From owner-freebsd-bugs@FreeBSD.ORG Wed Aug 9 08:40:15 2006 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org 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 4C2AD16A4DE for ; Wed, 9 Aug 2006 08:40:15 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 780C743D55 for ; Wed, 9 Aug 2006 08:40:14 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id k798eEOf088333 for ; Wed, 9 Aug 2006 08:40:14 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.4/8.13.4/Submit) id k798eEvq088332; Wed, 9 Aug 2006 08:40:14 GMT (envelope-from gnats) Resent-Date: Wed, 9 Aug 2006 08:40:14 GMT Resent-Message-Id: <200608090840.k798eEvq088332@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, Andrej Zverev Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CAF9A16A4E0 for ; Wed, 9 Aug 2006 08:39:46 +0000 (UTC) (envelope-from andrey.zverev@electro-com.ru) Received: from mail.electro-com.ru (mail.electro-com.ru [86.110.161.242]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5B8A143D5C for ; Wed, 9 Aug 2006 08:39:46 +0000 (GMT) (envelope-from andrey.zverev@electro-com.ru) Received: from az by mail.electro-com.ru with local (Exim 4.63 (FreeBSD)) (envelope-from ) id 1GAjbM-0002N7-CV for FreeBSD-gnats-submit@freebsd.org; Wed, 09 Aug 2006 12:39:44 +0400 Message-Id: Date: Wed, 09 Aug 2006 12:39:44 +0400 From: Andrej Zverev Sender: Andrej Zverev To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/101689: [panic] kmem_malloc in UMA X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Andrej Zverev List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 09 Aug 2006 08:40:15 -0000 >Number: 101689 >Category: kern >Synopsis: [panic] kmem_malloc in UMA >Confidential: no >Severity: serious >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Wed Aug 09 08:40:13 GMT 2006 >Closed-Date: >Last-Modified: >Originator: Andrej Zverev >Release: >Organization: >Environment: >Description: I'm trying to create > 20000 vlan interfaces. #!/usr/bin/perl for ($i=0; $i<20000; $i++) { system ("ifconfig vlan$i create"); system ("ifconfig vlan$i vlan 10 vlandev rl0 10.10.10.10/24"); } and then system out of memory, panic happens, but it's not right. Trace of panic attached, if i can provide extra detail, just ask >How-To-Repeat: >Fix: --- trace.txt begins here --- GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd". Unread portion of the kernel message buffer: panic: kmem_malloc(4096): kmem_map too small: 83427328 total allocated Uptime: 16m43s Dumping 255 MB (2 chunks) chunk 0: 1MB (160 pages) ... ok chunk 1: 255MB (65264 pages) 239 223 207 191 175 159 143 127 111 95 79 63 47 31 15 #0 doadump () at pcpu.h:165 165 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) (kgdb) f 1 #1 0xc064dee1 in boot (howto=260) at ../../../kern/kern_shutdown.c:402 402 doadump(); (kgdb) f 2 #2 0xc064e178 in panic ( fmt=0xc08bb065 "kmem_malloc(%ld): kmem_map too small: %ld total allocated") at ../../../kern/kern_shutdown.c:558 558 boot(bootopt); (kgdb) f 3 #3 0xc07bc41d in kmem_malloc (map=0xc14430c0, size=4096, flags=2) at ../../../vm/vm_kern.c:299 299 panic("kmem_malloc(%ld): kmem_map too small: %ld total allocated", (kgdb) f 4 #4 0xc07b3cea in page_alloc (zone=0xc144d780, bytes=4096, pflag=0x0, wait=2) at ../../../vm/uma_core.c:958 958 p = (void *) kmem_malloc(kmem_map, bytes, wait); (kgdb) f 5 #5 0xc07b3821 in slab_zalloc (zone=0xc144d780, wait=2) at ../../../vm/uma_core.c:823 823 mem = keg->uk_allocf(zone, keg->uk_ppera * UMA_SLAB_SIZE, (kgdb) f 6 #6 0xc07b4fc0 in uma_zone_slab (zone=0xc144d780, flags=2) at ../../../vm/uma_core.c:2025 2025 slab = slab_zalloc(zone, flags); (kgdb) f 7 #7 0xc07b51dc in uma_zalloc_bucket (zone=0xc144d780, flags=2) at ../../../vm/uma_core.c:2134 2134 flags |= M_NOWAIT; (kgdb) f 8 #8 0xc07b4e51 in uma_zalloc_arg (zone=0xc144d780, udata=0x0, flags=2) at ../../../vm/uma_core.c:1942 1942 if (uma_zalloc_bucket(zone, flags)) { (kgdb) f 9 #9 0xc06437d2 in malloc (size=32, mtp=0xc091c280, flags=2) at uma.h:275 275 return uma_zalloc_arg(zone, NULL, flags); (kgdb) f 10 #10 0xc066fb4a in ioctl (td=0xc27c9600, uap=0xd0e40d04) at ../../../kern/sys_generic.c:580 580 memp = malloc((u_long)size, M_IOCTLOPS, M_WAITOK); (kgdb) f 11 #11 0xc084211b in syscall (frame= {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = 134581856, tf_esi = -1077940715, tf_ebp = -1077943160, tf_isp = -790360732, tf_ebx = 3, tf_edx = 9, tf_ecx = 7, tf_eax = 54, tf_trapno = 12, tf_err = 2, tf_eip = 672405375, tf_cs = 51, tf_eflags = 642, tf_esp = -1077943188, tf_ss = 59}) at ../../../i386/i386/trap.c:979 979 PTRACESTOP_SC(p, td, S_PT_SCE); (kgdb) f 12 #12 0xc0830d5f in Xint0x80_syscall () at ../../../i386/i386/exception.s:194 194 movl $KDSEL,%eax /* switch to kernel segments */ Current language: auto; currently asm (kgdb) f 13 #13 0x00000033 in ?? () (kgdb) quit --- trace.txt ends here --- >Release-Note: >Audit-Trail: >Unformatted: