Subject: kern/27122: nfs client readahead deadlock
To: None <gnats-bugs@gnats.NetBSD.org>
From: None <yamt@mwd.biglobe.ne.jp>
List: netbsd-bugs
Date: 10/03/2004 21:57:43
>Number: 27122
>Category: kern
>Synopsis: nfs client readahead deadlock
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sun Oct 03 12:58:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release: NetBSD 2.0H
>Organization:
>Environment:
System: NetBSD kaeru 2.0H NetBSD 2.0H (build.kaeru) #1755: Sun Oct 3 19:37:03 JST 2004 takashi@kaeru:/home/takashi/work/kernel/build.kaeru i386
Architecture: i386
Machine: i386
>Description:
nfs_bioread attempts to grab a buffer for readahead,
holding the "current" buffer.
it causes deadlock with vinvalbuf.
>How-To-Repeat:
code inspection.
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: