Received: by oss.sgi.com id ; Sun, 3 Sep 2000 22:22:14 -0700 Received: from deliverator.sgi.com ([204.94.214.10]:1857 "EHLO deliverator.sgi.com") by oss.sgi.com with ESMTP id ; Sun, 3 Sep 2000 22:21:39 -0700 Received: from info.engr.sgi.com (info.engr.sgi.com [192.26.80.216]) by deliverator.sgi.com (980309.SGI.8.8.8-aspam-6.2/980310.SGI-aspam) via ESMTP id WAA12667; Sun, 3 Sep 2000 22:13:20 -0700 (PDT) mail_from (nobody@info.engr.sgi.com) Received: (from nobody@localhost) by info.engr.sgi.com (SGI-8.9.3/8.9.3) id WAA06655; Sun, 3 Sep 2000 22:20:56 -0700 (PDT) Date: Sun, 3 Sep 2000 22:20:56 -0700 (PDT) Message-Id: <200009040520.WAA06655@info.engr.sgi.com> X-Pv-Incident: 800850 webPV: clouds.melbourne.sgi.com webExec: webpvsubmit,PvProjectIncident Reply-To: sgi.bugs.xfs@fido.engr.sgi.com From: pv@relay.sgi.com (dxm@engr.sgi.com) Subject: BUG 800850 - XFS + CONFIG_HIGHMEM4GB bug To: nb@sgi.com Cc: linux-xfs@oss.sgi.com Sender: owner-linux-xfs@oss.sgi.com Precedence: bulk Return-Path: X-Orcpt: rfc822;linux-xfs-outgoing View Incident: http://co-op.engr.sgi.com/BugWorks/code/bwxquery.cgi?search=Search&wlong=1&view_type=Bug&wi=800850 Submitter : dxm Submitter Domain : engr Assigned Engineer : nb Assigned Domain : sgi.com Assigned Group : xfs-linux Category : software Customer Reported : F Priority : 2 Project : xfs-linux Status : open Description : Enabling CONFIG_HIGHMEM4GB on bruce (a 1400), then running QA trips the following BUG() in QA 001: kernel BUG at highmem.c:231! Entering kdb (0xf6eec000) on processor 0 Panic: invalid operand due to panic @ 0xc013077b eax = 0x0000001d ebx = 0xfe268000 ecx = 0xc02b406c edx = 0x00000028 esi = 0x00000000 edi = 0xc2055790 esp = 0xf6eedda0 eip = 0xc013077b ebp = 0xf6eeddb4 ss = 0x00000018 cs = 0x00000010 eflags = 0x00010246 ds = 0x00000018 es = 0x00000018 origeax = 0xffffffff ®s = 0xf6eedd6c [0]kdb> bt EBP EIP Function(args) 0xf6eeddb4 0xc013077b kunmap_high+0x6f kernel .text 0xc0100000 0xc013070c 0xc01307a0 0xf6eedde8 0xf882041f [pagebuf]__pagebuf_do_delwri+0x1cb (0xf6f3e0a0, 0x0, 0x0, 0x10000, 0x4010e000) pagebuf .text 0xf881c060 0xf8820254 0xf88204cc 0xf6eede64 0xf88205f2 [pagebuf]_pagebuf_file_write+0x126 (0xf6f619e0, 0x4010e000, 0x10000, 0xf6eedecc, 0x2) pagebuf .text 0xf881c060 0xf88204cc 0xf882062c 0xf6eedef0 0xf882080f [pagebuf]pagebuf_generic_file_write+0x1e3 (0xf6f619e0, 0x4010e000, 0x10000, 0xf6eedf90) pagebuf .text 0xf881c060 0xf882062c 0xf8820a48 0xf6eedf14 0xf8993572 [xfs]xfs_rdwr+0x72 (0xf6f66908, 0xf6f619e0, 0x4010e000, 0x10000, 0xf6eedf90) xfs .text 0xf8921060 0xf8993500 0xf8993580 0xf6eedf60 0xf8994338 [xfs]xfs_write+0x158 (0xf6f66908, 0xf6f619e0, 0x4010e000, 0x10000, 0xf6eedf90) xfs .text 0xf8921060 0xf89941e0 0xf89943e4 0xf6eedf98 0xf898fbb0 [xfs]linvfs_write+0xec (0xf6f619e0, 0x4010e000, 0x10000, 0xf6f61a00, 0xf6eec000) xfs .text 0xf8921060 0xf898fac4 0xf898fbdc 0xf6eedfbc 0xc01326d8 sys_write+0xa8 (0x3, 0x4010e000, 0x10000, 0x10000, 0x8049b10) kernel .text 0xc0100000 0xc0132630 0xc01326f0 0xc0109040 system_call+0x34 kernel .text 0xc0100000 0xc010900c 0xc0109044 [0]kdb> ps ... 0xf6eec000 00001187 00001178 1 000 run 0xf6eec340*fill