Aurelien, Ralf and Thomas: Can you comment about the bug report (and patch) below about fdisk with DVH labels and large disks?
* Giuseppe Sacco <giuse...@eppesuigoccas.homedns.org> [2008-12-29 16:44]: > Package: util-linux > Version: 2.13.1.1-1 > Severity: grave > Tags: patch > > Yesterday I tried the d-i rc1 for lenny on a silicon graphics O2 (a > complete report is available as Debian bug #510060). > > The problem I found against fdisk is that when using large disks (i.e., > disks with more than 4096 sectors per cylinder), the volhdr partition is > incorrectly sized because it is marked as starting and ending on > cylinder 0. When having this specific case, this is what happen: > > Command (m for help): p > > Disk /dev/sda (SGI disk label): 255 heads, 63 sectors, 8941 cylinders > Units = cylinders of 16065 * 512 bytes > > ----- partitions ----- > Pt# Device Info Start End Sectors Id System > ----- Bootinfo ----- > Bootfile: /unix > ----- Directory Entries ----- > 0: arcboot sector 4 size 72492 > > Command (m for help): n > Partition number (1-16): 1 > Attempting to generate entire disk entry automatically. > First cylinder (1-8940, default 1): > Using default value 1 > Last cylinder (1-8940, default 8940): 2000 > > Command (m for help): p > > Disk /dev/sda (SGI disk label): 255 heads, 63 sectors, 8941 cylinders > Units = cylinders of 16065 * 512 bytes > > ----- partitions ----- > Pt# Device Info Start End Sectors Id System > 1: /dev/sda1 boot 1 2000 32130000 83 Linux native > 9: /dev/sda2 0 0 4096 0 SGI volhdr > 11: /dev/sda3 0 8940 143637165 6 SGI volume > ----- Bootinfo ----- > Bootfile: /unix > ----- Directory Entries ----- > 0: arcboot sector 4 size 72492 > > > Command (m for help): n > Partition number (1-16): 2 > First cylinder (1-0): 1 > Value out of range. > First cylinder (1-0): 0 > Value out of range. > First cylinder (1-0): 2001 > Value out of range. > First cylinder (1-0): ^C > > As you may see, once the first partition has been created, fdisk will > automatically create partitions 9 and 11, but it will wrongly set the > end boundary of volhdr. Starting with this error, it is not possible to > add any new partition, because the accepted cylinder range would be > "1-0". > > Please find attached a solution for this bug. This solution raise the > volhdr size of 4096 up to the first cylinder boundary. If the boundary > is less than 4096 then nothing is changed. > > If you like the fix and will accept this patch, please add this note to > the changelog: > > * fix of mips related bug, dedicate to ths. > > Thanks, > Giuseppe -- Martin Michlmayr http://www.cyrius.com/ -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
