Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030562AbWJJWHN (ORCPT ); Tue, 10 Oct 2006 18:07:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030565AbWJJWHM (ORCPT ); Tue, 10 Oct 2006 18:07:12 -0400 Received: from e33.co.us.ibm.com ([32.97.110.151]:33261 "EHLO e33.co.us.ibm.com") by vger.kernel.org with ESMTP id S1030562AbWJJWHJ (ORCPT ); Tue, 10 Oct 2006 18:07:09 -0400 Subject: Re: BUG in filp_close() (was: Re: 2.6.19-rc1-mm1) From: Dave Kleikamp Cc: linux-kernel@vger.kernel.org, Vadim Lobanov In-Reply-To: <1160495269.9864.18.camel@kleikamp.austin.ibm.com> References: <20061010000928.9d2d519a.akpm@osdl.org> <1160495269.9864.18.camel@kleikamp.austin.ibm.com> Content-Type: text/plain Date: Tue, 10 Oct 2006 17:07:04 -0500 Message-Id: <1160518024.28923.33.camel@kleikamp.austin.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.6.2 Content-Transfer-Encoding: 7bit To: unlisted-recipients:; (no To-header on input) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5559 Lines: 120 On Tue, 2006-10-10 at 10:47 -0500, Dave Kleikamp wrote: > On Tue, 2006-10-10 at 00:09 -0700, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.19-rc1/2.6.19-rc1-mm1/ > > I'm seeing an exception in filp_close(), called from sys_dup2(). I have > only seen it when I try to start up a java application (Lotus > Workplace). > > I suspect that it may be related to the fdtable work, but I haven't > investigated it too closely. Still don't know exactly what's going on here. In case it helps, this is the call to dup2() from strace output: 1419 open("/dev/null", O_RDWR) = 7 1419 getrlimit(RLIMIT_NOFILE, {rlim_cur=1024, rlim_max=1024}) = 0 1419 dup2(7, 524) = 524 1419 dup2(7, 525 > > > +fdtable-delete-pointless-code-in-dup_fd.patch > > +fdtable-make-fdarray-and-fdsets-equal-in-size.patch > > +fdtable-remove-the-free_files-field.patch > > +fdtable-implement-new-pagesize-based-fdtable-allocator.patch > > > > Redo the fdtable code. > > BUG: unable to handle kernel paging request at virtual address 3237304a > printing eip: > c015636f > *pde = 00000000 > Oops: 0000 [#1] > PREEMPT > last sysfs file: /block/hda/hda5/stat > Modules linked in: irda crc_ccitt tun airo e1000 pcmcia yenta_socket rsrc_nonstatic pcmcia_core radeon rtc ntfs jfs > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010206 (2.6.19-rc1-mm1 #1) > EIP is at filp_close+0xc/0x5e > eax: 00000000 ebx: 32373036 ecx: cbc66000 edx: 00000000 > esi: 00000001 edi: dff0cc80 ebp: cbc67f8c esp: cbc67f80 > ds: 007b es: 007b ss: 0068 > Process java (pid: 12945, ti=cbc66000 task=ce9d6b00 task.ti=cbc66000) > Stack: 0000020c 00000001 cef765c0 cbc67fb4 c01623ed 32373036 dff0cc80 dff0cca4 > 32373036 dff0cc80 00000007 00000000 fffffff4 cbc66000 c0102e05 00000007 > 0000020c 00000000 00000000 fffffff4 bf966c14 0000003f 0000007b c03b007b > Call Trace: > [] sys_dup2+0xdb/0x10f > [] sysenter_past_esp+0x56/0x79 > DWARF2 unwinder stuck at sysenter_past_esp+0x56/0x79 > Leftover inexact backtrace: > ======================= > Code: 26 00 8b 43 04 8b 40 0c 0f b3 30 3b 73 4c 73 03 89 73 4c 89 f8 e8 c0 51 26 00 5b 5e 5f 5d c3 55 89 e5 57 8b 7d 0c 56 53 8b 5d 08 <8b> 43 14 85 c0 75 0f 68 a1 e8 3f c0 31 f6 e8 54 35 fc ff 59 eb > EIP: [] filp_close+0xc/0x5e SS:ESP 0068:cbc67f80 > <1>BUG: unable to handle kernel paging request at virtual address 02404e7c > printing eip: > c015636f > *pde = 00000000 > Oops: 0000 [#2] > PREEMPT > last sysfs file: /block/hda/hda5/stat > Modules linked in: irda crc_ccitt tun airo e1000 pcmcia yenta_socket rsrc_nonstatic pcmcia_core radeon rtc ntfs jfs > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00010202 (2.6.19-rc1-mm1 #1) > EIP is at filp_close+0xc/0x5e > eax: 00000000 ebx: 02404e68 ecx: cc636000 edx: 00000000 > esi: 00000001 edi: dfcfecc0 ebp: cc637f8c esp: cc637f80 > ds: 007b es: 007b ss: 0068 > Process java (pid: 13593, ti=cc636000 task=ce97f550 task.ti=cc636000) > Stack: 0000020c 00000001 cbc56b80 cc637fb4 c01623ed 02404e68 dfcfecc0 dfcfece4 > 02404e68 dfcfecc0 00000007 00000000 fffffff4 cc636000 c0102e05 00000007 > 0000020c 00000000 00000000 fffffff4 bfc5f704 0000003f 0000007b c03b007b > Call Trace: > [] sys_dup2+0xdb/0x10f > [] sysenter_past_esp+0x56/0x79 > DWARF2 unwinder stuck at sysenter_past_esp+0x56/0x79 > Leftover inexact backtrace: > ======================= > Code: 26 00 8b 43 04 8b 40 0c 0f b3 30 3b 73 4c 73 03 89 73 4c 89 f8 e8 c0 51 26 00 5b 5e 5f 5d c3 55 89 e5 57 8b 7d 0c 56 53 8b 5d 08 <8b> 43 14 85 c0 75 0f 68 a1 e8 3f c0 31 f6 e8 54 35 fc ff 59 eb > EIP: [] filp_close+0xc/0x5e SS:ESP 0068:cc637f80 > <1>BUG: unable to handle kernel NULL pointer dereference at virtual address 00000127 > printing eip: > c01874ca > *pde = 00000000 > Oops: 0000 [#3] > PREEMPT > last sysfs file: /block/hda/hda5/stat > Modules linked in: irda crc_ccitt tun airo e1000 pcmcia yenta_socket rsrc_nonstatic pcmcia_core radeon rtc ntfs jfs > CPU: 0 > EIP: 0060:[] Not tainted VLI > EFLAGS: 00210246 (2.6.19-rc1-mm1 #1) > EIP is at dnotify_flush+0xf/0x73 > eax: c8892c4b ebx: b7f96e4a ecx: cab2c000 edx: b7f96e4a > esi: 000000ff edi: c148a280 ebp: cab2df70 esp: cab2df64 > ds: 007b es: 007b ss: 0068 > Process java (pid: 13942, ti=cab2c000 task=d572d4d0 task.ti=cab2c000) > Stack: b7f96e4a 00000000 c148a280 cab2df8c c01563a6 b7f96e4a c148a280 0000020c > 00000001 cef5dec0 cab2dfb4 c01623ed b7f96e4a c148a280 c148a2a4 b7f96e4a > c148a280 00000007 00000000 fffffff4 cab2c000 c0102e05 00000007 0000020c > Call Trace: > [] filp_close+0x43/0x5e > [] sys_dup2+0xdb/0x10f > [] sysenter_past_esp+0x56/0x79 > DWARF2 unwinder stuck at sysenter_past_esp+0x56/0x79 > Leftover inexact backtrace: > ======================= > Code: ff ff 53 e8 d3 00 fe ff 83 c4 0c eb 07 89 f0 e8 6b 40 23 00 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 8b 55 08 57 56 53 8b 42 08 8b 70 30 <0f> b7 46 28 25 00 f0 00 00 3d 00 40 00 00 75 4c 8d 7e 70 89 f8 > EIP: [] dnotify_flush+0xf/0x73 SS:ESP 0068:cab2df64 > > -- David Kleikamp IBM Linux Technology Center - 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/