NetBSD Problem Report #45215
From yamt@NetBSD.org Fri Aug 5 00:34:14 2011
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Date: Fri, 5 Aug 2011 00:34:14 +0000 (UTC)
From: yamt@NetBSD.org
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To: gnats-bugs@NetBSD.org
Subject: physio/directio doesn't dirty pages
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>Number: 45215
>Category: kern
>Synopsis: physio/directio doesn't dirty pages
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Fri Aug 05 00:35:00 +0000 2011
>Originator: YAMAMOTO Takashi
>Release: NetBSD current
>Organization:
>Environment:
>Description:
physio/directio doesn't dirty the userland buffer pages.
if pages are cleaned by other thread immediately after our thread
uvm_vslock pages, the modification can be lost.
>How-To-Repeat:
>Fix:
>Unformatted:
(Contact us)
$NetBSD: query-full-pr,v 1.39 2013/11/01 18:47:49 spz Exp $
$NetBSD: gnats_config.sh,v 1.8 2006/05/07 09:23:38 tsutsui Exp $
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