So I can confirm the behavior with a local Xen Server and a HVM Xenial
guest. While the current proposed 4.4 kernel crashes while setting up
the acpi interrupt, this does not happen with a 4.15 kernel from
proposed on a Bionic HVM guest. Still I was able to get the 4.4 kernel
to boot by reverting the following patch. Despite it being applied to
4.4 and 4.15 proposed. So it sounds like something outside the scope of
the patch itself that changed between 4.4 and 4,15 is causing the
problems.
commit 110e8369be2953ee2d3f7fd00d66034daa4c695c
Author: Thomas Gleixner <t...@linutronix.de>
Date: Tue Aug 25 17:22:58 2020 +0200
XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt
XEN data pointer which contains XEN specific information.
BugLink: https://bugs.launchpad.net/bugs/1895031
commit c330fb1ddc0a922f044989492b7fcca77ee1db46 upstream.
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https://bugs.launchpad.net/bugs/1896725
Title:
xenial 4.4.0-191-generic in -proposed has a regression
Status in ubuntu-kernel-tests:
Confirmed
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
Confirmed
Bug description:
[Impact]
The new xenial kernel in -proposed, 4.4.0-191-generic, and its
derivatives, such as 4.4.0-1115-aws suffer a kernel panic on boot on
AWS.
I tested t2.micro and t2.medium, it happens every time. Simply install
the kernel from -proposed and reboot, we get the following oops:
[ 0.549557] BUG: unable to handle kernel paging request at ffffffffff5f3000
[ 0.552000] IP: [<ffffffff810592ff>] mp_irqdomain_activate+0x5f/0xa0
[ 0.552000] PGD 1e0f067 PUD 1e11067 PMD 1e12067 PTE 0
[ 0.552000] Oops: 0002 [#1] SMP
[ 0.552000] Modules linked in:
[ 0.552000] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 4.4.0-191-generic
#221-Ubuntu
[ 0.552000] Hardware name: Xen HVM domU, BIOS 4.2.amazon 08/24/2006
[ 0.552000] task: ffff88010a0f0000 ti: ffff88010a0f8000 task.ti:
ffff88010a0f8000
[ 0.552000] RIP: 0010:[<ffffffff810592ff>] [<ffffffff810592ff>]
mp_irqdomain_activate+0x5f/0xa0
[ 0.552000] RSP: 0000:ffff88010a0fbc48 EFLAGS: 00010086
[ 0.552000] RAX: 0000000000000086 RBX: ffff88010a1df480 RCX:
0000000000000000
[ 0.552000] RDX: ffffffffff5f3000 RSI: 0000000000000001 RDI:
000000000020c000
[ 0.552000] RBP: ffff88010a0fbc50 R08: ffffffff81ebdfd0 R09:
00000000ffffffff
[ 0.552000] R10: 0000000000000011 R11: 0000000000000009 R12:
ffff88010ad95400
[ 0.552000] R13: 0000000000000001 R14: 0000000000000009 R15:
ffff88010a1fc480
[ 0.552000] FS: 0000000000000000(0000) GS:ffff88010b240000(0000)
knlGS:0000000000000000
[ 0.552000] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 0.552000] CR2: ffffffffff5f3000 CR3: 0000000001e0a000 CR4:
0000000000160670
[ 0.552000] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 0.552000] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7:
0000000000000400
[ 0.552000] Stack:
[ 0.552000] ffff88010ac0ba58 ffff88010a0fbc70 ffffffff810ea644
ffff88010ac0ba00
[ 0.552000] ffff88010ac0ba58 ffff88010a0fbca0 ffffffff810e6d88
ffffffff810e1009
[ 0.552000] ffff88010ac0ba00 ffff88010ac0baa0 ffff88010a1fc480
ffff88010a0fbd38
[ 0.552000] Call Trace:
[ 0.552000] [<ffffffff810ea644>] irq_domain_activate_irq+0x44/0x50
[ 0.552000] [<ffffffff810e6d88>] irq_startup+0x38/0x90
[ 0.552000] [<ffffffff810e1009>] ? vprintk_default+0x29/0x40
[ 0.552000] [<ffffffff810e55e2>] __setup_irq+0x5a2/0x650
[ 0.552000] [<ffffffff811fc064>] ? kmem_cache_alloc_trace+0x1d4/0x1f0
[ 0.552000] [<ffffffff814a3870>] ? acpi_osi_handler+0xb0/0xb0
[ 0.552000] [<ffffffff810e582b>] request_threaded_irq+0xfb/0x1a0
[ 0.552000] [<ffffffff814a3870>] ? acpi_osi_handler+0xb0/0xb0
[ 0.552000] [<ffffffff814bf624>] ? acpi_ev_sci_dispatch+0x64/0x64
[ 0.552000] [<ffffffff814a3f0a>]
acpi_os_install_interrupt_handler+0xaa/0x100
[ 0.552000] [<ffffffff81fb26e1>] ? acpi_sleep_proc_init+0x28/0x28
[ 0.552000] [<ffffffff814bf689>] acpi_ev_install_sci_handler+0x23/0x25
[ 0.552000] [<ffffffff814bcf03>] acpi_ev_install_xrupt_handlers+0x1c/0x6c
[ 0.552000] [<ffffffff81fb3e9d>] acpi_enable_subsystem+0x8f/0x93
[ 0.552000] [<ffffffff81fb276c>] acpi_init+0x8b/0x2c4
[ 0.552000] [<ffffffff8141ee1e>] ? kasprintf+0x4e/0x70
[ 0.552000] [<ffffffff81fb26e1>] ? acpi_sleep_proc_init+0x28/0x28
[ 0.552000] [<ffffffff810021f5>] do_one_initcall+0xb5/0x200
[ 0.552000] [<ffffffff810a6fda>] ? parse_args+0x29a/0x4a0
[ 0.552000] [<ffffffff81f69152>] kernel_init_freeable+0x177/0x218
[ 0.552000] [<ffffffff8185dcf0>] ? rest_init+0x80/0x80
[ 0.552000] [<ffffffff8185dcfe>] kernel_init+0xe/0xe0
[ 0.552000] [<ffffffff8186aea5>] ret_from_fork+0x55/0x80
[ 0.552000] [<ffffffff8185dcf0>] ? rest_init+0x80/0x80
[ 0.552000] Code: 8d 1c d2 8d ba 0b 02 00 00 44 8d 51 11 42 8b 14 dd 74 ec
10 82 c1 e7 0c 48 63 ff 81 e2 ff 0f 00 00 48 81 ea 00 10 80 00 48 29 fa <44> 89
12 89 72 10 42 8b 14 dd 74 ec 10 82 83 c1 10 81 e2 ff 0f
[ 0.552000] RIP [<ffffffff810592ff>] mp_irqdomain_activate+0x5f/0xa0
[ 0.996006] RSP <ffff88010a0fbc48>
[ 0.996006] CR2: ffffffffff5f3000
[ 0.996006] ---[ end trace 1d0c3bd610d641a0 ]---
[ 1.012018] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x00000009
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