From: Huacai Chen <chenhuacai@gmail.com>
To: Xi Ruoyao <xry111@mengyan1223.wang>
Cc: Huacai Chen <chenhuacai@loongson.cn>,
Arnd Bergmann <arnd@arndb.de>, Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Airlie <airlied@linux.ie>, Jonathan Corbet <corbet@lwn.net>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arch <linux-arch@vger.kernel.org>,
"open list:DOCUMENTATION" <linux-doc@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
Xuefeng Li <lixuefeng@loongson.cn>,
Yanteng Si <siyanteng@loongson.cn>,
Jiaxun Yang <jiaxun.yang@flygoat.com>
Subject: Re: [PATCH V5 00/22] arch: Add basic LoongArch support
Date: Wed, 5 Jan 2022 17:40:49 +0800 [thread overview]
Message-ID: <CAAhV-H6R=xWL18AH7HzeXHOVD_d-5m7RvdQCLkOR1NeDZ_0HMw@mail.gmail.com> (raw)
In-Reply-To: <587ab54d77af2fb4cdbe0530cdd5e550c3e968db.camel@mengyan1223.wang>
Hi, Ruoyao,
The problem still exists in 5.16-rc8, can you try to change
cpu_relax() definition to smp_mb()? It seems can fix the problem.
Huacai
On Tue, Dec 28, 2021 at 4:34 PM Xi Ruoyao <xry111@mengyan1223.wang> wrote:
>
> On Tue, 2021-12-21 at 15:53 +0800, Huacai Chen wrote:
>
> > On Mon, Dec 20, 2021 at 5:04 PM Xi Ruoyao <xry111@mengyan1223.wang>
> > wrote:
> > >
> > > The snapshot panics on my system under high pressure (building and
> > > testing GCC). The panic message is pasted, but it's kind of broken up
> > > likely because multiple CPU cores were outputing to the serial console
> > > simutaniously.
> > >
> > > The config is attached. I'm not sure the reason of the panic (bug in
> > > the patches or bug in mainline kernel?) Do you have some pointers to
> > > diagnostic and fix the issue?
> > >
> > > [ 5391.004745] CPU 1 Unable to handle kernel paging request at virtual address 000000000040007e, era == 90000000003aa07c, ra == 90000000003aa84c
>
> /* snip */
>
> > We also found that the latest github kernel has some stable issues,
> > and we are investigating.
>
> I rebased the patches onto 438645193e59e91761ccb3fa55f6ce70b615ff93 and
> the problem *seems* gone. Not sure if it's something fixed in the
> mainline or some more strange thing.
> --
> Xi Ruoyao <xry111@mengyan1223.wang>
> School of Aerospace Science and Technology, Xidian University
next prev parent reply other threads:[~2022-01-05 9:40 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-13 6:36 [PATCH V5 00/22] arch: Add basic LoongArch support Huacai Chen
2021-10-13 6:36 ` [PATCH V5 01/22] Documentation: LoongArch: Add basic documentations Huacai Chen
2021-10-13 6:36 ` [PATCH V5 02/22] Documentation/zh_CN: Add basic LoongArch documentations Huacai Chen
2021-10-13 6:36 ` [PATCH V5 03/22] LoongArch: Add elf-related definitions Huacai Chen
2021-10-13 6:36 ` [PATCH V5 04/22] LoongArch: Add writecombine support for drm Huacai Chen
2021-10-13 6:36 ` [PATCH V5 05/22] LoongArch: Add build infrastructure Huacai Chen
2021-10-13 6:36 ` [PATCH V5 06/22] LoongArch: Add CPU definition headers Huacai Chen
2021-10-13 6:36 ` [PATCH V5 07/22] LoongArch: Add atomic/locking headers Huacai Chen
2021-10-13 6:36 ` [PATCH V5 08/22] LoongArch: Add other common headers Huacai Chen
2021-10-13 6:36 ` [PATCH V5 09/22] LoongArch: Add boot and setup routines Huacai Chen
2021-10-13 6:36 ` [PATCH V5 10/22] LoongArch: Add exception/interrupt handling Huacai Chen
2021-10-13 6:36 ` [PATCH V5 11/22] LoongArch: Add process management Huacai Chen
2021-10-13 6:36 ` [PATCH V5 12/22] LoongArch: Add memory management Huacai Chen
2021-10-13 6:36 ` [PATCH V5 13/22] LoongArch: Add system call support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 14/22] LoongArch: Add signal handling support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 15/22] LoongArch: Add elf and module support Huacai Chen
2021-10-13 12:56 ` Luis Chamberlain
2021-10-14 3:01 ` Huacai Chen
2021-10-13 7:11 ` [PATCH V5 16/22] LoongArch: Add misc common routines Huacai Chen
2021-10-13 7:11 ` [PATCH V5 17/22] LoongArch: Add some library functions Huacai Chen
2021-10-13 7:11 ` [PATCH V5 18/22] LoongArch: Add PCI controller support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 19/22] LoongArch: Add VDSO and VSYSCALL support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 20/22] LoongArch: Add multi-processor (SMP) support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 21/22] LoongArch: Add Non-Uniform Memory Access (NUMA) support Huacai Chen
2021-10-13 7:11 ` [PATCH V5 22/22] LoongArch: Add Loongson-3 default config file Huacai Chen
[not found] ` <722477bcc461238f96c3b038b2e3379ee49efdac.camel@mengyan1223.wang>
2021-12-21 7:53 ` [PATCH V5 00/22] arch: Add basic LoongArch support Huacai Chen
2021-12-28 8:34 ` Xi Ruoyao
2022-01-05 9:40 ` Huacai Chen [this message]
2022-01-05 11:51 ` Xi Ruoyao
2022-01-05 17:21 ` Xi Ruoyao
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