DragonFly users List (threaded) for 2009-02
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Re: HAMMER hosed?


From: Bill Hacker <wbh@xxxxxxxxxxxxx>
Date: Sat, 14 Feb 2009 04:38:57 +0800

Bill Hacker wrote:
Simon 'corecode' Schubert wrote:
Bill Hacker wrote:
Hi Simon, Thanks for the quick reply...

The install would have used whatever the default was as of the
DEVELOPMENT snapshot of just a few days ago.

DFLY was happy cooperating with the (at the time) DFLY, Slackware,
OpenBSD, NetBSD and each booted fine off the new DFLY bootloader.

FreeBSD 8- December snapshot was used to change the type of the second
slice, sub-partition it, then install itself to replace Linux.

Bad move, as along the way it screwed the hammerfs-bootable DFLY somehow.

fdisk sees what was expected.

The other three OS'en still boot and run nomally.

Selecting DFLY (F1) returns 'invalid partition'

What I get with either disklabel or disklabel64 off the DFLY
Live/Install CD is:

'bad pack magic number'


Attempts to edit the label give:


'Operation not supported by device'


Now - IF I knew what bits or bytes to change and where, I'm happy to go after it with a hex editor... or dd. or whatever.

But I had not made a disklabel copy, so ....

you could post the output of


dd if=/dev/adXXsYY count=4 | hd

for us to debug. Alternatively, you can try killing the disklabel with

dd if=/dev/zero of=/dev/adXXsYY count=4

and then re-creating it. it basically has to read:

a: * 0 HAMMER
b: $SWAPSIZE * swap

where swapsize is the value you entered in the installer. The default value depends on your memory size and is 2*next_power_of_2(your_memory_in_MB) MB.

cheers
 simon

I've gotten into disklabel -e mode with NetBSD.


Not going to change anything just yet, but rather write what it sees, do the same with OpenBSD and FreeBSD (perhaps even a Linux).

Will post those as well as the dd output 'shortly'.

Thanks,

Bill


dd output heme'd to readable is attached, as it would word-wrap to uselessness.


Other views below.

Thanks,

Bill


========================================================================= NetBSD sees:

# /dev/rwd0d:
type: unknown
disk: Hitachi HTS5416
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 16
sectors/cylinder: 1008
cylinders: 232581
total sectors: 234441648
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # microseconds
track-to-track seek: 0  # microseconds
drivedata: 0

16 partitions:
#   size    offset     fstype [fsize bsize cpg/sgs]
a:  8192016 188731620  4.2BSD  2048 16384   0  # (Cyl. 187233*- 195360*)
b:  2048256 196923636  swap                    # (Cyl. 195360*- 197392*)
c: 45703980 188731620  unused      0    0      # (Cyl. 187233*- 232574)
d:234441648         0  unused      0    0      # (Cyl.      0 - 232580)
e: 62910477        63  4.2BSD      0    0   0  # (Cyl.      0*-  62411*)
f: 62910540  62910540 Linux Ext2   0    0      # (Cyl.  62411*- 124822*)
g: 62910540 125821080 unknown                  # (Cyl. 124822*- 187233*)
h: 12288528 198971892  4.2BSD   2048 16384  0  # (Cyl. 197392*- 209583*)
i:  8192016 211260420  4.2BSD   2048 16384  0  # (Cyl. 209583*- 217710*)
j:  8192016 219452436  4.2BSD   2048 16384  0  # (Cyl. 217710*- 225837*)
k:  6791148 227644452  4.2BSD   2048 16384  0  # (Cyl. 225837*- 232574)

NOTES: The Linux Ext2 s/b type 165 / A5 FreeBSD, as it was so set then FreeBSD installed and tested from it.
=========================================================================


OpenBSD sees (not much it has not put its own prints on.. but it boots)

# /dev/rwd0c:
type: ESDI
disk: ad0s3
label:
flags:
bytes/sector: 512
sectors/track: 63
tracks/cylinder: 255
sectors/cylinder: 16065
cylinders: 14593
total sectors: 234441648
rpm: 3600
interleave: 1
trackskew: 0
cylinderskew: 0
headswitch: 0           # microseconds
track-to-track seek: 0  # microseconds
drivedata: 0

8 partitions:
#                size         offset  fstype [fsize bsize  cpg]
a:         62910540        125821080  4.2BSD   2048 16384    1
c:        234441648                0  unused      0     0

============================================================================

DFLY won't read anything at all...



00000000:    EB 3C 00 00 00 00 00 00 00 00 00 00 02 00 00 00 00 00 00 00 00 00 00 00     .<......................
00000018:    12 00 02 00 00 00 00 00 00 00 00 00 00 16 1F 66 6A 00 51 50 06 53 31 C0     ...............fj.QP.S1.
00000030:    88 F0 50 6A 10 89 E5 E8 C0 00 8D 66 10 CB FC 31 C9 8E C1 8E D9 8E D1 BC     ..Pj.......f...1........
00000048:    00 7C 89 E6 BF 00 07 FE C5 F3 A5 BE EE 7D 80 FA 80 72 2C B6 01 E8 60 00     .|...........}...r,...`.
00000060:    B9 01 00 BE AA 8E B6 01 80 7C 04 A5 75 07 E3 19 F6 04 80 75 14 83 C6 10     .........|..u......u....
00000078:    FE C6 80 FE 05 72 E9 49 E3 E1 BE A2 7D EB 4B 31 D2 89 16 00 09 B6 10 E8     .....r.I....}.K1........
00000090:    2E 00 BB 00 90 8B 77 0A 01 DE BF 00 C0 B9 00 AE 29 F1 F3 A4 FA 49 74 14     ......w.........)....It.
000000A8:    E4 64 A8 02 75 F7 B0 D1 E6 64 E4 64 A8 02 75 FA B0 DF E6 60 FB E9 50 13     .d..u....d.d..u....`..P.
000000C0:    BB EC 8C 8B 44 08 8B 4C 0A 0E E8 5A FF 73 2A BE 9D 7D E8 1C 00 BE A7 7D     ....D..L...Z.s*..}.....}
000000D8:    E8 16 00 30 E4 CD 16 C7 06 72 04 34 12 EA 00 00 FF FF BB 07 00 B4 0E CD     ...0.....r.4............
000000F0:    10 AC 84 C0 75 F4 B4 01 F9 C3 2E F6 06 B0 08 80 74 22 80 FA 80 72 1D BB     ....u...........t"...r..
00000108:    AA 55 52 B4 41 CD 13 5A 72 12 81 FB 55 AA 75 0C F6 C1 01 74 07 89 EE B4     .UR.A..Zr...U.u....t....
00000120:    42 CD 13 C3 52 B4 08 CD 13 88 F5 5A 72 CB 80 E1 3F 74 C3 FA 66 8B 46 08     B...R......Zr...?t..f.F.
00000138:    52 66 0F B6 D9 66 31 D2 66 F7 F3 88 EB 88 D5 43 30 D2 66 F7 F3 88 D7 5A     Rf...f1.f......C0.f....Z
00000150:    66 3D FF 03 00 00 FB 77 9D 86 C4 C0 C8 02 08 E8 40 91 88 FE 28 E0 8A 66     f=.....w........@...(..f
00000168:    02 38 E0 72 02 B0 01 BF 05 00 C4 5E 04 50 B4 02 CD 13 5B 73 0A 4F 74 1C     .8.r.......^.P....[s.Ot.
00000180:    30 E4 CD 13 93 EB EB 0F B6 C3 01 46 08 73 03 FF 46 0A D0 E3 00 5E 05 28     0..........F.s..F....^.(
00000198:    46 02 77 88 C3 52 65 61 64 00 42 6F 6F 74 00 20 65 72 72 6F 72 0D 0A 00     F.w..Read.Boot. error...
000001B0:    80 90 90 90 90 90 90 90 90 90 90 90 90 90 00 00 00 00 00 00 00 00 00 00     ........................
000001C8:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
000001E0:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 80 00 01 00 A5 FE FF FF 00 00     ........................
000001F8:    00 00 50 C3 00 00 55 AA 57 45 56 82 05 00 00 00 61 64 30 73 31 00 00 00     ..P...U.WEV.....ad0s1...
00000210:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
00000228:    00 02 00 00 3F 00 00 00 FF 00 00 00 01 39 00 00 C1 3E 00 00 B0 4B F9 0D     ....?........9...>...K..
00000240:    00 00 00 00 00 00 00 00 10 0E 01 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
00000258:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
00000270:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 57 45 56 82     ....................WEV.
00000288:    A4 96 08 00 00 20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ..... ..................
000002A0:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 11 EF BF 03     ........................
000002B8:    3F 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ?.......................
000002D0:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
000002E8:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00     ........................
00000300:    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 EB 0E 42 54     ......................BT
00000318:    58 01 02 80 F6 0F 80 06 00 20 00 00 FA 31 C0 8E D0 BC 00 18 8E C0 8E D8     X........ ...1..........
00000330:    66 6A 02 66 9D BF 00 5E B9 00 19 F3 AB BB 22 95 B9 10 00 BF 80 00 89 1D     fj.f...^......".........
00000348:    47 47 AB 83 C3 04 E2 F6 BF 00 5E BE D2 95 AC 98 91 E3 1D AC 92 AD 93 AD     GG........^.............
00000360:    B6 08 D1 EB 73 0B 89 05 88 75 02 88 55 05 83 C0 04 8D 7D 08 E2 EC EB DE     ....s....u..U.....}.....
00000378:    C6 45 05 18 C6 45 08 10 C6 45 66 68 BB 20 28 E8 B8 00 0F 01 1E C6 95 0F     .E...E...Efh. (.........
00000390:    01 16 C0 95 0F 20 C0 40 0F 22 C0 EA 8C 90 08 00 31 C9 B1 10 8E D1 B1 38     ..... .@."......1......8
000003A8:    0F 00 D9 BA 00 A0 00 00 36 0F B7 05 13 04 00 00 C1 E0 0A 2D 00 10 00 00     ........6..........-....
000003C0:    29 D0 B1 33 51 50 68 02 02 00 00 6A 2B FF 35 0C 90 00 00 51 51 51 51 52     )..3QPh....j+.5....QQQQR
 offset: 0x0  (   0)  char:




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