Bug#469139: apt-listchanges and DB_RUNRECOVERY

[Daniel Jacobowitz]

This happened to me too during today's dist-upgrade. Also on amd64.

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Daniel Jacobowitz
CodeSourcery

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[Clint Adams]

On Mon, Mar 03, 2008 at 09:40:27AM -0500, Daniel Jacobowitz wrote:
> This happened to me too during today's dist-upgrade. Also on amd64.

What changed?

[Daniel Jacobowitz]

On Mon, Mar 03, 2008 at 09:52:02AM -0500, Clint Adams wrote:
> On Mon, Mar 03, 2008 at 09:40:27AM -0500, Daniel Jacobowitz wrote:
> > This happened to me too during today's dist-upgrade. Also on amd64.
>
> What changed?

I hadn't upgraded since Feb. 21st. apt-listchanges did not change;
neither did any version of libdb.

2008-03-03 09:07:02 upgrade python2.4 2.4.4-7 2.4.4-8

2008-03-03 09:16:41 upgrade python2.5 2.5.1-7 2.5.2-1

/usr/bin/python points to python2.4.

Hmm:

* Build-depend on libdb4.5-dev on all architectures; 4.6 is seriously
broken when used with the _bsddb extension.

Does this mean Python downgraded from 4.6 to 4.5? Will that prevent
4.5 from opening databases?

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Daniel Jacobowitz
CodeSourcery

[Matthias Klose]

Daniel Jacobowitz writes:
> On Mon, Mar 03, 2008 at 09:52:02AM -0500, Clint Adams wrote:
> > On Mon, Mar 03, 2008 at 09:40:27AM -0500, Daniel Jacobowitz wrote:
> > > This happened to me too during today's dist-upgrade. Also on amd64.
> >
> > What changed?
>
> I hadn't upgraded since Feb. 21st. apt-listchanges did not change;
> neither did any version of libdb.
>
> 2008-03-03 09:07:02 upgrade python2.4 2.4.4-7 2.4.4-8
>
> 2008-03-03 09:16:41 upgrade python2.5 2.5.1-7 2.5.2-1
>
> /usr/bin/python points to python2.4.
>
> Hmm:
>
> * Build-depend on libdb4.5-dev on all architectures; 4.6 is seriously
> broken when used with the _bsddb extension.
>
> Does this mean Python downgraded from 4.6 to 4.5?

yes, this was recommended by upstream; tests on the buildbots do show
crashes running the testsuite.

> Will that prevent 4.5 from opening databases?

So can you rebuild the database using the db4.x utilities?

Matthias

[Daniel Jacobowitz]

On Mon, Mar 03, 2008 at 04:15:42PM +0100, Matthias Klose wrote:
> > Will that prevent 4.5 from opening databases?
>
> So can you rebuild the database using the db4.x utilities?

Yes, that works.

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Daniel Jacobowitz
CodeSourcery

[Vincent Lefevre]

On 2008-03-03 10:27:17 -0500, Daniel Jacobowitz wrote:
> On Mon, Mar 03, 2008 at 04:15:42PM +0100, Matthias Klose wrote:
> > So can you rebuild the database using the db4.x utilities?
>
> Yes, that works.

Here too. What to do wasn't clear, so:

# db4.6_dump /var/lib/apt/listchanges.db > db.dump
# rm /var/lib/apt/listchanges.db
# db4.5_load /var/lib/apt/listchanges.db < db.dump

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[Florian Weimer]

* Vincent Lefevre:

> On 2008-03-03 10:27:17 -0500, Daniel Jacobowitz wrote:
>> On Mon, Mar 03, 2008 at 04:15:42PM +0100, Matthias Klose wrote:
>> > So can you rebuild the database using the db4.x utilities?
>>
>> Yes, that works.
>
> Here too. What to do wasn't clear, so:
>
> # db4.6_dump /var/lib/apt/listchanges.db > db.dump
> # rm /var/lib/apt/listchanges.db
> # db4.5_load /var/lib/apt/listchanges.db < db.dump

Uh-oh:

listchanges.db: Berkeley DB (Hash, version 8, native byte-order)

Why on earth is apt-listchanges using the Hash access method, and not
B-trees? Is this some Python default? That really needs to be fixed,
then.