[lkml]   [2000]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: linux-2.4.0 breaks grub install into partition
    Andrea Arcangeli wrote:
    > On 8 Jul 2000, H. Peter Anvin wrote:
    > >Note that the boot block isn't used by the filesystem itself, at least
    > >not for ext2. It's worse for FAT, since it's boot block and
    > >superblock are co-located, but on the other hand you're much less
    > ext2 superblock will be co-located in the same buffer cache object of the
    > boot sector if blocksize of ext2 is >1k. That's not a problem with ext2 as
    > far as bootloader writes to the same blockdevice that the fs is using
    > (since raw device will write inside the fs superblock cache with ext2). It
    > become a problem if ext2 is >1k and grub writes to /dev/hda at offset
    > 512bytes instead of /dev/hda1 at offset zero. I guess most other fs are
    > caching the superblock using the buffer cache. (also this
    > metadata-superblock/bootsector stuff is not changed in any way between
    > 2.2.x and 2.4.x).

    I see. Yes, Genesis writes to /dev/hda1, and if GRUB is writing to
    /dev/hda then I would agree 100% that GRUB is buggy.


    <> at work, <> in private!
    "Unix gives you enough rope to shoot yourself in the foot."

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:57    [W:0.019 / U:17.632 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site