Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261428AbVARVkC (ORCPT ); Tue, 18 Jan 2005 16:40:02 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261432AbVARVkC (ORCPT ); Tue, 18 Jan 2005 16:40:02 -0500 Received: from hal-5.inet.it ([213.92.5.24]:506 "EHLO hal-5.inet.it") by vger.kernel.org with ESMTP id S261428AbVARVjm (ORCPT ); Tue, 18 Jan 2005 16:39:42 -0500 From: Fabio Coatti Organization: FerraraLUG To: lkml Subject: 2.6.11-rc1-mm1 (and others): heavy disk I/O -> poor performance Date: Tue, 18 Jan 2005 22:39:35 +0100 User-Agent: KMail/1.7.91 MIME-Version: 1.0 Content-Disposition: inline Content-Type: Multipart/Mixed; boundary="Boundary-00=_XIY7B/w5U7OW8PA" Message-Id: <200501182239.35992.cova@ferrara.linux.it> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 21985 Lines: 374 --Boundary-00=_XIY7B/w5U7OW8PA Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Content-Disposition: inline Under heavy disk I/O, the system becomes very unresponsive (i.e. even a drop down menu takes several seconds to open). I've noticed this under 2.6.11-rc1-mm1 and 2.6.10-mm2, but I can try whatever version is suggested. The way to reproduce this is quite simple: I'm using gentoo, when emerge --sync rebuilds cache the systems slows like a crawl; the same behaviour can be seen during a updatedb operation. with top, bdflush is often stuck in "D" state, as well the I/O bound process (say, emerge or updatedb). vmstat under load is the following, and config.gz attached. Of course I can provide any other needed detail; many thanks for any hint. cova@kefk ~ $ vmstat 1 procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 1 0 628 5252 499696 217712 0 0 19 14 80 60 3 1 95 1 0 1 628 25764 498764 205384 0 0 444 1252 2121 943 7 6 48 39 0 1 628 24412 498812 206628 0 0 596 948 2032 1634 11 5 58 27 0 1 628 23584 498816 207372 0 0 380 2604 2045 1408 6 5 70 18 0 1 628 23360 498816 207576 0 0 56 1528 1982 559 3 2 50 45 0 1 628 22292 498820 208592 0 0 496 980 2092 1120 11 5 51 33 0 1 628 20372 498856 210120 0 0 772 1504 2293 1621 21 9 49 21 0 1 628 18964 498912 211356 0 0 620 1432 2170 1615 13 7 53 28 0 1 628 18340 498920 211892 0 0 292 2924 2137 883 5 4 57 34 0 0 628 17636 498956 212536 0 0 264 712 2018 954 5 3 65 28 0 1 628 17316 498968 212796 0 0 148 1096 1983 607 2 3 51 44 0 1 628 16356 499032 213548 0 0 416 952 2061 1417 7 3 58 32 0 0 628 15708 499060 214132 0 0 256 1912 1993 1409 4 4 53 38 1 0 628 14804 499068 214736 0 0 352 2644 2136 1475 7 4 72 16 0 1 628 14548 499076 215136 0 0 196 1676 2046 526 4 2 49 45 0 1 628 13972 499104 215856 0 0 384 816 2062 1033 9 4 51 37 0 1 628 12916 499172 216808 0 0 504 1056 2135 1311 14 5 51 30 0 1 628 12020 499236 217560 0 0 448 1044 2111 1280 17 5 51 27 0 0 628 11380 499268 218072 0 0 256 2048 2039 838 10 4 62 24 1 0 628 11060 499288 218392 0 0 156 2436 2043 832 7 4 83 5 0 1 628 10612 499328 218692 0 0 124 2180 1899 442 5 2 50 44 1 0 628 10292 499336 218888 0 0 104 368 1883 599 2 2 50 47 0 1 628 8292 499384 220540 0 0 788 1536 2283 1524 18 8 49 27 0 0 628 7652 499388 221080 0 0 276 2044 2039 796 5 4 69 22 0 1 628 6948 499392 221688 0 0 288 2352 2086 783 6 4 52 38 1 0 628 6308 499396 222228 0 0 256 356 2008 797 7 3 50 41 1 0 628 5024 499404 223104 0 0 476 1012 2092 983 13 5 49 32 0 1 628 9848 498300 223936 0 0 420 1096 2075 1243 8 4 53 34 0 1 628 9344 498312 224400 0 0 236 3744 2097 1181 5 4 73 19 To be honest I can't say when this started, I've installed gentoo and seen emerge --sync load only with 2.6.10-mm2 system: P4 IV 2.8/1Gb ram/i875p MB (abit IC7-g) ide: hda: MAXTOR 6L060J3 hdc: TEAC DV-W58G scsi/Sata: PLEXTOR CD-ROM PX-40TS 1.01 YAMAHA CRW6416S 1.0c ATA Maxtor 6Y160M0 YAR5 lspci -v: kefk ide # lspci -v 0000:00:00.0 Host bridge: Intel Corp. 82875P/E7210 Memory Controller Hub (rev 02) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, fast devsel, latency 0 Memory at d0000000 (32-bit, prefetchable) Capabilities: [e4] #09 [2106] Capabilities: [a0] AGP version 3.0 0000:00:01.0 PCI bridge: Intel Corp. 82875P Processor to AGP Controller (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, 66Mhz, fast devsel, latency 64 Bus: primary=00, secondary=01, subordinate=01, sec-latency=32 Memory behind bridge: f0000000-f1ffffff Prefetchable memory behind bridge: e8000000-efffffff 0000:00:03.0 PCI bridge: Intel Corp. 82875P/E7210 Processor to PCI to CSA Bridge (rev 02) (prog-if 00 [Normal decode]) Flags: bus master, 66Mhz, fast devsel, latency 32 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 00009000-00009fff Memory behind bridge: f2000000-f20fffff Expansion ROM at 00009000 [disabled] [size=4K] 0000:00:1d.0 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #1 (rev 02) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 193 I/O ports at bc00 [size=32] 0000:00:1d.1 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #2 (rev 02) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 201 I/O ports at b000 [size=32] 0000:00:1d.2 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI #3 (rev 02) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 169 I/O ports at b400 [size=32] 0000:00:1d.3 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB UHCI Controller #4 (rev 02) (prog-if 00 [UHCI]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 193 I/O ports at b800 [size=32] 0000:00:1d.7 USB Controller: Intel Corp. 82801EB/ER (ICH5/ICH5R) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 185 Memory at f2200000 (32-bit, non-prefetchable) Capabilities: [50] Power Management version 2 Capabilities: [58] #0a [20a0] 0000:00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev c2) (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0 Bus: primary=00, secondary=03, subordinate=03, sec-latency=32 I/O behind bridge: 0000a000-0000afff Memory behind bridge: f2100000-f21fffff 0000:00:1f.0 ISA bridge: Intel Corp. 82801EB/ER (ICH5/ICH5R) LPC Interface Bridge (rev 02) Flags: bus master, medium devsel, latency 0 0000:00:1f.1 IDE interface: Intel Corp. 82801EB/ER (ICH5/ICH5R) IDE Controller (rev 02) (prog-if 8a [Master SecP PriP]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, medium devsel, latency 0, IRQ 169 I/O ports at I/O ports at I/O ports at I/O ports at I/O ports at f000 [size=16] Memory at 40000000 (32-bit, non-prefetchable) [size=1K] 0000:00:1f.2 IDE interface: Intel Corp. 82801EB (ICH5) SATA Controller (rev 02) (prog-if 8f [Master SecP SecO PriP PriO]) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, 66Mhz, medium devsel, latency 0, IRQ 169 I/O ports at c000 I/O ports at c400 [size=4] I/O ports at c800 [size=8] I/O ports at cc00 [size=4] I/O ports at d000 [size=16] 0000:00:1f.3 SMBus: Intel Corp. 82801EB/ER (ICH5/ICH5R) SMBus Controller (rev 02) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: medium devsel, IRQ 9 I/O ports at 0500 [size=32] 0000:01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX 5200] (rev a1) (prog-if 00 [VGA]) Subsystem: Unknown device 1682:1280 Flags: bus master, 66Mhz, medium devsel, latency 248, IRQ 193 Memory at f0000000 (32-bit, non-prefetchable) Memory at e8000000 (32-bit, prefetchable) [size=128M] Capabilities: [60] Power Management version 2 Capabilities: [44] AGP version 3.0 0000:02:01.0 Ethernet controller: Intel Corp. 82547EI Gigabit Ethernet Controller (LOM) Subsystem: ABIT Computer Corp.: Unknown device 1014 Flags: bus master, 66Mhz, medium devsel, latency 0, IRQ 169 Memory at f2000000 (32-bit, non-prefetchable) I/O ports at 9000 [size=32] Capabilities: [dc] Power Management version 2 0000:03:04.0 Multimedia audio controller: Creative Labs SB Audigy (rev 04) Subsystem: Creative Labs SB Audigy 2 ZS (SB0350) Flags: bus master, medium devsel, latency 32, IRQ 209 I/O ports at a000 Capabilities: [dc] Power Management version 2 0000:03:04.1 Input device controller: Creative Labs SB Audigy MIDI/Game port (rev 04) Subsystem: Creative Labs SB Audigy MIDI/Game Port Flags: bus master, medium devsel, latency 32 I/O ports at a400 Capabilities: [dc] Power Management version 2 0000:03:04.2 FireWire (IEEE 1394): Creative Labs SB Audigy FireWire Port (rev 04) (prog-if 10 [OHCI]) Subsystem: Creative Labs SB Audigy FireWire Port Flags: bus master, medium devsel, latency 32, IRQ 5 Memory at f2104000 (32-bit, non-prefetchable) Memory at f2100000 (32-bit, non-prefetchable) [size=16K] Capabilities: [44] Power Management version 2 0000:03:06.0 SCSI storage controller: Adaptec AHA-7850 (rev 03) Subsystem: Adaptec AHA-2904/Integrated AIC-7850 Flags: bus master, medium devsel, latency 32, IRQ 177 I/O ports at a800 [disabled] Memory at f2105000 (32-bit, non-prefetchable) [size=4K] Capabilities: [dc] Power Management version 1 -- Fabio Coatti http://members.ferrara.linux.it/cova Ferrara Linux Users Group http://ferrara.linux.it GnuPG fp:9765 A5B6 6843 17BC A646 BE8C FA56 373A 5374 C703 Old SysOps never die... they simply forget their password. --Boundary-00=_XIY7B/w5U7OW8PA 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