Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Mon, 21 Oct 2002 17:36:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Mon, 21 Oct 2002 17:36:04 -0400 Received: from e2.ny.us.ibm.com ([32.97.182.102]:59076 "EHLO e2.ny.us.ibm.com") by vger.kernel.org with ESMTP id ; Mon, 21 Oct 2002 17:36:01 -0400 Subject: Re: 2.5.44-mm2 From: Paul Larson To: Andrew Morton Cc: lkml , linux-mm In-Reply-To: <3DB3B858.C7CD5DA1@digeo.com> References: <3DB3B858.C7CD5DA1@digeo.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit X-Mailer: Ximian Evolution 1.0.5 Date: 21 Oct 2002 16:33:36 -0500 Message-Id: <1035236017.998.490.camel@plars> Mime-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3688 Lines: 93 This test was on a 8-way PIII-700, 16 GB ram. # echo 768 > /proc/sys/vm/nr_hugepages # echo 1610612736 > /proc/sys/kernel/shmmax # ./shmt01 ./shmt01: IPC Shared Memory TestSuite program Get shared memory segment (67108864 bytes) Attach shared memory segment to process Index through shared memory segment ... Release shared memory successful! Segmentation fault ...and on the console: mm/memory.c:1041: bad pmd f633f100(000000000c4000e7). mmemmmo/rmye.moc:ry1.0c4:1:10 b41ad: pbmadd pfm63d3 ff160338(f100100(000000000000080000000ae070).0e ). 7 mm/memory.c:1041: bad pmd f633f118(0000000000c000e7). mm/memory.c:1041: bad pmd f633f120(0000000000e000e7). mm/memory.c:1041: bad pmd f633f128(00000000006000e7). mm/memory.c:1041: bad pmd f633f130(000000000c6000e7). mm/memory.c:1041: bad pmd f633f138(000000000c8000e7). mm/memory.c:1041: bad pmd f633f140(000000000ca000e7). mm/memory.c:1041: bad pmd f633f148(000000000cc000e7). mm/memory.c:1041: bad pmd f633f150(000000000ce000e7). mm/memory.c:1041: bad pmd f633f158(000000000d0000e7). mm/memory.c:1041: bad pmd f633f160(000000000d2000e7). mm/memory.c:1041: bad pmd f633f168(000000000d4000e7). mm/memory.c:1041: bad pmd f633f170(000000000d6000e7). mm/memory.c:1041: bad pmd f633f178(000000000d8000e7). mm/memory.c:1041: bad pmd f633f180(000000000da000e7). mm/memory.c:1041: bad pmd f633f188(000000000dc000e7). mm/memory.c:1041: bad pmd f633f190(000000000de000e7). mm/memory.c:1041: bad pmd f633f198(000000000e0000e7). mm/memory.c:1041: bad pmd f633f1a0(000000000e2000e7). mm/memory.c:1041: bad pmd f633f1a8(000000000e4000e7). mm/memory.c:1041: bad pmd f633f1b0(000000000e6000e7). mm/memory.c:1041: bad pmd f633f1b8(000000000e8000e7). mm/memory.c:1041: bad pmd f633f1c0(000000000ea000e7). mm/memory.c:1041: bad pmd f633f1c8(000000000ec000e7). mm/memory.c:1041: bad pmd f633f1d0(000000000ee000e7). mm/memory.c:1041: bad pmd f633f1d8(000000000f0000e7). mm/memory.c:1041: bad pmd f633f1e0(000000000f2000e7). mm/memory.c:1041: bad pmd f633f1e8(000000000f4000e7). mm/memory.c:1041: bad pmd f633f1f0(000000000f6000e7). mm/memory.c:1041: bad pmd f633f1f8(000000000f8000e7). ------------[ cut here ]------------ kernel BUG at arch/i386/mm/hugetlbpage.c:232! invalid operand: 0000 CPU: 0 EIP: 0060:[] Not tainted EFLAGS: 00010246 EIP is at huge_page_release+0xb/0x30 eax: 00000000 ebx: f633f100 ecx: f7cab4a0 edx: c1000000 esi: 04000000 edi: 0c000000 ebp: f7cc9a24 esp: f64e1f08 ds: 0068 es: 0068 ss: 0068 Process shmt01 (pid: 1888, threadinfo=f64e0000 task=f6da2660) Stack: c011493b c1000000 f7cc9a24 04000000 c012bf1e c047f094 00000000 c047f080 f7cc9a24 f6aab130 f6da2660 00000000 c01149a4 f6f6fbb4 04000000 0c000000 f6f6fbb4 c01149c2 f6f6fbb4 04000000 08000000 c012efd3 f6f6fbb4 f7cc9a24 Call Trace: [] unmap_hugepage_range+0x6b/0xb0 [] unmap_all_pages+0x31e/0x330 [] zap_hugepage_range+0x24/0x30 [] zap_hugetlb_resources+0x12/0x20 [] exit_mmap+0x93/0xc0 [] mmput+0x37/0x60 [] do_exit+0xd8/0x2e0 [] do_munmap+0xea/0x100 [] sys_munmap+0x44/0x70 [] syscall_call+0x7/0xb Code: 0f 0b e8 00 28 08 30 c0 f0 ff 4a 04 0f 94 c0 84 c0 74 09 89 The shmt01 is a modified LTP shm test and has been posted a few times before. If anyone wants to see it again let me know and I'll repost. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/