On Wed, 13 May 2026 13:44:13 +0530, Sayali Patil wrote:
> A kernel panic is observed when handling machine check exceptions from
> real mode.
>
> BUG: Unable to handle kernel data access on read at 0xc00000006be21300
> Oops: Kernel access of bad area, sig: 11 [#1]
> MSR: 8000000000001003 <SF,ME,RI,LE> CR: 88222248 XER: 00000005
> CFAR: c00000000003ffc4 DAR: c00000006be21300 DSISR: 40000000 IRQMASK: 0
> NIP [c000000000029e40] arch_irq_work_raise+0x10/0x70
> LR [c00000000003ffc8] machine_check_queue_event+0xa8/0x150
> Call Trace:
> [c0000000179d3c70] [c00000000003ff64] machine_check_queue_event+0x44/0x150
> [c0000000179d3d30] [c0000000000084e0] machine_check_early_common+0x1f0/0x2c0
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/time: Remove redundant preempt_disable|enable() calls from
arch_irq_work_raise() - part1
https://git.kernel.org/powerpc/c/31467b23823ffec1f6fff407f8e3ca9af8b7491a
cheers