ad #7: I confirm that your recent build 4.9.0-8 in ppa:canonical-kernel-team/unstable boots properly.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1642192 Title: i386 4.9 in -proposed fails to boot in cloud instances Status in linux package in Ubuntu: In Progress Status in linux source package in Zesty: In Progress Bug description: I noticed a forever-looping test of linuxinfo on i386 this morning. This test upgrades the kernel to 4.9 in -proposed; as soon as that reboots, the VM never comes back. nova console-log shows: [ 1.581188] Freeing unused kernel memory: 996K (dcc37000 - dcd30000) [ 1.582525] Write protecting the kernel text: 8300k [ 1.583624] Write protecting the kernel read-only data: 3344k [ 1.584845] NX-protecting the kernel data: 6036k [ 1.585921] ------------[ cut here ]------------ [ 1.586861] WARNING: CPU: 0 PID: 1 at /build/linux-UWDXbt/linux-4.9.0/arch/x86/mm/dump_pagetables.c:225 note_page+0x6a1/0x880 [ 1.589199] x86/mm: Found insecure W+X mapping at address c00a0000/0xc00a0000 [ 1.590657] Modules linked in: [ 1.591305] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.0-1-generic #2-Ubuntu [ 1.592809] Hardware name: OpenStack Foundation OpenStack Nova, BIOS Bochs 01/01/2011 [ 1.593188] dae89e70 dc3e0b05 dae89eb4 dca47958 dae89ea0 dc07299a dca47920 dae89ed4 [ 1.593188] 00000001 dca47958 000000e1 dc068db1 000000e1 dae89f34 80000000 00000000 [ 1.593188] dae89ec0 dc072a06 00000009 00000000 dae89eb4 dca47920 dae89ed4 76601e21 [ 1.593188] Call Trace: [ 1.593188] [<dc3e0b05>] dump_stack+0x58/0x73 [ 1.593188] [<dc07299a>] __warn+0xea/0x110 [ 1.593188] [<dc068db1>] ? note_page+0x6a1/0x880 [ 1.593188] [<dc072a06>] warn_slowpath_fmt+0x46/0x60 [ 1.593188] [<dc068db1>] note_page+0x6a1/0x880 [ 1.593188] [<dc069185>] ptdump_walk_pgd_level_core+0x1f5/0x300 [ 1.593188] [<dc0692c6>] ptdump_walk_pgd_level_checkwx+0x16/0x20 [ 1.593188] [<dc05eafd>] mark_rodata_ro+0xfd/0x130 [ 1.593188] [<dc80d800>] ? rest_init+0x70/0x70 [ 1.593188] [<dc80d82c>] kernel_init+0x2c/0x100 [ 1.593188] [<dc09d641>] ? schedule_tail+0x11/0x50 [ 1.593188] [<dc80d800>] ? rest_init+0x70/0x70 [ 1.593188] [<dc8185c3>] ret_from_fork+0x1b/0x28 [ 1.613361] ---[ end trace d63b34644638754d ]--- [ 1.614368] x86/mm: Checked W+X mappings: FAILED, 96 W+X pages found. ... Begin: Waiting for root file system ... Begin: Running /scripts/local-block ... done. Begin: Running /scripts/local-block ... done. [... repeating some 50 times... ] Begin: Running /scripts/local-block ... done. done. Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system wait for the right device?) - Missing modules (cat /proc/modules; ls /dev) ALERT! UUID=ac6eb865-17d6-469d-b58e-8c0d49174fe4 does not exist. Dropping to a shell! BusyBox v1.22.1 (Ubuntu 1:1.22.0-19ubuntu2) built-in shell (ash) Enter 'help' for a list of built-in commands. (initramfs) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1642192/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
