Bug#841051: Can't open /grub-mkconfig_lib on upgrade due to empty $pkgdatadir

[Martin Steigerwald]

Am Montag, 17. Oktober 2016, 10:02:43 CEST schrieb Colin Watson:
> On Mon, Oct 17, 2016 at 10:28:56AM +0200, Martin Steigerwald wrote:
> > Generating grub configuration file ...
> > /etc/grub.d/00_header: 30: .: Can't open /grub-mkconfig_lib
> 
> pkgdatadir is supposed to be exported by grub-mkconfig.  Could you
> please change "set -e" at the top of /usr/sbin/grub-mkconfig to
> "set -ex", try this again, and send me the output?

It is set. But I do not see an export of the variable anywhere in the script.

Anyway, here is output:

merkaba:~> LANG=C apt upgrade
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Calculating upgrade... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
After this operation, 0 B of additional disk space will be used.
Do you want to continue? [Y/n] 
Setting up grub-pc (2.02~beta3-1) ...
device node not found
device node not found
device node not found
device node not found
Installing for i386-pc platform.
Installation finished. No error reported.
Installing for i386-pc platform.
Installation finished. No error reported.
+ prefix=/usr
+ exec_prefix=/usr
+ datarootdir=/usr/share
+ prefix=/usr
+ exec_prefix=/usr
+ sbindir=/usr/sbin
+ bindir=/usr/bin
+ sysconfdir=/etc
+ PACKAGE_NAME=GRUB
+ PACKAGE_VERSION=2.02~beta2-17
+ host_os=linux-gnu
+ datadir=/usr/share
+ [ x = x ]
+ pkgdatadir=/usr/share/grub
+ grub_cfg=
+ grub_mkconfig_dir=/etc/grub.d
+ basename /usr/sbin/grub-mkconfig
+ self=grub-mkconfig
+ grub_probe=/usr/sbin/grub-probe
+ grub_file=/usr/bin/grub-file
+ grub_editenv=/usr/bin/grub-editenv
+ grub_script_check=/usr/bin/grub-script-check
+ export TEXTDOMAIN=grub
+ export TEXTDOMAINDIR=/usr/share/locale
+ . /usr/share/grub/grub-mkconfig_lib
+ prefix=/usr
+ exec_prefix=/usr
+ datarootdir=/usr/share
+ datadir=/usr/share
+ bindir=/usr/bin
+ sbindir=/usr/sbin
+ [ x/usr/share/grub = x ]
+ test x/usr/sbin/grub-probe = x
+ test x/usr/bin/grub-file = x
+ test x = x
+ grub_mkrelpath=/usr/bin/grub-mkrelpath
+ which gettext
+ :
+ grub_tab=
+ test 2 -gt 0
+ option=-o
+ shift
+ argument -o /boot/grub/grub.cfg
+ opt=-o
+ shift
+ test 1 -eq 0
+ echo /boot/grub/grub.cfg
+ grub_cfg=/boot/grub/grub.cfg
+ shift
+ test 0 -gt 0
+ fgrep -qs ${GRUB_PREFIX}/video.lst /etc/grub.d/00_header
+ [ x = x ]
+ id -u
+ EUID=0
+ [ 0 != 0 ]
+ set /usr/sbin/grub-probe dummy
+ test -f /usr/sbin/grub-probe
+ :
+ head -1
+ /usr/sbin/grub-probe --target=device /
+ GRUB_DEVICE=/dev/mapper/sata-debian
+ /usr/sbin/grub-probe --device /dev/mapper/sata-debian --target=fs_uuid
+ GRUB_DEVICE_UUID=ebda8c23-2154-4559-be2b-9e9c422658d1
+ /usr/sbin/grub-probe --target=device /boot
+ GRUB_DEVICE_BOOT=/dev/sdb2
+ /usr/sbin/grub-probe --device /dev/sdb2 --target=fs_uuid
+ GRUB_DEVICE_BOOT_UUID=96735182-42db-4a5f-944a-2f91eae1edf1
+ /usr/sbin/grub-probe --device /dev/mapper/sata-debian --target=fs
+ GRUB_FS=btrfs
+ [ xbtrfs = xunknown ]
+ test -f /etc/default/grub
+ . /etc/default/grub
+ GRUB_DEFAULT=0
+ GRUB_TIMEOUT=5
+ lsb_release -i -s
+ GRUB_DISTRIBUTOR=Debian
+ GRUB_CMDLINE_LINUX_DEFAULT=resume=/dev/mapper/sata-swap init=/bin/systemd 
no_console_suspend thinkpad_acpi.fan_control=1
+ GRUB_CMDLINE_LINUX=
+ GRUB_GFXMODE=1920x1080
+ [ -e /etc/default/grub.d/*.cfg ]
+ [ x != x ]
+ termoutdefault=0
+ [ x = x ]
+ GRUB_TERMINAL_OUTPUT=gfxterm
+ termoutdefault=1
+ GRUB_ACTUAL_DEFAULT=0
+ [ x0 = xsaved ]
+ [ x = x ]
+ GRUB_RECOVERY_TITLE=recovery mode
+ export GRUB_DEVICE GRUB_DEVICE_UUID GRUB_DEVICE_BOOT GRUB_DEVICE_BOOT_UUID 
GRUB_FS GRUB_FONT GRUB_PRELOAD_MODULES GRUB_ACTUAL_DEFAULT
+ export GRUB_DEFAULT GRUB_HIDDEN_TIMEOUT GRUB_HIDDEN_TIMEOUT_QUIET 
GRUB_TIMEOUT GRUB_TIMEOUT_STYLE GRUB_DEFAULT_BUTTON GRUB_HIDDEN_TIMEOUT_BUTTON 
GRUB_TIMEOUT_BUTTON GRUB_TIMEOUT_STYLE_BUTTON GRUB_BUTTON_CMOS_ADDRESS 
GRUB_BUTTON_CMOS_CLEAN GRUB_DISTRIBUTOR GRUB_CMDLINE_LINUX 
GRUB_CMDLINE_LINUX_DEFAULT GRUB_CMDLINE_XEN GRUB_CMDLINE_XEN_DEFAULT 
GRUB_CMDLINE_LINUX_XEN_REPLACE GRUB_CMDLINE_LINUX_XEN_REPLACE_DEFAULT 
GRUB_CMDLINE_NETBSD GRUB_CMDLINE_NETBSD_DEFAULT GRUB_CMDLINE_GNUMACH 
GRUB_TERMINAL_INPUT GRUB_TERMINAL_OUTPUT GRUB_SERIAL_COMMAND 
GRUB_DISABLE_LINUX_UUID GRUB_DISABLE_RECOVERY GRUB_VIDEO_BACKEND GRUB_GFXMODE 
GRUB_BACKGROUND GRUB_THEME GRUB_GFXPAYLOAD_LINUX GRUB_DISABLE_OS_PROBER 
GRUB_INIT_TUNE GRUB_SAVEDEFAULT GRUB_ENABLE_CRYPTODISK GRUB_BADRAM 
GRUB_OS_PROBER_SKIP_LIST GRUB_DISABLE_SUBMENU GRUB_RECORDFAIL_TIMEOUT 
GRUB_RECOVERY_TITLE
+ test x/boot/grub/grub.cfg != x
+ rm -f /boot/grub/grub.cfg.new
+ umask
+ oldumask=0022
+ umask 077
+ exec
+ umask 0022
+ gettext Generating grub configuration file ...
Generating grub configuration file ...+ echo

+ cat
+ grub_file_is_not_garbage /etc/grub.d/00_header
+ test -f /etc/grub.d/00_header
+ return 0
+ test -x /etc/grub.d/00_header
+ echo
+ echo ### BEGIN /etc/grub.d/00_header ###
+ /etc/grub.d/00_header
/etc/grub.d/00_header: 30: .: Can't open /grub-mkconfig_lib
dpkg: error processing package grub-pc (--configure):
 subprocess installed post-installation script returned error exit status 2
Errors were encountered while processing:
 grub-pc
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E: Sub-process /usr/bin/dpkg returned an error code (1)

Thanks,
-- 
Martin