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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
To: Huacai Chen <chenhuacai@kernel.org>
Cc: "open list:MIPS" <linux-mips@vger.kernel.org>
Subject: Re: Loongson64 and huge pages
Date: Wed, 8 Dec 2021 12:50:30 +0100	[thread overview]
Message-ID: <20211208115030.GA9868@alpha.franken.de> (raw)
In-Reply-To: <CAAhV-H6tWyiZCtZXf_57-va9J8C+Roy5bgKJVc0=ATRrHV9Mtw@mail.gmail.com>

On Wed, Dec 08, 2021 at 09:56:50AM +0800, Huacai Chen wrote:
> Hi, Thomas,
> 
> On Wed, Dec 8, 2021 at 8:59 AM Thomas Bogendoerfer
> <tsbogend@alpha.franken.de> wrote:
> >
> > Hi,
> >
> > [   11.647401] CPU 3 Unable to handle kernel paging request at virtual address 0000000558005801, epc == ffffffff80232838, ra == ffffffff802327ac
> > [   11.660049] Oops[#1]:
> > [   11.662303] CPU: 3 PID: 348 Comm: libvirtd Not tainted 5.16.0-rc3+ #140
> > [   11.668877] Hardware name: Lemote LEMOTE-LS3A4000-7A1000-1w-V0.1-pc/LEMOTE-LS3A4000-7A1000-1w-V01-pc, BIOS Kunlun-A1901-V4.1.4 04/20/2020
> > [   11.929428] note: libvirtd[348] exited with preempt_count 1
> [..]
> >
> > is this a known issue ? If I disabled TRANSPARENT_HUGE_PAGE system
> > works.
> Have you tried some older kernels, such as 5.10/5.15? I have seen that
> some MM-related patches be merged in MIPS tree in recent releases, and
> maybe this bug is caused by them.

not yet, as it has worked, I'm going to bisect it.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]

      reply	other threads:[~2021-12-08 13:05 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-07 16:26 Loongson64 and huge pages Thomas Bogendoerfer
2021-12-08  1:56 ` Huacai Chen
2021-12-08 11:50   ` Thomas Bogendoerfer [this message]

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