Extended partitions only get 2 sectors for 512 byte sector size, to allow LILO the 1024 bytes of room it needs. Larger sector size disks already have room and so only use 1 sector. Signed-off-by: Phillip Susi <psusi@xxxxxxxxxx> --- kpartx/dos.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/kpartx/dos.c b/kpartx/dos.c index 0e57f0e..90ad3bd 100644 --- a/kpartx/dos.c +++ b/kpartx/dos.c @@ -101,8 +101,12 @@ read_dos_pt(int fd, struct slice all, struct slice *sp, int ns) { break; } if (is_extended(p.sys_type)) { - sp[i].size = sector_size_mul * 2; /* extended partitions only get two - sectors mapped for LILO to install */ + /* extended partitions only get one or + two sectors mapped for LILO to install, + whichever is needed to have 1kb of space */ + if (sector_size_mul == 1) + sp[i].size = 2; + else sp[i].size = sector_size_mul; n += read_extended_partition(fd, &p, i, sp+n, ns-n); } } -- 1.9.1 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel