Bug#590884: Out of disk error

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 13.05.2012 19:01, Ben Hutchings wrote:

> On Wed, 2012-05-09 at 11:14 +0200, Vladimir 'φ-coder/phcoder' Serbinenko
> wrote:
>> On 09.05.2012 10:56, Lionel FÉLICITÉ wrote:
>>> Le lundi 07 mai 2012 à 18:21 +0200, Lionel FÉLICITÉ a écrit :
>>>> Le lundi 07 mai 2012 à 18:16 +0200, Vladimir 'φ-coder/phcoder'
>>>> Serbinenko a écrit :
>>>>> On 07.05.2012 15:32, Lionel FÉLICITÉ wrote:
>>>>>> Le jeudi 12 avril 2012 à 12:36 +0200, Vladimir 'φ-coder/phcoder'
>>>>>> Serbinenko a écrit :
>>>>>>> On 12.04.2012 12:20, Vladimir 'φ-coder/phcoder' Serbinenko wrote:
>>>>>>>> On 12.04.2012 11:57, Lionel FÉLICITÉ wrote:
>>>>>>>>> 0000010: 6824
>>>>>>>> Yes, this is minix2fs magic. But it's also part of the value of
>>>>>>>> free_inodes of ext2. That's the most weird variation on ghost
>>>>>>>> filesystems I've ever seen. I'll think about it.
>>>>>>> Noteworthy is that you can workaround this problem by simply creating
>>>>>>> any files on / this would consume few inodes and remove this "magic".
>>>>>>>>> * grub-pc/install_devices:
>>>>>>>> /dev/disk/by-id/md-uuid-f1a48207:bff28d4f:a4d2adc2:26fd5302
>>>>>>>> install-devices must be real disks, not raids.
>>>>>>>>
>>>>>> Hi,
>>>>>> I tried 
>>>>>>
>>>>>> cd /
>>>>>> dd if=/dev/zero of=ld_file_1GB bs=1M count=1k
>>>>>> dd if=/dev/zero of=ld_01_file_1GB bs=1M count=1k
>>>>>>
>>>>>> It doesn't seem to work.
>>>>> It's not about free space. It's about free inodes, e.g. number of files
>>>>> you can create.
>>>>>>
>>>>>
>>>> Ah... I understand.
>>>> I'll try it soon.
>>>>
>>>> Thanks
>>>>
>>> It works ! I needed to use up to 25% of free inode to make it works.
>> It's not a fix yet, more of a confirmation of my assessment. I'll see
>> how minixfs detection can be improved or decreased in priority.
> 
> Unless this relates to the file system used by current MINIX 3, can we
> not just disable it in Debian?

The problem is more in the cumulative effect than in any single FS.
Several filesystems in GRUB had unreliable detection, including ext2.
Upstream fixes are in commits 4326 and 4333

> 
> Ben.
> 



-- 
Regards
Vladimir 'φ-coder/phcoder' Serbinenko

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