Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 24 Dec 2000 18:54:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 24 Dec 2000 18:54:49 -0500 Received: from inje.iskon.hr ([213.191.128.16]:55566 "EHLO inje.iskon.hr") by vger.kernel.org with ESMTP id ; Sun, 24 Dec 2000 18:54:33 -0500 To: Linus Torvalds Cc: "Marco d'Itri" , Alexander Viro , linux-kernel@vger.kernel.org, riel@conectiva.com.br Subject: Re: innd mmap bug in 2.4.0-test12 In-Reply-To: Reply-To: zlatko@iskon.hr X-Face: s71Vs\G4I3mB$X2=P4h[aszUL\%"`1!YRYl[JGlC57kU-`kxADX}T/Bq)Q9.$fGh7lFNb.s i&L3xVb:q_Pr}>Eo(@kU,c:3:64cR]m@27>1tGl1):#(bs*Ip0c}N{:JGcgOXd9H'Nwm:}jLr\FZtZ pri/C@\,4lW<|jrq^<):Nk%Hp@G&F"r+n1@BoH From: Zlatko Calusic Date: 25 Dec 2000 00:23:49 +0100 In-Reply-To: Linus Torvalds's message of "Sun, 24 Dec 2000 10:10:38 -0800 (PST)" Message-ID: <87puihl7y2.fsf@atlas.iskon.hr> Lines: 54 User-Agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.2 (Peisino,Ak(B) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds writes: > On Sun, 24 Dec 2000, Linus Torvalds wrote: > > > > Marco, would you mind changing the test in reclaim_page(), somewheer > > around line mm/vmscan.c:487 that says: > Speaking of page_launder() I just stumbled upon two oopsen today on the UP build. Maybe it could give a hint to someone, I'm not that good at Oops decoding. Merry Christmas! Unable to handle kernel NULL pointer dereference at virtual address 0000000c printing eip: c012872e *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[page_launder+510/2156] EFLAGS: 00010202 eax: 00000000 ebx: c12e2ce8 ecx: c1244474 edx: 00000000 esi: c12e2d04 edi: 00000000 ebp: 00000000 esp: c15d1fb4 ds: 0018 es: 0018 ss: 0018 Process bdflush (pid: 6, stackpage=c15d1000) Stack: c15d0000 00000000 c15d023a 0008e000 00000000 00000000 00000001 00002933 00000000 c0131e5d 00000003 00000000 00010f00 c146ff88 c146ffc4 c01073fc c146ffc4 00000078 c146ffc4 Call Trace: [bdflush+141/236] [kernel_thread+40/56] Code: 8b 40 0c 8b 00 85 c0 0f 84 ba 04 00 00 83 7c 24 10 00 75 73 Unable to handle kernel NULL pointer dereference at virtual address 0000000c printing eip: c012872e *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[page_launder+510/2156] EFLAGS: 00010202 eax: 00000000 ebx: c1260eec ecx: c15d5fe0 edx: c02917f0 esi: c1260f08 edi: 00000000 ebp: 00000000 esp: c15d5f9c ds: 0018 es: 0018 ss: 0018 Process kswapd (pid: 4, stackpage=c15d5000) Stack: 00010f00 00000004 00000000 00000000 00000004 00000000 00000000 00002938 00000000 c01290fc 00000004 00000000 00010f00 c01f77f7 c15d4239 0008e000 c01291c6 00000004 00000000 c146ffb8 00000000 c01073fc 00000000 00000078 Call Trace: [do_try_to_free_pages+52/128] [tvecs+8683/64084] [kswapd+126/288] [kernel_thread+40/56] Code: 8b 40 0c 8b 00 85 c0 0f 84 ba 04 00 00 83 7c 24 10 00 75 73 -- Zlatko - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/