** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Xenial)
Importance: Undecided => High
** Description changed:
- This is a POTENTIAL REGRESSION.
+ [Impact]
- This issue occurs on one of the AWS instance "t2.medium"
+ 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.
- Steps:
- 1. Deploy this instance with AWS kernel (4.4.0-1115)
+ I tested t2.micro and t2.medium, it happens every time. Simply install
+ the kernel from -proposed and reboot, we get the following oops:
- Result:
- * System cannot be accessible after lunching with for 4.4.0-1115, from aws
console - (get system log) indicates it hang with kernel panic issue on boot.
-
- attached full output
+ [ 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
** Summary changed:
- Kernel panic with AWS 4.4.0-1115-aws
+ xenial 4.4.0-191-generic in -proposed has a regression
--
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https://bugs.launchpad.net/bugs/1896725
Title:
xenial 4.4.0-191-generic in -proposed has a regression
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
New
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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