This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1789118
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: bionic
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https://bugs.launchpad.net/bugs/1789118
Title:
Fails to boot under Xen PV: BUG: unable to handle kernel paging
request at edc21fd9
Status in linux package in Ubuntu:
Incomplete
Bug description:
After the most recent 18.04 32-bit upgrade of linux-image-generic, it
now refuses to boot under Xen PV mode:
.
.
.
[ 0.114370] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff,
max_idle_ns: 7645041785100000 ns
[ 0.114382] futex hash table entries: 256 (order: 2, 16384 bytes)
[ 0.114423] pinctrl core: initialized pinctrl subsystem
[ 0.134326] RTC time: 165:165:165, date: 165/165/65
[ 0.134442] NET: Registered protocol family 16
[ 0.134457] xen:grant_table: Grant tables using version 1 layout
[ 0.134502] Grant table initialized
[ 0.134544] audit: initializing netlink subsys (disabled)
[ 0.134611] audit: type=2000 audit(1535307799.132:1): state=initialized
audit_enabled=0 res=1
[ 0.134678] EISA bus registered
[ 0.136019] PCI: setting up Xen PCI frontend stub
[ 0.136073] BUG: unable to handle kernel paging request at edc21fd9
[ 0.136084] IP: eisa_bus_probe+0x19/0x36
[ 0.136089] *pdpt = 0000000001ee6027 *pde = 0000000029cc6067 *pte =
0000000000000000
[ 0.136100] Oops: 0000 [#1] SMP
[ 0.136105] Modules linked in:
[ 0.136111] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.15.0-33-generic
#36-Ubuntu
[ 0.136120] EIP: eisa_bus_probe+0x19/0x36
[ 0.136125] EFLAGS: 00010246 CPU: 0
[ 0.136130] EAX: edc21fd9 EBX: 00000000 ECX: 01e0d000 EDX: 00000200
[ 0.136138] ESI: c1d0d452 EDI: c1dd34a4 EBP: e9c89f24 ESP: e9c89f24
[ 0.136145] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: e021
[ 0.136154] CR0: 80050033 CR2: edc21fd9 CR3: 01e10000 CR4: 00042660
[ 0.136166] Call Trace:
[ 0.136173] do_one_initcall+0x49/0x174
[ 0.136179] ? parse_args+0x143/0x390
[ 0.136187] ? set_debug_rodata+0x14/0x14
[ 0.136193] kernel_init_freeable+0x149/0x1c5
[ 0.136201] ? rest_init+0xa0/0xa0
[ 0.136207] kernel_init+0xd/0xf0
[ 0.136213] ret_from_fork+0x2e/0x38
[ 0.140000] Code: ff b8 df 43 ae c1 e8 35 1b 88 ff e8 20 12 88 ff c9 c3 3e
8d 74 26 00 55 b9 04 00 00 00 31 d2 b8 d9 ff 0f 00 89 e5 e8 35 8d 35 ff <8b> 10
81 fa 45 49 53 41 75 0a c7 05 a0 76 ed c1 01 00 00 00 e8
[ 0.140000] EIP: eisa_bus_probe+0x19/0x36 SS:ESP: e021:e9c89f24
[ 0.140000] CR2: 00000000edc21fd9
[ 0.140000] ---[ end trace 8c00b3cb7d4f06ba ]---
[ 0.140013] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
This is: [ 0.000000] Linux version 4.15.0-33-generic
(buildd@lgw01-amd64-038) (gcc version 7.3.0 (Ubuntu 7.3.0-16ubuntu3))
#36-Ubuntu SMP Wed Aug 15 13:44:35 UTC 2018 (Ubuntu
4.15.0-33.36-generic 4.15.18)
Switching to a 64-bit kernel allows boot to proceed.
I cannot include output of the commands you request (uname,
version_signature, dmesg, lspci) because the guest doesn't boot. The
above kernel output is from a just-installed clean guest however.
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