Gentoo Archives: gentoo-user

From: Martin S <shieldfire@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] is it toast?
Date: Fri, 24 Mar 2006 06:37:55
Message-Id: 7ad4c500603232230m4e3d9158x@mail.gmail.com
In Reply to: Re: [gentoo-user] is it toast? by Iain Buchanan
1 2006/3/24, Iain Buchanan <iaindb@××××××××××××.au>:
2 >
3 > On Fri, 2006-03-24 at 07:03 +0100, Martin S wrote:
4 > > I lent my USB stick to a guy for a job the other day. Apparently his
5 > > Win98 box wanted to install drivers for it to work, so he pulled it
6 > > before Wintendo (anything < 2000) could get to doing its stuff.
7 > >
8 > > Now I get
9 > >
10 > > SuicidalPuppy martoni # mount /mnt/usb/
11 > > mount: block device /dev/sda is write-protected, mounting read-only
12 > > mount: wrong fs type, bad option, bad superblock on /dev/sda,
13 > > missing codepage or other error
14 > > In some cases useful info is found in syslog - try
15 > > dmesg | tail or so
16 >
17 > The "read-only" is a bit misleading - I get this message when mount
18 > can't understand the filesystem, even though it may be ok.
19 >
20 > If you don't need any data from the drive, see if you can re-fdisk and
21 > re-format it. Unplug it first and plug in again, just in case you did
22 > something bad with hdparm.
23
24
25
26 SuicidalPuppy martoni # fdisk /dev/sda
27 You will not be able to write the partition table.
28 Device contains neither a valid DOS partition table, nor Sun, SGI or OSF
29 disklabel
30 Building a new DOS disklabel. Changes will remain in memory only,
31 until you decide to write them. After that, of course, the previous
32 content won't be recoverable.
33
34 Warning: invalid flag 0x0000 of partition table 4 will be corrected by
35 w(rite)
36
37 Command (m for help): n
38 Command action
39 e extended
40 p primary partition (1-4)
41 p
42 Partition number (1-4): 1
43 First cylinder (1-1015, default 1):
44 Using default value 1
45 Last cylinder or +size or +sizeM or +sizeK (1-1015, default 1015):
46 Using default value 1015
47
48 Command (m for help): p
49
50 Disk /dev/sda: 262 MB, 262144000 bytes
51 9 heads, 56 sectors/track, 1015 cylinders
52 Units = cylinders of 504 * 512 = 258048 bytes
53
54 Device Boot Start End Blocks Id System
55 /dev/sda1 1 1015 255752 83 Linux
56
57 Command (m for help): w
58
59 Unable to write /dev/sda
60
61
62 Regards,
63
64 Martin S