Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932497AbZKXJcL (ORCPT ); Tue, 24 Nov 2009 04:32:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932431AbZKXJcL (ORCPT ); Tue, 24 Nov 2009 04:32:11 -0500 Received: from metis.ext.pengutronix.de ([92.198.50.35]:35511 "EHLO metis.ext.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932429AbZKXJcH (ORCPT ); Tue, 24 Nov 2009 04:32:07 -0500 From: Juergen Beisert Organization: Pengutronix - Linux Solutions for Science and Industry To: linux-kernel@vger.kernel.org Date: Tue, 24 Nov 2009 10:32:29 +0100 User-Agent: KMail/1.9.9 Cc: Otavio Salvador References: In-Reply-To: MIME-Version: 1.0 Content-Type: Multipart/Mixed; boundary="Boundary-00=_tg6CLmSpgCbgNhQ" Message-Id: <200911241032.29820.jbe@pengutronix.de> X-SA-Exim-Connect-IP: 92.198.50.58 X-SA-Exim-Mail-From: jbe@pengutronix.de Subject: Re: Vortex86SX: only works with irqpoll X-SA-Exim-Version: 4.2.1 (built Tue, 09 Jan 2007 17:23:22 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10765 Lines: 234 --Boundary-00=_tg6CLmSpgCbgNhQ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline On Donnerstag, 19. November 2009, Otavio Salvador wrote: > I got this machine working booting it with "irqpoll" parameter however > it drops the performance a lot and I'd like to try to fix the root > problem of it. > > Without 'irqpoll' the disk and network adaptor doesn't work. What kernel revision do you are using? We are using a Vortex86DX here and it works as expected. But I do not know the differences in the SoCs of Vortex86SX and Vortex86DX (okay, SX lacks the floating point unit). Find our dmesg output attached. Maybe it could help. jbe -- Pengutronix e.K. | Juergen Beisert | Linux Solutions for Science and Industry | Phone: +49-8766-939 228 | Vertretung Sued/Muenchen, Germany | Fax: +49-5121-206917-5555 | Amtsgericht Hildesheim, HRA 2686 | http://www.pengutronix.de/ | --Boundary-00=_tg6CLmSpgCbgNhQ Content-Type: text/plain; charset="iso-8859-1"; name="Vortex86DX.dmsg" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="Vortex86DX.dmsg" Linux version 2.6.31.2 (mol@octopus) (gcc version 4.3.2 (OSELAS.Toolchain-1.99.3) ) #1 PREEMPT Wed Nov 11 23:54:42 CET 2009 KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMDs ext2fs, partition type 0x83 NSC Geode by NSCage root=/dev/sda1 console=ttyS0,115200 vga=0x312 rootwait Cyrix CyrixInsteadetup=0x3000, size=0x1c1650] Centaur CentaurHauls Transmeta GenuineTMx86 Transmeta TransmetaCPU UMC UMC UMC UMC CPU: vendor_id 'Vortex86 SoC' unknown, using generic init. CPU: Your system may be unstable. BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009fc00 (usable) BIOS-e820: 000000000009fc00 - 00000000000a0000 (reserved) BIOS-e820: 00000000000e0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 0000000008000000 (usable) BIOS-e820: 00000000ff000000 - 0000000100000000 (reserved) DMI not present or invalid. last_pfn = 0x8000 max_arch_pfn = 0x100000 init_memory_mapping: 0000000000000000-0000000008000000 128MB LOWMEM available. mapped low ram: 0 - 08000000 low ram: 0 - 08000000 node 0 low ram: 00000000 - 08000000 node 0 bootmap 00001000 - 00002000 (6 early reservations) ==> bootmem [0000000000 - 0008000000] #0 [0000000000 - 0000001000] BIOS data page ==> [0000000000 - 0000001000] #1 [0000100000 - 000048b670] TEXT DATA BSS ==> [0000100000 - 000048b670] #2 [000009fc00 - 0000100000] BIOS reserved ==> [000009fc00 - 0000100000] #3 [000048c000 - 000048e000] BRK ==> [000048c000 - 000048e000] #4 [0000007000 - 0000025000] PGTABLE ==> [0000007000 - 0000025000] #5 [0000001000 - 0000002000] BOOTMAP ==> [0000001000 - 0000002000] Zone PFN ranges: DMA 0x00000000 -> 0x00001000 Normal 0x00001000 -> 0x00008000 Movable zone start PFN for each node early_node_map[2] active PFN ranges 0: 0x00000000 -> 0x0000009f 0: 0x00000100 -> 0x00008000 Allocating PCI resources starting at 8000000 (gap: 8000000:f7000000) Built 1 zonelists in Zone order, mobility grouping on. Total pages: 32415 Kernel command line: root=/dev/sda1 console=ttyS0,115200 vga=0x312 rootwait PID hash table entries: 512 (order: 9, 2048 bytes) Dentry cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 8192 (order: 3, 32768 bytes) Initializing CPU#0 Memory: 125640k/131072k available (2483k kernel code, 4884k reserved, 825k data, 204k init, 0k highmem) virtual kernel memory layout: fixmap : 0xfffe5000 - 0xfffff000 ( 104 kB) vmalloc : 0xc8800000 - 0xfffe3000 ( 887 MB) lowmem : 0xc0000000 - 0xc8000000 ( 128 MB) .init : 0xc043c000 - 0xc046f000 ( 204 kB) .data : 0xc036ce9d - 0xc043b69c ( 825 kB) .text : 0xc0100000 - 0xc036ce9d (2483 kB) Checking if this processor honours the WP bit even in supervisor mode...Ok. Preemptible RCU implementation. NR_IRQS:16 Fast TSC calibration using PIT Detected 800.057 MHz processor. Console: colour dummy device 80x25 console [ttyS0] enabled Calibrating delay loop (skipped), value calculated using timer frequency.. 1600.11 BogoMIPS (lpj=8000570) Mount-cache hash table entries: 512 Performance Counters: CPU: Vortex86 SoC 05/02 stepping 02 Checking 'hlt' instruction... OK. NET: Registered protocol family 16 PCI: PCI BIOS revision 3.00 entry at 0xf0031, last bus=0 PCI: Using configuration type 1 for base access bio: create slab at 0 SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb PCI: Probing PCI hardware pci 0000:00:07.0: default IRQ router [17f3:6031] pci 0000:00:0a.0: BAR 0: address space collision on of device [0x0e2000-0x0e2fff] pci 0000:00:0a.0: BAR 0: can't allocate resource pci 0000:00:0a.1: BAR 0: address space collision on of device [0x0e3000-0x0e30ff] pci 0000:00:0a.1: BAR 0: can't allocate resource pci 0000:00:0b.0: BAR 0: address space collision on of device [0x0e0000-0x0e0fff] pci 0000:00:0b.0: BAR 0: can't allocate resource pci 0000:00:0b.1: BAR 0: address space collision on of device [0x0e1000-0x0e10ff] pci 0000:00:0b.1: BAR 0: can't allocate resource NET: Registered protocol family 2 IP route cache hash table entries: 1024 (order: 0, 4096 bytes) TCP established hash table entries: 4096 (order: 3, 32768 bytes) TCP bind hash table entries: 4096 (order: 2, 16384 bytes) TCP: Hash tables configured (established 4096 bind 4096) TCP reno registered NET: Registered protocol family 1 platform rtc_cmos: registered platform RTC device (no PNP device found) msgmni has been set to 245 alg: No test for stdrng (krng) io scheduler noop registered (default) vesafb: framebuffer at 0xf8000000, mapped to 0xc8880000, using 2400k, total 65472k vesafb: mode is 640x480x32, linelength=2560, pages=5 vesafb: protected mode interface info at c000:791e vesafb: pmi: set display start = c00c7958, set palette = c00c79ac vesafb: scrolling: redraw vesafb: Truecolor: size=8:8:8:8, shift=24:16:8:0 fb0: VESA VGA frame buffer device Serial: 8250/16550 driver, 8 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 serial8250: ttyS2 at I/O 0x3e8 (irq = 4) is a 16550A serial8250: ttyS3 at I/O 0x2e8 (irq = 3) is a 16550A <6>r6040: RDC R6040 NAPI net driver,version 0.24 (08Jul2009) ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci_hcd 0000:00:0a.1: EHCI Host Controller ehci_hcd 0000:00:0a.1: new USB bus registered, assigned bus number 1 ehci_hcd 0000:00:0a.1: irq 9, io mem 0x08002000 ehci_hcd 0000:00:0a.1: USB 2.0 started, EHCI 1.00 usb usb1: New USB device found, idVendor=1d6b, idProduct=0002 usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb1: Product: EHCI Host Controller usb usb1: Manufacturer: Linux 2.6.31.2 ehci_hcd usb usb1: SerialNumber: 0000:00:0a.1 usb usb1: configuration #1 chosen from 1 choice hub 1-0:1.0: USB hub found hub 1-0:1.0: 2 ports detected ehci_hcd 0000:00:0b.1: EHCI Host Controller ehci_hcd 0000:00:0b.1: new USB bus registered, assigned bus number 2 ehci_hcd 0000:00:0b.1: irq 10, io mem 0x08002100 ehci_hcd 0000:00:0b.1: USB 2.0 started, EHCI 1.00 usb usb2: New USB device found, idVendor=1d6b, idProduct=0002 usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb2: Product: EHCI Host Controller usb usb2: Manufacturer: Linux 2.6.31.2 ehci_hcd usb usb2: SerialNumber: 0000:00:0b.1 usb usb2: configuration #1 chosen from 1 choice hub 2-0:1.0: USB hub found hub 2-0:1.0: 2 ports detected ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ohci_hcd 0000:00:0a.0: OHCI Host Controller ohci_hcd 0000:00:0a.0: new USB bus registered, assigned bus number 3 ohci_hcd 0000:00:0a.0: irq 15, io mem 0x08000000 usb usb3: New USB device found, idVendor=1d6b, idProduct=0001 usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb3: Product: OHCI Host Controller usb usb3: Manufacturer: Linux 2.6.31.2 ohci_hcd usb usb3: SerialNumber: 0000:00:0a.0 usb usb3: configuration #1 chosen from 1 choice hub 3-0:1.0: USB hub found hub 3-0:1.0: 2 ports detected ohci_hcd 0000:00:0b.0: OHCI Host Controller ohci_hcd 0000:00:0b.0: new USB bus registered, assigned bus number 4 ohci_hcd 0000:00:0b.0: irq 11, io mem 0x08001000 usb usb4: New USB device found, idVendor=1d6b, idProduct=0001 usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1 usb usb4: Product: OHCI Host Controller usb usb4: Manufacturer: Linux 2.6.31.2 ohci_hcd usb usb4: SerialNumber: 0000:00:0b.0 usb 1-1: new high speed USB device using ehci_hcd and address 2 usb usb4: configuration #1 chosen from 1 choice hub 4-0:1.0: USB hub found hub 4-0:1.0: 2 ports detected Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. PNP: No PS/2 controller found. Probing ports directly. usb 1-1: New USB device found, idVendor=090c, idProduct=1000 usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-1: Product: USB DISK usb 1-1: Manufacturer: SMI Corporation usb 1-1: SerialNumber: AA00000000002486 usb 1-1: configuration #1 chosen from 1 choice scsi0 : SCSI emulation for USB Mass Storage devices serio: i8042 KBD port at 0x60,0x64 irq 1 mice: PS/2 mouse device common for all mice rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one day, 114 bytes nvram cpuidle: using governor ladder cpuidle: using governor menu TCP cubic registered NET: Registered protocol family 10 IPv6 over IPv4 tunneling driver NET: Registered protocol family 17 RPC: Registered udp transport module. RPC: Registered tcp transport module. rtc_cmos rtc_cmos: setting system clock to 2009-11-19 15:08:27 UTC (1258643307) Waiting for root device /dev/sda1... scsi 0:0:0:0: Direct-Access SMI USB DISK 1100 PQ: 0 ANSI: 0 CCS sd 0:0:0:0: [sda] 1981440 512-byte logical blocks: (1.01 GB/967 MiB) sd 0:0:0:0: [sda] Write Protect is off sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] Assuming drive cache: write through sda: sda1 sda2 sd 0:0:0:0: [sda] Assuming drive cache: write through sd 0:0:0:0: [sda] Attached SCSI disk VFS: Mounted root (ext2 filesystem) readonly on device 8:1. Freeing unused kernel memory: 204k freed --Boundary-00=_tg6CLmSpgCbgNhQ-- -- 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/