[Bug 1797557] [NEW] Bionic updates break upgrade/install/unpack

[TJ]

Public bug reported:

As I reported in comments on the end of Bug #1769657 "update toolchain
packages for bionic" on 5th October 2018 the updates have broken the
ability to upgrade package(s). Specifically, the 'dpkg --unpack' stage
breaks because, from what I can tell, some of the .dpkg-new files are
being deleted before they are due to be renamed:

$ sudo dpkg --unpack /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
(Reading database ... 406492 files and directories currently installed.)
Preparing to unpack .../libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
Unpacking libc6-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
 unable to open '/usr/arm-linux-gnueabihf/lib/ld-2.27.so.dpkg-new': No such file or directory
Errors were encountered while processing:
 /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb

$ sudo dpkg --unpack /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
(Reading database ... 406492 files and directories currently installed.)
Preparing to unpack .../libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
Unpacking libc6-dev-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
dpkg: error processing archive /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
 unable to open '/usr/arm-linux-gnueabihf/lib/Mcrt1.o.dpkg-new': No such file or directory
Errors were encountered while processing:
 /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb

$ apt-cache policy libc6-armhf-cross
libc6-armhf-cross:
  Installed: 2.27-3ubuntu1cross1
  Candidate: 2.27-3ubuntu1cross1.1
  Version table:
     2.27-3ubuntu1cross1.1 500
        500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
 *** 2.27-3ubuntu1cross1 500
        500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
        500 http://gb.archive.ubuntu.com/ubuntu bionic/main i386 Packages
        100 /var/lib/dpkg/status

I've analysed both failures using a combination of 'dpkg --debug 77777',
strace, and inotifywait, but I've not familiar enough with the dpkg
logic to determine what is going wrong.

I'm attaching debug, strace and inotifywait logs for 'libc6-armhf-cross'
where 'ld-2.27.so.dpkg-new' appears to be the problem.

** Affects: cross-toolchain-base (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "tar.gz containing dpkg, strace, inotifywait logs"
   https://bugs.launchpad.net/bugs/1797557/+attachment/5200382/+files/debug-logs.tar.gz

** Description changed:

  As I reported in comments on the end of Bug #1769657 "update toolchain
- packages for bionic" the updates have broken the ability upgrade the
- package(s). Specifically, the 'dpkg --unpack' stage breaks because, from
- what I can tell, some of the .dpkg-new files are being deleted before
- they are due to be renamed:
+ packages for bionic" on 5th October 2018 the updates have broken the
+ ability to upgrade package(s). Specifically, the 'dpkg --unpack' stage
+ breaks because, from what I can tell, some of the .dpkg-new files are
+ being deleted before they are due to be renamed:
  
  $ sudo dpkg --unpack /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
  (Reading database ... 406492 files and directories currently installed.)
  Preparing to unpack .../libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
  Unpacking libc6-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
-  unable to open '/usr/arm-linux-gnueabihf/lib/ld-2.27.so.dpkg-new': No such file or directory
+  unable to open '/usr/arm-linux-gnueabihf/lib/ld-2.27.so.dpkg-new': No such file or directory
  Errors were encountered while processing:
-  /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
- 
+  /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
  
  $ sudo dpkg --unpack /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
  (Reading database ... 406492 files and directories currently installed.)
  Preparing to unpack .../libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
  Unpacking libc6-dev-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
-  unable to open '/usr/arm-linux-gnueabihf/lib/Mcrt1.o.dpkg-new': No such file or directory
+  unable to open '/usr/arm-linux-gnueabihf/lib/Mcrt1.o.dpkg-new': No such file or directory
  Errors were encountered while processing:
-  /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
+  /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb
  
  $ apt-cache policy libc6-armhf-cross
  libc6-armhf-cross:
-   Installed: 2.27-3ubuntu1cross1
-   Candidate: 2.27-3ubuntu1cross1.1
-   Version table:
-      2.27-3ubuntu1cross1.1 500
-         500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
-         500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
-  *** 2.27-3ubuntu1cross1 500
-         500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
-         500 http://gb.archive.ubuntu.com/ubuntu bionic/main i386 Packages
-         100 /var/lib/dpkg/status
+   Installed: 2.27-3ubuntu1cross1
+   Candidate: 2.27-3ubuntu1cross1.1
+   Version table:
+      2.27-3ubuntu1cross1.1 500
+         500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
+         500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
+  *** 2.27-3ubuntu1cross1 500
+         500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
+         500 http://gb.archive.ubuntu.com/ubuntu bionic/main i386 Packages
+         100 /var/lib/dpkg/status
  
  I've analysed both failures using a combination of 'dpkg --debug 77777',
  strace, and inotifywait, but I've not familiar enough with the dpkg
  logic to determine what is going wrong.
  
  I'm attaching debug, strace and inotifywait logs for 'libc6-armhf-cross'
  where 'ld-2.27.so.dpkg-new' appears to be the problem.

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https://bugs.launchpad.net/bugs/1797557

Title:
  Bionic updates break upgrade/install/unpack

Status in cross-toolchain-base package in Ubuntu:
  New

Bug description:
  As I reported in comments on the end of Bug #1769657 "update toolchain
  packages for bionic" on 5th October 2018 the updates have broken the
  ability to upgrade package(s). Specifically, the 'dpkg --unpack' stage
  breaks because, from what I can tell, some of the .dpkg-new files are
  being deleted before they are due to be renamed:

  $ sudo dpkg --unpack /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
  (Reading database ... 406492 files and directories currently installed.)
  Preparing to unpack .../libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
  Unpacking libc6-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
   unable to open '/usr/arm-linux-gnueabihf/lib/ld-2.27.so.dpkg-new': No such file or directory
  Errors were encountered while processing:
   /var/cache/apt/archives/libc6-armhf-cross_2.27-3ubuntu1cross1.1_all.deb

  $ sudo dpkg --unpack /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb |& tee /tmp/dpkg-unpack.log
  (Reading database ... 406492 files and directories currently installed.)
  Preparing to unpack .../libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb ...
  Unpacking libc6-dev-armhf-cross (2.27-3ubuntu1cross1.1) over (2.27-3ubuntu1cross1) ...
  dpkg: error processing archive /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb (--unpack):
   unable to open '/usr/arm-linux-gnueabihf/lib/Mcrt1.o.dpkg-new': No such file or directory
  Errors were encountered while processing:
   /var/cache/apt/archives/libc6-dev-armhf-cross_2.27-3ubuntu1cross1.1_all.deb

  $ apt-cache policy libc6-armhf-cross
  libc6-armhf-cross:
    Installed: 2.27-3ubuntu1cross1
    Candidate: 2.27-3ubuntu1cross1.1
    Version table:
       2.27-3ubuntu1cross1.1 500
          500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          500 http://gb.archive.ubuntu.com/ubuntu bionic-updates/main i386 Packages
   *** 2.27-3ubuntu1cross1 500
          500 http://gb.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
          500 http://gb.archive.ubuntu.com/ubuntu bionic/main i386 Packages
          100 /var/lib/dpkg/status

  I've analysed both failures using a combination of 'dpkg --debug
  77777', strace, and inotifywait, but I've not familiar enough with the
  dpkg logic to determine what is going wrong.

  I'm attaching debug, strace and inotifywait logs for 'libc6-armhf-
  cross' where 'ld-2.27.so.dpkg-new' appears to be the problem.

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