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From:   Thomas Gleixner <tglx@linutronix.de>
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To:     Yimin Deng <yimin11.deng@gmail.com>, linux-rt-users@vger.kernel.org
Subject: Re: Oops or bad page in page_alloc.c
In-Reply-To: <CAAh1qtktzZQxXp_t43YhxL6FZTS58rn_xvK2Zrq33-s3=j_sGQ@mail.gmail.com>
References: <CAAh1qtktzZQxXp_t43YhxL6FZTS58rn_xvK2Zrq33-s3=j_sGQ@mail.gmail.com>
Date:   Thu, 12 May 2022 01:19:43 +0200
Message-ID: <875ymby7w0.ffs@tglx>
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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