Gentoo Archives: gentoo-user

From: Helmut Jarausch <jarausch@××××××××××××××××.de>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Hanging mount
Date: Wed, 27 Jun 2012 11:05:48
Message-Id: 1340795027.1962.0@numa-i
In Reply to: [gentoo-user] Hanging mount by meino.cramer@gmx.de
1 On 06/27/2012 04:44:34 AM, meino.cramer@×××.de wrote:
2 > Hi,
3 >
4 > i accidentally tried to mount the extended partition /dev/sda4
5 > from this disk:
6 >
7 >
8 >
9 > Disk /dev/sda: 1000.2 GB, 1000204886016 bytes
10 > 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168
11 > sectors
12 > Units = sectors of 1 * 512 = 512 bytes
13 > Sector size (logical/physical): 512 bytes / 512 bytes
14 > I/O size (minimum/optimal): 512 bytes / 512 bytes
15 > Disk identifier: 0x07ec16a2
16 >
17 > Device Boot Start End Blocks Id System
18 > /dev/sda1 * 2048 104447 51200 83 Linux
19 > /dev/sda2 104448 12687359 6291456 82 Linux swap /
20 > Solaris
21 > /dev/sda3 12687360 222402559 104857600 83 Linux
22 > /dev/sda4 222402560 1953525167 865561304 5 Extended
23 > /dev/sda5 222404608 232890367 5242880 83 Linux
24 > /dev/sda6 232892416 442607615 104857600 83 Linux
25 > /dev/sda7 442609664 652324863 104857600 83 Linux
26 > /dev/sda8 652326912 862042111 104857600 83 Linux
27 > /dev/sda9 862044160 1071759359 104857600 83 Linux
28 > /dev/sda10 1071761408 1281476607 104857600 83 Linux
29 > /dev/sda11 1281478656 1491193855 104857600 83 Linux
30 > /dev/sda12 1491195904 1953525167 231164632 83 Linux
31 >
32 >
33 > which results in a hanging mount process, which cannot be killed.
34 >
35 > I was urged to use the sysreq-key to reboot and get rid of that
36 > process.
37 >
38 > This happens with kernel 3.2.21 and 3.4.4.
39 >
40 > Is this the expected bahviour?
41 >
42
43 I cannot tell you if kernel hanging in this case is normal.
44
45 But, if there is any problem during mount, the kernel seems to hang.
46 As far as I remember, it only has a very long time out, but it will
47 'kill' that mount request some time.
48
49 Helmut.

Replies

Subject Author
Re: [gentoo-user] Hanging mount Alex Schuster <wonko@×××××××××.org>