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From: Paul Walmsley <paul.walmsley@sifive.com>
To: Alistair Francis <Alistair.Francis@wdc.com>,
	 David Abdurachmanov <david.abdurachmanov@gmail.com>
Cc: "palmer@sifive.com" <palmer@sifive.com>,
	Anup Patel <Anup.Patel@wdc.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"rppt@linux.ibm.com" <rppt@linux.ibm.com>,
	"hch@infradead.org" <hch@infradead.org>,
	Atish Patra <Atish.Patra@wdc.com>,
	"aou@eecs.berkeley.edu" <aou@eecs.berkeley.edu>,
	"linux-riscv@lists.infradead.org"
	<linux-riscv@lists.infradead.org>
Subject: Re: [PATCH v5 2/2] RISC-V: Setup initial page tables in two stages
Date: Thu, 15 Aug 2019 13:29:21 -0700 (PDT)
Message-ID: <alpine.DEB.2.21.9999.1908151327490.18249@viisi.sifive.com> (raw)
In-Reply-To: <CAEn-LTpz_iL0Ts5GG9J6oESN76DcjBaNs-Oz-c9CcpbmRiN5Sw@mail.gmail.com>

On Thu, 15 Aug 2019, David Abdurachmanov wrote:

> Yes, I do see those in Fedora/RISCV build farm every morning, but with
> riscv64 and 5.2.0-rc7 kernel.

[...]

> fedora-riscv-4 login: [178876.406122] Unable to handle kernel paging
> request at virtual address 0000000000012a28
> fedora-riscv-7 login: [17983.074847] Unable to handle kernel paging
> request at virtual address 0fffffdff5e14700

Alistair, you're seeing panics immediately after the userspace transition, 
right?  100% of the time?

If so, this is probably a different bug.  Most likely the TLB flushing 
issue.


- Paul

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  parent reply index

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-06-07  6:01 [PATCH v5 0/2] Two-stagged initial page table setup Anup Patel
2019-06-07  6:01 ` [PATCH v5 1/2] RISC-V: Fix memory reservation in setup_bootmem() Anup Patel
2019-06-28 20:59   ` Paul Walmsley
2019-06-07  6:01 ` [PATCH v5 2/2] RISC-V: Setup initial page tables in two stages Anup Patel
2019-07-11  0:05   ` Paul Walmsley
2019-08-15 18:57     ` Alistair Francis
2019-08-15 19:07       ` David Abdurachmanov
2019-08-15 20:25         ` Alistair Francis
2019-08-15 20:29         ` Paul Walmsley [this message]
2019-08-15 21:32           ` Alistair Francis
2019-08-16  1:05       ` Anup Patel
2019-06-22  4:13 ` [PATCH v5 0/2] Two-stagged initial page table setup Anup Patel

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