[Pkg-utopia-maintainers] Bug#1070019: udisks2: autopkgtest failure: fsconfig system call failed: /dev/sr1: Can't open blockdev

[Chris Hofstaedtler]

Source: udisks2
Version: 2.10.1-6
Severity: serious

Hi,

udisks2's autopkgtest fails when tried together with util-linux 2.40. An
example can be seen here:
https://ci.debian.net/packages/u/udisks2/testing/amd64/46012968/

537s ======================================================================
537s FAIL: test_ext4 (__main__.FS.test_ext4)
537s fs: ext4
537s ----------------------------------------------------------------------
537s Traceback (most recent call last):
537s   File "/tmp/autopkgtest.btnhgm/build.cz4/src/src/tests/integration-test", line 1107, in _do_udisks_check
537s     cd_fs.call_mount_sync(ro_options, None)
537s gi.repository.GLib.GError: udisks-error-quark: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error mounting /dev/sr1 at /media/root/41b1acb1-744c-422a-9071-2dba5368a683: fsconfig system call failed: /dev/sr1: Can't open blockdev (0)
537s 
537s During handling of the above exception, another exception occurred:
537s 
537s Traceback (most recent call last):
537s   File "/tmp/autopkgtest.btnhgm/build.cz4/src/src/tests/integration-test", line 725, in test_ext4
537s     self._do_fs_check('ext4')
537s   File "/tmp/autopkgtest.btnhgm/build.cz4/src/src/tests/integration-test", line 894, in _do_fs_check
537s     self._do_udisks_check(fs_type)
537s   File "/tmp/autopkgtest.btnhgm/build.cz4/src/src/tests/integration-test", line 1112, in _do_udisks_check
537s     self.fail('Mounting read-only device with \'rw\' option failed'
537s AssertionError: Mounting read-only device with 'rw' option failedwith an unexpected error.
537s Got: udisks-error-quark: GDBus.Error:org.freedesktop.UDisks2.Error.Failed: Error mounting /dev/sr1 at /media/root/41b1acb1-744c-422a-9071-2dba5368a683: fsconfig system call failed: /dev/sr1: Can't open blockdev (0)
537s Expected: 'is write-protected but explicit read-write mode requested' or 'is write-protected but `rw' option given'

I do not understand what this error means, or what the underlying problem is.
Please investigate.

Chris