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512b vs. 2048b problems on IBM Power LPAR (Debian/PPC)
From: |
Frank Fegert |
Subject: |
512b vs. 2048b problems on IBM Power LPAR (Debian/PPC) |
Date: |
Mon, 14 Jan 2013 09:16:42 +0100 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Hello all,
i'm having some trouble with the d-i (squeeze and wheezy [1], the lenny
d-i used to work though) on IBM Power LPARs. On the yaboot installer
step the d-i breaks with:
[!!] Install yaboot on a hard disk
No bootstrap partition found
No hard disks were found which have an "Apple_Bootstrap" partition.
You must create an 819200-byte partition with type "Apple_Bootstrap".
We've (see Debian Bug #350372, last entries) tracked this down to the
call of "/usr/lib/partconf/find-partitions --flag prep" which drops
out with the error:
~ # /usr/lib/partconf/find-partitions --flag prep
Warning: The driver descriptor says the physical block size is 512 bytes,
but Linux says it is 2048 bytes.
A bug has been detected in GNU Parted. Refer to the web site of
parted http://www.gnu.org/software/parted/parted.html for more
information of what could be useful for bug submitting! Please
email a bug report to address@hidden containing at least the
version (2.3) and the following message: Assertion (disk != NULL)
at ../../libparted/disk.c:1548 in function ped_disk_next_partition()
failed. Aborted
The setup is SAN-based disk -> dual VIOS -> LPAR (sda and sdb are one
path for each VIOS to the same physical disk). The partition table looks
like this:
~ # parted /dev/sda unit s print free
Model: AIX VDASD (scsi)
Disk /dev/sda: 75497472s
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Number Start End Size Type File system Flags
63s 2047s 1985s Free Space
1 2048s 16383s 14336s primary boot, prep
2 16384s 3921919s 3905536s primary ext4
3 3921920s 75495423s 71573504s primary lvm
75495424s 75497471s 2048s Free Space
Can someone please shed some light on as to why this is happening on
Debian versions later then lenny? And/or can someone please assist me
in further debugging and possibly resolving this issue?
Thanks & best regards,
Frank Fegert
[1] "Debian GNU/Linux testing _Wheezy_ - Official Snapshot powerpc NETINST
Binary-1 20130112-15:23"
debian-wheezy-installer_20130112.tar.gz
Description: Binary data
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