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Re: udev memory problem when trying to plug a disk with corrupted partition table



Le Mer 19 novembre 2014 21:16, Scott Ferguson a écrit :
> On 20/11/14 04:06, "Morel Bérenger" wrote:
>
>> Le Lun 17 novembre 2014 19:32, Henrique de Moraes Holschuh a écrit :
>>
>>> On Mon, 17 Nov 2014, berenger.morel@neutralite.org wrote:
>>>
>>>
>>>> So, what part of that disk should I extract, which could be usable
>>>> and sharable? Partition table, of course, which is probably at
>>>> disk's beginning, but how long might it be?
>>>
>>> That depends.  What kind of partition table?
>>>
>>
>>
>> I think it's msdos.
>>
>
>
> Could you post the output of "fdisk -l /dev/$ProblematicDisk" please
> (you'll need to run the command as root)?

Note that I think this output is actuall not complete, I suspect fdisk to
not trying to show the whole one.

====================
# fdisk -l /dev/sdc
Warning: omitting partitions after #60.
They will be deleted if you save this partition table.

Disk /dev/sdc: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders, total 976773168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x80b686b1

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1   *        2048     1050623      524288   83  Linux
/dev/sdc2         1050624    22024191    10486784    b  W95 FAT32
/dev/sdc3        22026238   520376319   249175041    5  Extended
/dev/sdc4       520376320   976773119   228198400   83  Linux
/dev/sdc5        22026240    83892223    30932992   83  Linux
/dev/sdc6        83894272   146808831    31457280   a9  NetBSD
/dev/sdc7       373573632   394545151    10485760   83  Linux
/dev/sdc8       394547200   520376319    62914560   83  Linux
/dev/sdc9        83894272   146808831    31457280   a9  NetBSD
/dev/sdc10      373573632   394545151    10485760   83  Linux
/dev/sdc11      394547200   520376319    62914560   83  Linux
/dev/sdc12       83894272   146808831    31457280   a9  NetBSD
/dev/sdc13      373573632   394545151    10485760   83  Linux
/dev/sdc14      394547200   520376319    62914560   83  Linux
/dev/sdc15       83894272   146808831    31457280   a9  NetBSD
/dev/sdc16      373573632   394545151    10485760   83  Linux
/dev/sdc17      394547200   520376319    62914560   83  Linux
/dev/sdc18       83894272   146808831    31457280   a9  NetBSD
/dev/sdc19      373573632   394545151    10485760   83  Linux
/dev/sdc20      394547200   520376319    62914560   83  Linux
/dev/sdc21       83894272   146808831    31457280   a9  NetBSD
/dev/sdc22      373573632   394545151    10485760   83  Linux
/dev/sdc23      394547200   520376319    62914560   83  Linux
/dev/sdc24       83894272   146808831    31457280   a9  NetBSD
/dev/sdc25      373573632   394545151    10485760   83  Linux
/dev/sdc26      394547200   520376319    62914560   83  Linux
/dev/sdc27       83894272   146808831    31457280   a9  NetBSD
/dev/sdc28      373573632   394545151    10485760   83  Linux
/dev/sdc29      394547200   520376319    62914560   83  Linux
/dev/sdc30       83894272   146808831    31457280   a9  NetBSD
/dev/sdc31      373573632   394545151    10485760   83  Linux
/dev/sdc32      394547200   520376319    62914560   83  Linux
/dev/sdc33       83894272   146808831    31457280   a9  NetBSD
/dev/sdc34      373573632   394545151    10485760   83  Linux
/dev/sdc35      394547200   520376319    62914560   83  Linux
/dev/sdc36       83894272   146808831    31457280   a9  NetBSD
/dev/sdc37      373573632   394545151    10485760   83  Linux
/dev/sdc38      394547200   520376319    62914560   83  Linux
/dev/sdc39       83894272   146808831    31457280   a9  NetBSD
/dev/sdc40      373573632   394545151    10485760   83  Linux
/dev/sdc41      394547200   520376319    62914560   83  Linux
/dev/sdc42       83894272   146808831    31457280   a9  NetBSD
/dev/sdc43      373573632   394545151    10485760   83  Linux
/dev/sdc44      394547200   520376319    62914560   83  Linux
/dev/sdc45       83894272   146808831    31457280   a9  NetBSD
/dev/sdc46      373573632   394545151    10485760   83  Linux
/dev/sdc47      394547200   520376319    62914560   83  Linux
/dev/sdc48       83894272   146808831    31457280   a9  NetBSD
/dev/sdc49      373573632   394545151    10485760   83  Linux
/dev/sdc50      394547200   520376319    62914560   83  Linux
/dev/sdc51       83894272   146808831    31457280   a9  NetBSD
/dev/sdc52      373573632   394545151    10485760   83  Linux
/dev/sdc53      394547200   520376319    62914560   83  Linux
/dev/sdc54       83894272   146808831    31457280   a9  NetBSD
/dev/sdc55      373573632   394545151    10485760   83  Linux
/dev/sdc56      394547200   520376319    62914560   83  Linux
/dev/sdc57       83894272   146808831    31457280   a9  NetBSD
/dev/sdc58      373573632   394545151    10485760   83  Linux
/dev/sdc59      394547200   520376319    62914560   83  Linux
/dev/sdc60       83894272   146808831    31457280   a9  NetBSD

Partition table entries are not in disk order
====================

As you will notice, the starting sectors are always the same for the 3
repetitive partitions.
When I use autocomplete on /dev/sdc, it asks me if I want to see the 256
possibilities, and I can see that I still have some (3) udevd processes.
I am wondering, is udevd started for every partition the kernel detects?


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