Comment 3 for bug 7454

Message-ID: <email address hidden>
Date: Mon, 16 Aug 2004 14:41:39 +0200
From: Bastian Blank <email address hidden>
To: <email address hidden>
Subject: genext2fs - generates completely broken images on s390

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Package: genext2fs
Version: 1.3-7
Severity: grave

genext2fs generates completely broken images on s390.

| $ genext2fs -d ./tmp/generic/tree -b 5876 -r 0 ./tmp/generic/initrd
| $ fsck.ext2 tmp/generic/initrd =20
| e2fsck 1.35 (28-Feb-2004)
| Note: if there is several inode or block bitmap blocks
| which require relocation, or one part of the inode table
| which must be moved, you may wish to try running e2fsck
| with the '-b 5881' option first. The problem may lie only
| with the primary block group descriptor, and the backup
| block group descriptor may be OK.
|=20
| Block bitmap for group 0 is not in group. (block 50331648)
| Relocate<y>? cancelled!
|=20
| Inode bitmap for group 0 is not in group. (block 67108864)
| Relocate<y>? cancelled!
|=20
| Inode table for group 0 is not in group. (block 83886080)
| WARNING: SEVERE DATA LOSS POSSIBLE.
| Relocate<y>? cancelled!
|=20
| Filesystem did not have a UUID; generating one.
|=20
| $ dumpe2fs tmp/generic/initrd
| dumpe2fs 1.35 (28-Feb-2004)
| Filesystem volume name: <none>
| Last mounted on: <not available>
| Filesystem UUID: <none>
| Filesystem magic number: 0xEF53
| Filesystem revision #: 0 (original)
| Filesystem features: (none)
| Default mount options: (none)
| Filesystem state: clean with errors
| Errors behavior: Unknown (continue)
| Filesystem OS type: Linux
| Inode count: 736
| Block count: 5876
| Reserved block count: 0
| Free blocks: 712
| Free inodes: 435
| First block: 1
| Block size: 1024
| Fragment size: 1024
| Blocks per group: 5880
| Fragments per group: 5880
| Inodes per group: 736
| Inode blocks per group: 92
| Last mount time: n/a
| Last write time: Mon Aug 16 14:37:59 2004
| Mount count: 0
| Maximum mount count: 20
| Last checked: Thu Jan 1 01:00:00 1970
| Check interval: 0 (<none>)
| Reserved blocks uid: 0 (user root)
| Reserved blocks gid: 0 (group root)
| ext2fs_read_bb_inode: Attempt to read block from filesystem resulted in s=
hort read=20
|=20
| Group 0: (Blocks 1-5875)
| Primary superblock at 1, Group descriptors at 2-2
| Block bitmap at 50331648 (+50331647), Inode bitmap at 67108864 (+671088=
63)
| Inode table at 83886080-83886171 (+83886079)
| 51202 free blocks, 45825 free inodes, 16896 directories
|=20
| dumpe2fs: tmp/generic/initrd: error reading bitmaps: Can't read an block =
bitmap

This breaks d-i on s390.

Bastian

--=20
Conquest is easy. Control is not.
  -- Kirk, "Mirror, Mirror", stardate unknown

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