From owner-freebsd-stable@FreeBSD.ORG Wed Aug 5 16:32:32 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8DD28106564A for ; Wed, 5 Aug 2009 16:32:32 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from mail-fx0-f224.google.com (mail-fx0-f224.google.com [209.85.220.224]) by mx1.freebsd.org (Postfix) with ESMTP id 2192B8FC18 for ; Wed, 5 Aug 2009 16:32:31 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: by fxm24 with SMTP id 24so218398fxm.36 for ; Wed, 05 Aug 2009 09:32:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=YMtJ3VxqmBpKUCDRNN3WjEsMsEm04sGXQJiaT4hn6nM=; b=mCEuFR+P2mP7NkSLc5IZ0gR2Z7JyOofaiZBWjLNoFqysVT+NFNvr65sMA1Q7KHAV0h Y3MS6Nnh+yjxzqC8bjVI3TEYYj6EeVuBgrNOCViqzmQpCjk05ofeiAaFqyE42kT0V2y7 2f4nCteGTg5wrOLZn06dfAiR/QdI0fWb8YcT0= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=i0sS+eNY86bRt7lckbGJoemPGOynUMy/TJONrtFHU8Ybt00rZvrNOmxHUk/8OZNH6c 1RU2ZJnXKuvhE0zAFhO+u0E2/gT+LQlgu4qw7Of8owvK4LEI2Yin/cssFlBUGJzHjXpg 3x8I/bXgiERtw8sx2s8vgrM+K1J/7m+Q9lf88= MIME-Version: 1.0 Received: by 10.204.113.12 with SMTP id y12mr1021325bkp.214.1249489951058; Wed, 05 Aug 2009 09:32:31 -0700 (PDT) In-Reply-To: <20090805155539.GN1884@deviant.kiev.zoral.com.ua> References: <20090805155539.GN1884@deviant.kiev.zoral.com.ua> Date: Wed, 5 Aug 2009 20:32:31 +0400 Message-ID: From: pluknet To: Kostik Belousov Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-stable Subject: Re: softdep_setup_freeblocks: kmem_malloc(4096): kmem_map too small X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Aug 2009 16:32:32 -0000 2009/8/5 Kostik Belousov : > On Wed, Aug 05, 2009 at 09:38:13AM +0400, pluknet wrote: >> Hi. >> >> We have a problem with user running with exceed quota: >> >> Disk quotas for user eviluser (uid 9181): >> Filesystem usage quota limit grace files quota limit grace >> /home 6172656 6172672 6172672 14723 0 0 >> >> Some types of ufs operations running under him lead to kernel >> panic due to out of kernel memory (tested on 6.2-R, and 6.4-R): >> >> db> x/s *panicstr >> buf.1: kmem_malloc(4096): kmem_map too small: 335544320 total allocated >> >> Upping the higher level of vm.kmem_size_max doesn't help much, >> postponing that panic little farther. >> >> db> bt >> Tracing pid 7242 tid 100772 td 0xca7a57d0 >> kdb_enter(c0924e28) at kdb_enter+0x2b >> panic(c093a575,1000,14000000,c17f7818,0,...) at panic+0x127 >> kmem_malloc(c10680c0,1000,402,ef34e7bc,c07fb86d,...) at kmem_malloc+0x7d >> page_alloc(c10613c0,1000,ef34e7af,402,0,...) at page_alloc+0x1a >> slab_zalloc(c10613c0,402,c1061480,c10613c0,da68220c,...) at slab_zalloc+0xdd >> uma_zone_slab(c10613c0,502) at uma_zone_slab+0xe8 >> uma_zalloc_bucket(c10613c0,502) at uma_zalloc_bucket+0x15c >> uma_zalloc_arg(c10613c0,0,502) at uma_zalloc_arg+0x292 >> malloc(b8,c09d4ba0,502,0,0,...) at malloc+0x46 >> softdep_setup_freeblocks(cc8fb18c,0,0,800,cc8fb18c,ffffffe0,ffffffff,0,0) at sof >> tdep_setup_freeblocks+0x48 >> ffs_truncate(c89e3990,0,0,800,c94f4300,...) at ffs_truncate+0x5cb >> ffs_write(ef34ebec) at ffs_write+0x603 >> VOP_WRITE_APV(c09d5960,ef34ebec) at VOP_WRITE_APV+0xce >> vn_write(caba7000,ef34ecbc,c94f4300,0,ca7a57d0) at vn_write+0x1ee >> dofilewrite(ca7a57d0,7,caba7000,ef34ecbc,ffffffff,...) at dofilewrite+0x77 >> kern_writev(ca7a57d0,7,ef34ecbc,7e99c3c,42f6e8,...) at kern_writev+0x3b >> write(ca7a57d0,ef34ed04) at write+0x45 >> syscall(3b,82b003b,bfbf003b,8851,82bb000,...) at syscall+0x2bf >> Xint0x80_syscall() at Xint0x80_syscall+0x1f >> --- syscall (4, FreeBSD ELF32, write), eip = 0x281ae32f, esp = 0xbfbfbbdc, ebp = >> 0xbfbfbbf8 --- > > I have a high confidence that this issue should be fixed by r170991 and > by minor followup in r183067. > > r170991 was MFC'ed before 6.4, and r183067 wasn't MFC'ed to RELENG_6.. I'll try and report later. Thanks. -- wbr, pluknet