[Bug 2076388] Re: Kernel crashes on ARM64

** Package changed: ubuntu => linux (Ubuntu)

** Tags added: noble

--
You received this bug notification because you are subscribed to linux
in Ubuntu.
Matching subscriptions: Bgg, Bmail, Nb
https://bugs.launchpad.net/bugs/2076388

Title:
Kernel crashes on ARM64

Status in linux package in Ubuntu:
New

Bug description:
Since I transitioned to apple silicon, I had to switch all my Linux
VMs to ARM64 (using Parallels). Generally Linux has run well as you
would expect, but I am seeing one persistent issue that followed me
from 23.10 to 24.04:

About once a month there will be a kernel crash. After this crash, the
date resets to around Sat Sep 30 05:43:15 PM CDT 2119

After this, it is not possible to reset the date, it results in an
error. The only choice is to reboot. I can log in and make an orderly
job of shutting everything down and rebooting. I haven't properly
reported it yet, as I am usually in the middle of deadlines. I am
hoping next time it happens, I have some downtime. The crash is this:

[3024774.492566] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[3024774.492586] rcu: 0-...!: (42 ticks this GP) idle=46dc/1/0x4000000000000002 softirq=16814401/16814403 fqs=0
[3024774.492595] rcu: (detected by 1, t=3001942682709 jiffies, g=24837729, q=204 ncpus=2)
[3024774.492603] Sending NMI from CPU 1 to CPUs 0:
[3024774.495842] NMI backtrace for cpu 0 skipped: idling at default_idle_call+0x68/0x1b8
[3024774.496609] rcu: rcu_preempt kthread timer wakeup didn't happen for 3002404477593 jiffies! g24837729 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
[3024774.496631] rcu: Possible timer handling issue on cpu=1 timer-softirq=34811404
[3024774.496638] rcu: rcu_preempt kthread starved for 3002404477596 jiffies! g24837729 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1
[3024774.496649] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[3024774.496657] rcu: RCU grace-period kthread stack dump:
[3024774.496663] task:rcu_preempt state:I stack:0 pid:17 tgid:17 ppid:2 flags:0x00000008
[3024774.496667] Call trace:
[3024774.496668] __switch_to+0xbc/0xf0
[3024774.496672] __schedule+0x2a8/0x7b0
[3024774.496674] schedule+0x40/0x168
[3024774.496675] schedule_timeout+0xac/0x1e0
[3024774.496676] rcu_gp_fqs_loop+0x128/0x508
[3024774.496679] rcu_gp_kthread+0x150/0x188
[3024774.496680] kthread+0xf8/0x110
[3024774.496681] ret_from_fork+0x10/0x20
[3024774.496683] rcu: Stack dump where RCU GP kthread last ran:
[3024774.496690] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.8.0-36-generic #36-Ubuntu
[3024774.496691] Hardware name: Parallels International GmbH. Parallels ARM Virtual Machine/Parallels ARM Virtual Platform, BIOS 19.3.1 (54941) Thu, 25 Apr 202
[3024774.496692] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[3024774.496693] pc : cpuidle_idle_call+0xb8/0x210
[3024774.496696] lr : cpuidle_idle_call+0x1a0/0x210
[3024774.496697] sp : ffff800083973e00
[3024774.496697] x29: ffff800083973e10 x28: 0000000000000000 x27: 0000000000000000
[3024774.496699] x26: 0000000000000000 x25: 0000000000000000 x24: 0000000000000000
[3024774.496700] x23: 0000000000000000 x22: ffff0000c04da240 x21: ffff0000c04da240
[3024774.496701] x20: 0000000000000000 x19: 0000000000000000 x18: ffff800083935020
[3024774.496702] x17: 0000000000000000 x16: 0000000000000000 x15: 0000edc89995e7a0
[3024774.496703] x14: 0000000000000000 x13: 0000000000000000 x12: 0000000000000000
[3024774.496704] x11: 0000000000000000 x10: 865b25db6086752f x9 : ffff8000801fb6b4
[3024774.496705] x8 : ffff0000c04dc448 x7 : 0000000000000000 x6 : 0000000000000000
[3024774.496706] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000
[3024774.496707] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
[3024774.496708] Call trace:
[3024774.496708] cpuidle_idle_call+0xb8/0x210
[3024774.496710] do_idle+0xb0/0x130
[3024774.496712] cpu_startup_entry+0x40/0x50
[3024774.496713] secondary_start_kernel+0xec/0x130
[3024774.496714] __secondary_switched+0xc0/0xc8

I have quite a bit of development experience, so I can run any tasks
you need to further troubleshoot this.

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2076388/+subscriptions