Dor Laor wrote: > 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 > I tried to enable 512MB pages, and then to boot 256M guest. It still fails with the same error.
thanks Yunfeng > >> 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
