From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964943AbWARA1A (ORCPT ); Tue, 17 Jan 2006 19:27:00 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964958AbWARA07 (ORCPT ); Tue, 17 Jan 2006 19:26:59 -0500 Received: from mx.laposte.net ([81.255.54.11]:64752 "EHLO mx.laposte.net") by vger.kernel.org with ESMTP id S964943AbWARA05 convert rfc822-to-8bit (ORCPT ); Tue, 17 Jan 2006 19:26:57 -0500 Date: Wed, 18 Jan 2006 01:26:50 +0100 Message-Id: Subject: 2.6.15: no more interrupt load balancing MIME-Version: 1.0 X-Sensitivity: 3 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT From: "emmanuel\.fuste" To: "linux-kernel" X-XaM3-API-Version: 4.1 (B103) X-SenderIP: 127.0.0.1 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, 2.6.13 was Nok, 2.6.14 was Ok, 2.6.15 Nok : efuste@rafale:~$ cat /proc/interrupts CPU0 CPU1 0: 1046433 211 IO-APIC-edge timer 1: 2778 9 IO-APIC-edge i8042 2: 0 0 XT-PIC cascade 3: 17 0 IO-APIC-edge serial 5: 0 0 IO-APIC-edge SoundBlaster 7: 1 2 IO-APIC-edge parport0 8: 4 0 IO-APIC-edge rtc 12: 116647 3 IO-APIC-edge i8042 17: 170055 0 IO-APIC-level eth0 19: 216141 1 IO-APIC-level aic7xxx, uhci_hcd:usb1 NMI: 0 0 LOC: 1046486 1046485 ERR: 0 MIS: 0 boot log: Linux version 2.6.15 (Version: manu.1) (root@excalibur) (gcc version 4.0.3 20060104 (prerelease) (Debian 4.0.2-6)) #3 SMP Thu Jan 12 15:22:26 CET 2006 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 0000000020000000 (usable) BIOS-e820: 00000000fec00000 - 00000000fec01000 (reserved) BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) 512MB LOWMEM available. found SMP MP-table at 000f6960 On node 0 totalpages: 131072 DMA zone: 4096 pages, LIFO batch:0 DMA32 zone: 0 pages, LIFO batch:0 Normal zone: 126976 pages, LIFO batch:31 HighMem zone: 0 pages, LIFO batch:0 DMI 2.0 present. Intel MultiProcessor Specification v1.4 Virtual Wire compatibility mode. OEM ID: OEM00000 Product ID: PROD00000000 APIC at: 0xFEE00000 Processor #0 5:4 APIC version 16 Processor #1 5:4 APIC version 16 I/O APIC #2 Version 17 at 0xFEC00000. Enabling APIC mode: Flat. Using 1 I/O APICs Processors: 2 Allocating PCI resources starting at 30000000 (gap: 20000000:dec00000) Built 1 zonelists Kernel command line: auto BOOT_IMAGE=Linux ro root=802 mapped APIC to ffffd000 (fee00000) mapped IOAPIC to ffffc000 (fec00000) Initializing CPU#0 CPU 0 irqstacks, hard=c02f0000 soft=c02ee000 PID hash table entries: 4096 (order: 12, 65536 bytes) Detected 232.699 MHz processor. Using tsc for high-res timesource Console: colour VGA+ 80x25 Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 515484k/524288k available (1312k kernel code, 8304k reserved, 475k data, 160k init, 0k highmem) Checking if this processor honours the WP bit even in supervisor mode... Ok. Calibrating delay using timer specific routine.. 466.34 BogoMIPS (lpj=932696) Security Framework v1.0.0 initialized SELinux: Disabled at boot. Capability LSM initialized Mount-cache hash table entries: 512 CPU: After generic identify, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 CPU: After vendor identify, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 Intel Pentium with F0 0F bug - workaround enabled. CPU: After all inits, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 mtrr: v2.0 (20020519) Checking 'hlt' instruction... OK. CPU0: Intel Pentium MMX stepping 03 Booting processor 1/1 eip 2000 CPU 1 irqstacks, hard=c02f1000 soft=c02ef000 Initializing CPU#1 Calibrating delay using timer specific routine.. 465.40 BogoMIPS (lpj=930806) CPU: After generic identify, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 CPU: After vendor identify, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 CPU: After all inits, caps: 008003bf 00000000 00000000 00000000 00000000 00000000 00000000 CPU1: Intel Pentium MMX stepping 03 Total of 2 processors activated (931.75 BogoMIPS). ExtINT not setup in hardware but reported by MP table ENABLING IO-APIC IRQs ..TIMER: vector=0x31 apic1=0 pin1=2 apic2=0 pin2=0 checking TSC synchronization across 2 CPUs: passed. Brought up 2 CPUs checking if image is initramfs... it is Freeing initrd memory: 1121k freed NET: Registered protocol family 16 PCI: PCI BIOS revision 2.10 entry at 0xf0440, last bus=0 PCI: Using configuration type 1 Linux Plug and Play Support v0.97 (c) Adam Belay PnPBIOS: Scanning system for PnP BIOS support... PnPBIOS: Found PnP BIOS installation structure at 0xc00fcec0 PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xcef0, dseg 0xf0000 PnPBIOS: 14 nodes reported by PnP BIOS; 14 recorded by driver PCI: Probing PCI hardware PCI: Probing PCI hardware (bus 00) Boot video device is 0000:00:0a.0 PCI: Using IRQ router PIIX/ICH [8086/7000] at 0000:00:01.0 PCI->APIC IRQ transform: 0000:00:01.2[D] -> IRQ 19 PCI->APIC IRQ transform: 0000:00:0a.0[A] -> IRQ 18 PCI->APIC IRQ transform: 0000:00:0b.0[A] -> IRQ 17 PCI->APIC IRQ transform: 0000:00:0c.0[A] -> IRQ 16 PCI->APIC IRQ transform: 0000:00:0d.0[A] -> IRQ 19 audit: initializing netlink socket (disabled) audit(1137539311.901:1): initialized VFS: Disk quotas dquot_6.5.1 Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) Initializing Cryptographic API io scheduler noop registered io scheduler anticipatory registered io scheduler deadline registered io scheduler cfq registered PIIX3: Enabling ISA and USB passive release and delayed transaction. PIIX3: Enabling north bridge retry enable bit. 82439HX: Enabling north bridge delayed transaction. Good PIIX3 revision: ISA DMA hang workarounds not need. isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found PNP: PS/2 Controller [PNP0303,PNP0f13] at 0x60,0x64 irq 1,12 serio: i8042 AUX port at 0x60,0x64 irq 12 serio: i8042 KBD port at 0x60,0x64 irq 1 Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A 00:02: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A 00:03: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize NET: Registered protocol family 2 input: AT Translated Set 2 keyboard as /class/input/input0 IP route cache hash table entries: 32768 (order: 5, 131072 bytes) TCP established hash table entries: 131072 (order: 8, 1048576 bytes) TCP bind hash table entries: 65536 (order: 7, 524288 bytes) TCP: Hash tables configured (established 131072 bind 65536) TCP reno registered TCP bic registered NET: Registered protocol family 1 NET: Registered protocol family 17 NET: Registered protocol family 8 NET: Registered protocol family 20 Starting balanced_irq Using IPI Shortcut mode Freeing unused kernel memory: 160k freed mice: PS/2 mouse device common for all mice SCSI subsystem initialized scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 7.0 aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs Vendor: IBM Model: DMVS18V Rev: 02B0 Type: Direct-Access ANSI SCSI revision: 03 scsi0:A:0:0: Tagged Queuing enabled. Depth 8 target0:0:0: Beginning Domain Validation target0:0:0: wide asynchronous. target0:0:0: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 31) target0:0:0: Domain Validation skipping write tests target0:0:0: Ending Domain Validation Vendor: YAMAHA Model: CRW6416S Rev: 1.0d Type: CD-ROM ANSI SCSI revision: 02 target0:0:3: Beginning Domain Validation target0:0:3: FAST-10 SCSI 10.0 MB/s ST (100 ns, offset 15) target0:0:3: Domain Validation skipping write tests target0:0:3: Ending Domain Validation Vendor: TOSHIBA Model: CD-ROM XM-3501TA Rev: 1875 Type: CD-ROM ANSI SCSI revision: 02 target0:0:4: Beginning Domain Validation target0:0:4: Domain Validation skipping write tests target0:0:4: Ending Domain Validation SCSI device sda: 35843670 512-byte hdwr sectors (18352 MB) SCSI device sda: drive cache: write back SCSI device sda: 35843670 512-byte hdwr sectors (18352 MB) SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sda4 sd 0:0:0:0: Attached scsi disk sda kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. usbcore: registered new driver usbfs usbcore: registered new driver hub pcnet32.c:v1.31c 01.Nov.2005 tsbogend@alpha.franken.de PCI: Setting latency timer of device 0000:00:0b.0 to 64 pcnet32: PCnet/PCI 79C970 at 0xe000, 10 00 5a 5b 55 97 assigned IRQ 17. eth0: registered as PCnet/PCI 79C970 pcnet32: 1 cards_found. USB Universal Host Controller Interface driver v2.3 uhci_hcd 0000:00:01.2: UHCI Host Controller uhci_hcd 0000:00:01.2: new USB bus registered, assigned bus number 1 uhci_hcd 0000:00:01.2: irq 19, io base 0x0000e400 hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx PIIX3: IDE controller at PCI slot 0000:00:01.1 PIIX3: chipset revision 0 PIIX3: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xe800-0xe807, BIOS settings: hda:pio, hdb:pio ide1: BM-DMA at 0xe808-0xe80f, BIOS settings: hdc:pio, hdd:pio Probing IDE interface ide0... Probing IDE interface ide1... Floppy drive(s): fd0 is 2.88M AMI BIOS, fd1 is 1.44M input: PC Speaker as /class/input/input1 Real Time Clock Driver v1.12 parport: PnPBIOS parport detected. parport0: PC-style at 0x378 (0x778), irq 7, dma 3 [PCSPP,TRISTATE,COMPAT,EPP,ECP,DMA] FDC 0 is a post-1991 82077 input: ImExPS/2 Generic Explorer Mouse as /class/input/input2 sr0: scsi3-mmc drive: 6x/6x writer cd/rw xa/form2 cdda tray Uniform CD-ROM driver Revision: 3.20 sr 0:0:3:0: Attached scsi CD-ROM sr0 sr1: scsi-1 drive sr 0:0:4:0: Attached scsi CD-ROM sr1 sd 0:0:0:0: Attached scsi generic sg0 type 0 sr 0:0:3:0: Attached scsi generic sg1 type 5 sr 0:0:4:0: Attached scsi generic sg2 type 5 EXT3 FS on sda2, internal journal RocketPort device driver module, version 2.09, 12-June-2003 RocketPort ISA card #0 found at 0x180 - 1 AIOPs Installing RocketPort ISA, creating /dev/ttyR0 - 7 CSLIP: code copyright 1989 Regents of the University of California PPP generic driver version 2.4.2 NET: Registered protocol family 24 Probing IDE interface ide0... Probing IDE interface ide1... irda_init() NET: Registered protocol family 23 IrCOMM protocol (Dag Brattli) device-mapper: 4.4.0-ioctl (2005-01-12) initialised: dm-devel@redhat.com kjournald starting. Commit interval 5 seconds EXT3 FS on sda3, internal journal EXT3-fs: mounted filesystem with writeback data mode. Adding 522072k swap on /dev/sda1. Priority:-1 extents:1 across:522072k NET: Registered protocol family 15 NET: Registered protocol family 10 lo: Disabled Privacy Extensions IPv6 over IPv4 tunneling driver lp0: using parport0 (interrupt-driven). eth0: no IPv6 routers present cdrom: This disc doesn't have any tracks I recognize! sirdev_get_instance - ttyS1 irtty_open - ttyS1: irda line discipline opened irda_register_dongle : registering dongle "Tekram IR-210B" (0). irlap_change_speed(), setting speed to 9600 pktcdvd: v0.2.0a 2004-07-14 Jens Axboe (axboe@suse.de) and petero2@telia.com cdrom: This disc doesn't have any tracks I recognize! pktcdvd: writer pktcdvd0 mapped to sr0 pktcdvd: pkt_get_last_written failed ircomm_tty_attach_cable() ircomm_tty_ias_register() Linux agpgart interface v0.101 (c) Dave Jones [drm] Initialized drm 1.0.0 20040925 [drm:drm_fill_in_dev] *ERROR* Cannot initialize the agpgart module. DRM: Fill_in_dev failed. Thanks, Emmanuel. 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