Re: Oops or bad page in page_alloc.c

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

On Mon, May 09 2022 at 15:40, Yimin Deng wrote:
> I encountered an oops in isolate_pcp_pages() and a bad page in
> get_page_from_freelist().
>
> linux: 3.12.37-rt51  (CONFIG_PREEMPT_RT_BASE not enabled)

The 3.12 kernel series went out of maintenance five years ago
with version 3.12.74-rt99.

    https://www.kernel.org/doc/html/latest/admin-guide/reporting-issues.html

> [18857089.275357] CPU: 1 PID: 10357 Comm: appmon.sh Tainted: G   O 3.12.37-rt51 #1

    https://www.kernel.org/doc/html/latest/admin-guide/tainted-kernels.html

Thanks,

        tglx