[Nix-dev] error: querying path in database: database disk image is malformed

[Domen Kožar]

You'll have to boot a live USB/CD, just as you'd perform an installation
from scratch.

I don't know if there's a better way to fix sqlite (besdes having a
backup), sorry.

On Tue, Jul 26, 2016 at 10:08 AM, Marco Maggesi <maggesi at math.unifi.it>
wrote:

> I'm on NixOS.  I see that the nixos-install is present in my system.
> Then I would like to avoid to burn a new installation CD, if possible.
>
> Can I run nixos-install from my installed system?
> I tried, and this is what I get:
>
> # nixos-install --root /
> /run/current-system/sw/bin/nixos-install: line 88:
> /run/current-system/sw/bin/mount: No such file or directory
>
> # mount /dev/disk/by-label/nixos /mnt
>
> # nixos-install
> cp: cannot stat '/etc/resolv.conf': No such file or directory
> cp: cannot stat '/etc/hosts': No such file or directory
>
> Thanks again,
> Marco
>
>
>
> 2016-07-26 9:18 GMT+02:00 Domen Kožar <domen at dev.si>:
>
>> If it's a single user install, just run:
>>
>> $ curl https://nixos.org/nix/install | sh
>>
>> If it's a multi-user install, follow
>> http://nixos.org/nix/manual/#ssec-multi-user
>>
>> For NixOS, run nixos-install on your root partition.
>>
>>
>> On Tue, Jul 26, 2016 at 9:13 AM, Marco Maggesi <maggesi at math.unifi.it>
>> wrote:
>>
>>> Thanks Domen.
>>>
>>> But how I do (re)install Nix?
>>> From sources?
>>>
>>> M.
>>>
>>> 2016-07-25 10:46 GMT+02:00 Domen Kožar <domen at dev.si>:
>>>
>>>> Happened to me once, I deleted the sqlite db (made a backup of it
>>>> first) and just installed Nix again.
>>>>
>>>> On Mon, Jul 25, 2016 at 10:23 AM, Marco Maggesi <maggesi at math.unifi.it>
>>>> wrote:
>>>>
>>>>> Hi,
>>>>>
>>>>> during the last upgrade I got this error:
>>>>>
>>>>> # nix-env --always -u
>>>>> error: querying path in database: database disk image is malformed
>>>>> (use ‘--show-trace’ to show detailed location information)
>>>>>
>>>>> Here is what sqlite says:
>>>>>
>>>>> ./sqlite3 /nix/var/nix/db/db.sqlite "pragma integrity_check"
>>>>> *** in database main ***
>>>>> Page 5033: btreeInitPage() returns error code 11
>>>>> Page 3988: btreeInitPage() returns error code 11
>>>>> Page 1926: btreeInitPage() returns error code 11
>>>>> Page 2363: btreeInitPage() returns error code 11
>>>>> Page 3146: btreeInitPage() returns error code 11
>>>>> Page 5090: btreeInitPage() returns error code 11
>>>>> Page 5124: btreeInitPage() returns error code 11
>>>>> Page 283: btreeInitPage() returns error code 11
>>>>> Error: database disk image is malformed
>>>>>
>>>>> Can you give me a suggestion on the cheapest way to recover from this?
>>>>>
>>>>> Thanks,
>>>>> Marco
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> nix-dev mailing list
>>>>> nix-dev at lists.science.uu.nl
>>>>> http://lists.science.uu.nl/mailman/listinfo/nix-dev
>>>>>
>>>>>
>>>>
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>>>>
>>>
>>
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>
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