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From: Paul Walmsley <paul.walmsley@sifive.com>
To: Andreas Schwab <schwab@suse.de>
Cc: linux-riscv@lists.infradead.org
Subject: Re: BUG: Bad page map
Date: Tue, 11 Dec 2018 08:34:57 +0000 (UTC)	[thread overview]
Message-ID: <alpine.DEB.2.21.999.1812110833360.19013@utopia.booyaka.com> (raw)
In-Reply-To: <mvmd0q9bhob.fsf@suse.de>

Hello Andreas 

On Mon, 10 Dec 2018, Andreas Schwab wrote:

> This looks like a serious bug, especially without any swap defined.
> 
> swap_info_get: Bad swap file entry 4000000000ec9611
> BUG: Bad page map in process struct-ret-3.ex  pte:764b08c0 pmd:6e2fac01
> addr:00000000aa2a0c10 vm_flags:00100173 anon_vma:00000000dc561e1a mapping:          (null) index:3ffffe4
> file:          (null) fault:          (null) mmap:          (null) readpage:          (null)
> CPU: 2 PID: 13693 Comm: struct-ret-3.ex Not tainted 4.20.0-rc5-00011-g3b8e7421e0 #44

Can you give us some guidance on how to reproduce this?  Was this on 
hardware or software (QEMU)?  Could you post the kernel tree that you were 
using?


- Paul

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  reply	other threads:[~2018-12-11  8:35 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-10 14:05 BUG: Bad page map Andreas Schwab
2018-12-11  8:34 ` Paul Walmsley [this message]
2018-12-11 10:04   ` Andreas Schwab
2018-12-11 10:33   ` Andreas Schwab

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