[Aptitude-devel] Bug#602746: Exception : ../../src/ui.cc:1389: void auto_fix_broken(): Assertion "resman->resolver_exists()" failed.

[Jan-Hendrik Peters]

Hi Manuel,

nice to hear from you!

No, I didn't have this issue since years.


Cheers
Henner

Am 12.01.2016 um 20:59 schrieb Manuel A. Fernandez Montecelo:
> Control: tags -1 + moreinfo
> 
> 
> Hi Ciril and Jan-Hendrik,
> 
> 2010-11-07 18:50 Cyril Brulebois:
>> Package: aptitude
>> Version: 0.6.3-3.2
>> Severity: important
>>
>> Hi,
>>
>> context: I've got the whole X Server 1.9 stack installed from
>> experimental,
>> except a few video drivers. After having uploaded -ati/-radeon to
>> experimental, I tried to install them through the GUI, with '+' on them,
>> but that doesn't work because the unstable version is preferred, so they
>> appear as 'broken' (as expected). Then, in turn, I pick the experimental
>> version, and everything goes green again.
>>
>> Unfortunately, hitting 'g' to perform the installation leads to this
>> assertion:
>> | Exception : ../../src/ui.cc:1389: void auto_fix_broken(): Assertion
>> "resman->resolver_exists()" failed.
>>
>> That's reproducible.
>>
>> (Full package name: xserver-xorg-video-ati and
>> xserver-xorg-video-radeon.)
>>
>>
>> Trying the CLI, same kind of issues. Here's a transcript:
>> [...]
>> | The following actions will resolve these dependencies:
>> |
>> |      Install the following packages:
>> | 1)     xserver-xorg-video-ati [1:6.13.2-1 (experimental)]
>> | 2)     xserver-xorg-video-radeon [1:6.13.2-1 (experimental)]
>> |
>> |
>> |
>> | Accept this solution? [Y/n/q/?] y
>> | The following packages have unmet dependencies:
>> |   xserver-xorg-core: Breaks: xserver-xorg-video-6 which is a virtual
>> package.
>> | *** ERROR: search aborted by fatal exception.  You may continue
>> |            searching, but some solutions will be unreachable.
>> |
>> | I want to resolve dependencies, but no dependency resolver was
>> created.The following NEW packages will be installed:
>> |   xserver-xorg-video-ati xserver-xorg-video-radeon
>> | 0 packages upgraded, 2 newly installed, 0 to remove and 2 not upgraded.
>> | Need to get 0 B/910 kB of archives. After unpacking 1847 kB will be
>> used.
>> | aptitude failed to find a solution to these dependencies.  You can
>> solve them yourself by hand or type 'n' to quit.
>> | The following packages have unmet dependencies:
>> |   xserver-xorg-core: Breaks: xserver-xorg-video-6 which is a virtual
>> package.
>> | Resolve these dependencies by hand? [N/+/-/_/:/?] ^C
>>
>> That's reproducible as well.
>>
>> As you can see below, I have Debian's testing, unstable, and
>> experimental repositories enabled, and only that.
> 
> 
> 2010-12-03 17:39 Jan-Hendrik (HennR) Peters:
>> Same problem here.
>>
>> I'm trying to replace xserver-xorg-video-radeonhd with
>> xserver-xorg-video-radeon:
>>
>> # aptitude install xserver-xorg-video-radeon
>>
>> [...]
>>
>> Accept this solution? [Y/n/q/?] y
>> The following packages have unmet dependencies:
>>  xserver-xorg-core: Breaks: xserver-xorg-video-6 which is a virtual
>> package.
>> *** ERROR: search aborted by fatal exception.  You may continue
>>           searching, but some solutions will be unreachable.
>>
>> I want to resolve dependencies, but no dependency resolver was
>> created.The following NEW packages will be installed:
>>  xserver-xorg-video-radeon
>> 0 packages upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
>> Need to get 0 B/665 kB of archives. After unpacking 1,520 kB will be
>> used.
>> aptitude failed to find a solution to these dependencies.  You can solve
>> them yourself by hand or type 'n' to quit.
>> The following packages have unmet dependencies:
>>  xserver-xorg-core: Breaks: xserver-xorg-video-6 which is a virtual
>> package.
>> Resolve these dependencies by hand? [N/+/-/_/:/?]
>> Abort.
>>
>>
>> So far so good.
>>
>> But if I start aptitude with ncurses and do the following:
>>
>> mark xserver-xorg-video-radeonhd to get removed
>> mark xserver-xorg-video-radeon to get installed
>> switch to dependency resolve mode (pressing e)
>> choose alternative number 2 (install xserver-xorg-video-radeon)
>> submitting my choice by pressing "!" aptitude crashes with this error:
>>
>> Uncaught exception: ../../src/ui.cc:1389: void auto_fix_broken():
>> Assertion "resman->resolver_exists()" failed.
>>
>> sometimes I have to press "g" to make it crash tough.
>>
>> Well, I just figured out that this happens as well if I don't mark
>> xserver-xorg-video-radeonhd to get removed before.
> 
> 
> Have you both experienced this issue in that last few years, after this
> report that you have sent?
> 
> I have not seen any other bug reports related with this problem in the
> hundreds that I have triaged in the last few years, and the problems in
> this report seem to have happened at a very specific point in time,
> within one month, and never reported since.
> 
> This can have been caused by a bad compilation, or bad interaction/ABI
> incompatibility of some of the libraries.
> 
> If it wasn't experienced after that point in time, I don't think that it
> makes a lot of sense to chase it after 5 years.
> 
> 
> Cheers.