From owner-freebsd-bugs@FreeBSD.ORG Tue Feb 8 09:00:33 2005 Return-Path: Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id C20E716A4D5 for ; Tue, 8 Feb 2005 09:00:33 +0000 (GMT) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3FD3E43D4C for ; Tue, 8 Feb 2005 09:00:29 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.1/8.13.1) with ESMTP id j1890Tt7047422 for ; Tue, 8 Feb 2005 09:00:29 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.1/8.13.1/Submit) id j1890TkZ047421; Tue, 8 Feb 2005 09:00:29 GMT (envelope-from gnats) Resent-Date: Tue, 8 Feb 2005 09:00:29 GMT Resent-Message-Id: <200502080900.j1890TkZ047421@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Tsurutani Naoki Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 3BED316A4CE for ; Tue, 8 Feb 2005 08:56:14 +0000 (GMT) Received: from polymer3.scphys.kyoto-u.ac.jp (polymer3.scphys.kyoto-u.ac.jp [130.54.56.153]) by mx1.FreeBSD.org (Postfix) with ESMTP id ECCDB43D41 for ; Tue, 8 Feb 2005 08:56:11 +0000 (GMT) (envelope-from turutani@polymer3.scphys.kyoto-u.ac.jp) Received: from polymer3.scphys.kyoto-u.ac.jp (localhost [127.0.0.1]) ESMTP id j188u7fa000756; Tue, 8 Feb 2005 17:56:07 +0900 (JST) (envelope-from turutani@polymer3.scphys.kyoto-u.ac.jp) Received: (from turutani@localhost)j188u4sh000755; Tue, 8 Feb 2005 17:56:04 +0900 (JST) (envelope-from turutani) Message-Id: <200502080856.j188u4sh000755@polymer3.scphys.kyoto-u.ac.jp> Date: Tue, 8 Feb 2005 17:56:04 +0900 (JST) From: Tsurutani Naoki To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 cc: turutani@polymer3.scphys.kyoto-u.ac.jp Subject: kern/77253: meminfo in linprocfs returns bad value about swap. X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: Tsurutani Naoki List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 Feb 2005 09:00:34 -0000 >Number: 77253 >Category: kern >Synopsis: meminfo in linprocfs returns bad value about swap. >Confidential: no >Severity: non-critical >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Feb 08 09:00:28 GMT 2005 >Closed-Date: >Last-Modified: >Originator: Tsurutani Naoki >Release: FreeBSD 4.10-STABLE i386 >Organization: >Environment: System: FreeBSD polymer3.scphys.kyoto-u.ac.jp 4.10-STABLE FreeBSD 4.10-STABLE #15: Sat Aug 7 13:16:19 JST 2004 root@polymer3.scphys.kyoto-u.ac.jp:/usr/local/work/usr/obj/usr/src/sys/POLYMER i386 >Description: "cat /compat/linux/proc/meminfo" returns bad value about swap size in use. On host with next swap partision: % swapinfo Device 1K-blocks Used Avail Capacity Type /dev/ad0s1b 262016 0 262016 0% Interleaved /dev/rad1s1b 1048448 0 1048448 0% Interleaved Total 1310464 0 1310464 0% "cat /compat/linux/proc/meminfo" shows next values: % cat /compat/linux/proc/meminfo total: used: free: shared: buffers: cached: Mem: 532656128 66535424 466120704 14569472 0 25350144 Swap: 1073741824 18446744073441378304 1341915136 MemTotal: 520172 kB MemFree: 455196 kB MemShared: 14228 kB Buffers: 0 kB Cached: 24756 kB SwapTotal: 1048576 kB SwapFree: 1310464 kB The 2nd column in "Swap:" line is incorrect, and this is due to bad "total swap size" of the 1st column in that line. I guess this value is the size of 2nd swap device. But the unused swap size shows correct size, so the difference of 2 values becomes negative value and shows large long long integer value. >How-To-Repeat: always when 2 swap device is specified. only 1 device does not make such result. >Fix: I don't know. "swapblist" in /usr/src/sys/i386/linux/linprocfs/linprocfs_misc.c might be suspicious.... >Release-Note: >Audit-Trail: >Unformatted: