You are right ! : sh-2.05b# qemu-img create /mnt/partitions/windows0/qmeu-disk 4M Formating '/mnt/partitions/windows0/qmeu-disk', fmt=raw, size=4096 kB sh-2.05b# ls -al /mnt/partitions/windows0/qmeu-disk -rwxr-xr-x 1 root root 0 2006-05-09 23:37 /mnt/partitions/windows0/qmeu-disk sh-2.05b# qemu-img create /mnt/partitions/windows0/qmeu-disk 40M Formating '/mnt/partitions/windows0/qmeu-disk', fmt=raw, size=40960 kB sh-2.05b# ls -al /mnt/partitions/windows0/qmeu-disk -rwxr-xr-x 1 root root 0 2006-05-09 23:38 /mnt/partitions/windows0
Le lundi 08 mai 2006 à 16:12 -0500, Anthony Liguori a écrit : > On Sun, 07 May 2006 08:13:01 +0000, Yann Le Doaré wrote: > > > Hi, > > > > It seems like qemu 0.8.0 does not accept image file from a vfat partition. > > Is it a bug ? > > > > Greetings. > > > > Yann Le Doaré. > > > > > > strace : > > > > open("/mnt/partitions/windows0/qmeu-disk", O_RDONLY|O_LARGEFILE) = 7 > > read(7, "", 1024) = 0 close(7) > > = 0 open("/mnt/partitions/windows0/qmeu-disk", > > O_RDONLY|O_LARGEFILE) = 7 _llseek(7, 128, [128], SEEK_SET) = 0 > > read(7, "", 4) = 0 close(7) > > = 0 write(2, "qemu: could not open hard disk i"..., 74qemu: could > > not open hard disk image '/mnt/partitions/windows0/qmeu-disk' ) = 74 > > exit_group(1) = ? > > It's pretty clear that what's happening is that qemu opening the file and > the filesystem is claiming it's an empty file. > > So, I recommend you do the following: > > First: > > du -sh /mnt/partitions/windows0/qmeu-disk > ls -al /mnt/partitions/windows0/qmeu-disk > > And make sure both report a non-zero result. If either reports 0 as the > size, then you screwed up copying the file to your vfat partition. > > Second: > > In vl.h, change: > > #ifndef O_LARGEFILE > #define O_LARGEFILE 0 > #endif > > To: > > #ifdef O_LARGEFILE > #undef O_LARGEFILE > #endif > #define O_LARGEFILE 0 > > And if that fixes your problem, then vfat is broken when open()'d with > O_LARGEFILE. If that's the case, you should report it as a vfat bug. > > Regards, > > Anthony Liguori > > > > _______________________________________________ > Qemu-devel mailing list > Qemu-devel@nongnu.org > http://lists.nongnu.org/mailman/listinfo/qemu-devel _______________________________________________ Qemu-devel mailing list Qemu-devel@nongnu.org http://lists.nongnu.org/mailman/listinfo/qemu-devel