System was panicked in function bit_putcs with hard lockup because of CPU cache coherency issue.

Issue

• Kernel panicked with the below logs:

[Sat Apr 27 09:49:47 IST 2024] Kernel panic - not syncing: Hard LOCKUP
[Sat Apr 27 09:49:47 IST 2024] CPU: 6 PID: 38 Comm: migration/6 Kdump: loaded Tainted: P           OEL ------------   3.10.0-1160.114.2.el7.x86_64 #1
[Sat Apr 27 09:49:47 IST 2024] Hardware name: Dell Inc. PowerEdge R630/0CNCJW, BIOS 1.3.6 06/03/2015
[Sat Apr 27 09:49:47 IST 2024] Call Trace:
[Sat Apr 27 09:49:47 IST 2024]  <NMI>  [<ffffffff8b7b1bec>] dump_stack+0x19/0x1f
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7ab708>] panic+0xe8/0x21f
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b030a78>] ? show_regs+0x58/0x290
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b09f523>] nmi_panic+0x43/0x50
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b157499>] watchdog_overflow_callback+0x119/0x140
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b1b3337>] __perf_event_overflow+0x57/0x100
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b1bcdf4>] perf_event_overflow+0x14/0x20
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b00acf0>] handle_pmi_common+0x1a0/0x260
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b39ecb8>] ? ioremap_page_range+0x2e8/0x490
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b211be4>] ? vunmap_page_range+0x234/0x470
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b46b096>] ? ghes_copy_tofrom_phys+0x116/0x220
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b00afef>] intel_pmu_handle_irq+0xcf/0x1d0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7bb039>] perf_event_nmi_handler+0x39/0x60
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7bc9cc>] nmi_handle.isra.0+0x8c/0x150
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7bcbed>] do_nmi+0x15d/0x460
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7bbdf4>] end_repeat_nmi+0x1e/0x81
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b4255c0>] ? bit_putcs+0x2f0/0x5a0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b4255c0>] ? bit_putcs+0x2f0/0x5a0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b4255c0>] ? bit_putcs+0x2f0/0x5a0
[Sat Apr 27 09:49:47 IST 2024]  <EOE>  <IRQ>  [<ffffffffc02596c7>] ? mga_dirty_update+0x1f7/0x320 [mgag200]
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffffc025981f>] ? mga_imageblit+0x2f/0x40 [mgag200]
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b425293>] ? bit_cursor+0x663/0x6a0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b4209bb>] fbcon_putcs+0x12b/0x160
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b4252d0>] ? bit_cursor+0x6a0/0x6a0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b420d17>] fbcon_redraw.isra.24+0x197/0x200
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b421c64>] fbcon_scroll+0x364/0xda0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b49c02f>] scrup+0x16f/0x180
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b49c0e8>] lf+0xa8/0xb0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b49c3c2>] vt_console_print+0x2d2/0x430
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0a0b83>] call_console_drivers.constprop.19+0x93/0xf0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0a23e8>] console_unlock+0x478/0x4c0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0a2804>] vprintk_emit+0x3d4/0x520
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0a2bb9>] vprintk_default+0x29/0x40
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7ab89f>] printk+0x60/0x7b
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b1570a5>] watchdog_timer_fn+0x1b5/0x220
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b156ef0>] ? watchdog+0x50/0x50
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0cfb1e>] __hrtimer_run_queues+0x10e/0x270
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0d00af>] hrtimer_interrupt+0xaf/0x1e0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b05fd7b>] local_apic_timer_interrupt+0x3b/0x70
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7ca053>] smp_apic_timer_interrupt+0x43/0x60
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7c63f2>] apic_timer_interrupt+0x172/0x180
[Sat Apr 27 09:49:47 IST 2024]  <EOI>  [<ffffffff8b13d81f>] ? multi_cpu_stop+0x4f/0x110
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b13d8d1>] ? multi_cpu_stop+0x101/0x110
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b13d7d0>] ? cpu_stop_should_run+0x50/0x50
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b13dae9>] cpu_stopper_thread+0x99/0x160
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7b7920>] ? __schedule+0x320/0x680
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0d43fc>] smpboot_thread_fn+0x14c/0x1b0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0d42b0>] ? lg_double_unlock+0x40/0x40
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0cb621>] kthread+0xd1/0xe0
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0cb550>] ? insert_kthread_work+0x40/0x40
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b7c51f7>] ret_from_fork_nospec_begin+0x21/0x21
[Sat Apr 27 09:49:47 IST 2024]  [<ffffffff8b0cb550>] ? insert_kthread_work+0x40/0x40