0 Hard-Disk ( 0 MBytes) > ata1 master: ATAPI-0 Device > > Booting from Hard Disk ..... > Booting from Hard Disk failed: could not read the boot disk > ########################################## > > And I checked my system, hugepages has been enabled. > [EMAIL PROTECTED] ~]# grep -i huge /proc/meminfo > HugePages_Total: 100 > HugePages_Free: 96 > HugePages_Rsvd: 0 > Hugepagesize: 2048 kB > > [EMAIL PROTECTED] ~]# mount > /dev/sda1 on / type ext3 (rw) > none on /dev/shm type tmpfs (rw,size=4G) > nodev on /hugepages type hugetlbfs (rw) > /dev/sda3 on /share type ext2 (rw) > /dev/sda2 on /mnt/sda2 type ext3 (rw) > > The command i am using: > qemu -m 256 -monitor pty -net > nic,macaddr=00:16:3e:48:d4:aa,model=rtl8139 -net > tap,script=/etc/kvm/qemu-ifup -hda /dev/sda --mem-path /hugepages/ > > If I remove "--mem-path", the guest can be booted up. >
You have only 96 free 2MB pages, it is less then 256M you asked for the VM. you can do 'echo 200 > /proc/sys/vm/nr_hugepages' HTH, Dor > > Anybody knows what the problem is? > > thanks > Yunfeng > > ------------------------------------------------------------------------- > This SF.net email is sponsored by the 2008 JavaOne(SM) Conference > Don't miss this year's exciting event. There's still time to save $100. > Use priority code J8TL2D2. > http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel ------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel