** Description changed: (Updated Description/Summary) Summary ========== * This is a bug in the supermin package v5.1.14 in Xenial. * This bug affects supermin versions < v5.1.18 when using a - kernel that is v4.13-based or later. + kernel that is v4.13-based or later. * This bug was caused by an update to the mainline v4.13 kernel - which broke supermin due to the way supermin handled symlinks. + which broke supermin due to the way supermin handled symlinks. Impact ======== * The bug results in total loss of functionality in supermin - and users of supermin such as guestfish, libguestfs-test-tool, - others. i.e. it is a regression in functionality for managing - virtual appliances. + and users of supermin such as guestfish, libguestfs-test-tool, + others. i.e. it is a regression in functionality for managing + virtual appliances. * This bug does not affect Bionic, Artful or Trusty (See Comment #14). Test Case & Reproduction =========================== * This bug manifests in different ways based on the caller / use case - but is reliable and consistent in its reproduction. - See original description and Comment #12, for trivial repro cases. + but is reliable and consistent in its reproduction. + See original description and Comment #12, for trivial repro cases. Fix ==== * The fix for the Xenial version includes a backport of 2 upstream - fixes to the file ext2fs-c.c (the fix for the symlink breakage - is contained in this file). See comment #13 for details. + fixes to the file ext2fs-c.c (the fix for the symlink breakage + is contained in this file). See comment #13 for details. * A separate PPA test package for Xenial is available to test with - (See comment #13). + (See comment #13). * This fix has been tested successfully on Xenial and shown to fix the - reported and related breakages as listed in this bug (Comment #12). + reported and related breakages as listed in this bug (Comment #12). Regression Potential ===================== * Regression Potential: there might be some bugs in some edge cases - that have not been tested or some environment that is not typical - causing some new issue which might affect the creation of the virtual - appliances and their management/manipulation via tools in the - libguestfs-tools package (e.g. guestfish). + that have not been tested or some environment that is not typical + causing some new issue which might affect the creation of the virtual + appliances and their management/manipulation via tools in the + libguestfs-tools package (e.g. guestfish). + + + The attached debdiff is intended to create a rev of the current Xenial + package version supermin_5.1.14-2ubuntu1 to supermin_5.1.14-2ubuntu1.1. ---- Original Description ===================== after upgrade to 4.13.0-26-generic #29~16.04.2-Ubuntu all the virt-* tools not work anymore running the libguestfs-test-tool shows that the qemu kernel crashes [ 0.755354] Kernel panic - not syncing: Attempted to kill init! exitcode=0x00000100 [ 0.755354] [ 0.756619] CPU: 0 PID: 1 Comm: init Not tainted 4.13.0-26-generic #29~16.04.2-Ubuntu [ 0.757893] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 0.759157] Call Trace: [ 0.759444] dump_stack+0x63/0x8b [ 0.760847] panic+0xe4/0x23d [ 0.761184] do_exit+0xae6/0xaf0 [ 0.761547] ? dput+0x34/0x1f0 [ 0.762292] do_group_exit+0x43/0xb0 [ 0.762690] SyS_exit_group+0x14/0x20 [ 0.763333] entry_SYSCALL_64_fastpath+0x1e/0x81 [ 0.764221] RIP: 0033:0x451579 [ 0.764799] RSP: 002b:00007ffda4fe3768 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 0.766275] RAX: ffffffffffffffda RBX: 0000000001415cb3 RCX: 0000000000451579 [ 0.767056] RDX: 0000000000000008 RSI: 0000000000000001 RDI: 0000000000000001 [ 0.768290] RBP: 0000000001415c30 R08: 000000000000003c R09: 00000000000000e7 [ 0.769451] R10: ffffffffffffffd0 R11: 0000000000000246 R12: 0000000000000000 [ 0.770651] R13: 0044b82fa09b5a53 R14: 0000000000000000 R15: 0000000001415c30 [ 0.772563] Kernel Offset: 0x3cc00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 0.774729] Rebooting in 1 seconds.. libguestfs: error: appliance closed the connect ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: linux-image-4.13.0-26-generic 4.13.0-26.29~16.04.2 ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13 Uname: Linux 4.13.0-26-generic x86_64 ApportVersion: 2.20.1-0ubuntu2.15 Architecture: amd64 Date: Mon Jan 15 07:03:40 2018 InstallationDate: Installed on 2017-07-14 (184 days ago) InstallationMedia: Ubuntu-Server 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.8) SourcePackage: linux-hwe UpgradeStatus: No upgrade log present (probably fresh install)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1743300 Title: libguestfs not work anymore with 4.13.0-26-generic #29~16.04.2-Ubuntu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/supermin/+bug/1743300/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
