When doing "cat /proc/interrupts" after qxl.ko is unloaded, an oops occurs:
BUG: unable to handle page fault for address: c0274769
PGD 2a0d067 P4D 2a0d067 PUD 2a0f067 PMD 103f39067 PTE 0
Oops: [#1] PREEMPT SMP PTI
CPU: 6 PID: 246 Comm: cat Not tainted 6.1.0-rc2 #24
Hardware name: QEMU
On Tue, Nov 08, 2022 at 11:16:01PM +0800, Wei Li wrote:
> When doing "cat /proc/interrupts" after qxl.ko is unloaded, an oops occurs:
>
> BUG: unable to handle page fault for address: c0274769
> PGD 2a0d067 P4D 2a0d067 PUD 2a0f067 PMD 103f39067 PTE 0
> Oops: [#1] PREEMPT SMP PTI
> CPU