Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759170Ab0BYKdV (ORCPT ); Thu, 25 Feb 2010 05:33:21 -0500 Received: from exprod5og103.obsmtp.com ([64.18.0.145]:46884 "EHLO exprod5og103.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752318Ab0BYKdU (ORCPT ); Thu, 25 Feb 2010 05:33:20 -0500 X-Greylist: delayed 302 seconds by postgrey-1.27 at vger.kernel.org; Thu, 25 Feb 2010 05:33:20 EST Message-ID: <4B865176.7080806@ge.com> Date: Thu, 25 Feb 2010 10:31:18 +0000 From: Martyn Welch User-Agent: Thunderbird 2.0.0.23 (X11/20090817) MIME-Version: 1.0 To: linuxppc-dev list , netdev@vger.kernel.org, linux-kernel@vger.kernel.org CC: Anton Vorontsov , Sandeep Gopalpet , davem@davemloft.net Subject: Re: Gianfar driver failing on MPC8641D based board References: <4B6C2488.3060403@ge.com> In-Reply-To: <4B6C2488.3060403@ge.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 15524 Lines: 355 Martyn Welch wrote: > I have recently attempted to boot an 8641D based board from an NFS root. > The boot process grinds to a halt not long after the first access of the > NFS root and I receive multiple "nfs: server 192.168.0.1 not responding, > still trying" messages. Wireshark suggests that there is no further > traffic from this board at this point on. The NFS server seems to > eventually try sending duplicate packets it's already sent, which > results in "nfs: server 192.168.0.1 OK" messages, but the "not > responding" messages resume with no further traffic from the board. > > I am able to boot to a ramdisk fine and the network seems to work - > though I haven't really pushed the interface from it. > > I have attempted to git bisect, though I wasn't able to get much further > than discovering the problem was introduced in the 2.6.33 merge window - > at which point the gianfar network driver fails to compile (I have tried > to git bisect skip many, many times to no avail). > > NFS booting fails for this board on todays linux-next, the master branch > of Kumar's PPC tree and the head of the main tree. I have also been able > to NFS boot from a random x86 based board that I have, using the head of > the main tree and the linux-next tree. > > Copying the gianfar drivers from 2.6.32 into the head of the main tree > restores the correct behaviour and I'm able to NFS boot. I have heard > from others that the latest drivers work on 83xx and 85xx based boards, > but it seems to be broken on at least the 8641D. > > I can see there has been a fair amount of work done on the gianfar > driver, I assume that this is a bug introduced by the multiple queue > support, but I'm way out of my depth on this. > I have just compiled 2.6.33 for the Freescale MPC8641_HPCN demo board and am having still experiencing the problems outlined in my previous email, though I have noticed that I tend to be able to boot from cold, but my boot fails on reboot. Hitting the reset button doesn't help, I need to actually power the machine on and off again for it to work. As before, I'm way out of my depth in this, any one have any ideas? Below is a dump of the failed boot process: U-Boot 2009.01-00181-gc1b7c70 (Jan 30 2009 - 11:17:31) Freescale PowerPC CPU: Core: E600 Core 0, Version: 0.2, (0x80040202) System: Unknown, Version: 2.0, (0x80900120) Clocks: CPU:1000 MHz, MPX: 400 MHz, DDR: 200 MHz, LBC: 25 MHz L2: Enabled Board: MPC8641HPCN, System ID: 0x10, System Version: 0x10, FPGA Version: 0x22 I2C: ready DRAM: DDR: 1 GB FLASH: 8 MB Invalid ID (ff ff ff ff) Scanning PCI bus 01 PCI-EXPRESS 1 on bus 00 - 02 PCI-EXPRESS 2 on bus 03 - 03 Video: No radeon video card found! In: serial Out: serial Err: serial SCSI: AHCI 0001.0000 32 slots 4 ports 3 Gbps 0xf impl IDE mode flags: ncq ilck pm led clo pmp pio slum part scanning bus for devices... Net: eTSEC1, eTSEC2, eTSEC3, eTSEC4 => tftp 4000000 hpcn/uImage-torvalds-linux-2.6 Speed: 1000, full duplex Using eTSEC1 device TFTP from server 192.168.0.1; our IP address is 192.168.0.30 Filename 'hpcn/uImage-torvalds-linux-2.6'. Load address: 0x4000000 Loading: ################################################################# ################################################################# ####################################################### done Bytes transferred = 2709050 (29563a hex) => tftp 5000000 hpcn/mpc8641_hpcn-torvalds-linux-2.6.dtb Speed: 1000, full duplex Using eTSEC1 device TFTP from server 192.168.0.1; our IP address is 192.168.0.30 Filename 'hpcn/mpc8641_hpcn-torvalds-linux-2.6.dtb'. Load address: 0x5000000 Loading: # done Bytes transferred = 11523 (2d03 hex) => setenv bootargs "root=/dev/nfs rw nfsroot=192.168.0.1:/tftpboot/hpcn/root/ i" => bootm 4000000 - 5000000 WARNING: adjusting available memory to 10000000 ## Booting kernel from Legacy Image at 04000000 ... Image Name: Linux-2.6.33-00001-gbaac35c Image Type: PowerPC Linux Kernel Image (gzip compressed) Data Size: 2708986 Bytes = 2.6 MB Load Address: 00000000 Entry Point: 00000000 Verifying Checksum ... OK ## Flattened Device Tree blob at 05000000 Booting using the fdt blob at 0x5000000 Uncompressing Kernel Image ... OK Loading Device Tree to 007fa000, end 007ffd02 ... OK Using MPC86xx HPCN machine description Total memory = 1024MB; using 2048kB for hash table (at cfe00000) Linux version 2.6.33-00001-gbaac35c (welchma@ES-J7S4D2J) (gcc version 4.1.2) #20 CPU maps initialized for 1 thread per core bootconsole [udbg0] enabled setup_arch: bootmem mpc86xx_hpcn_setup_arch() Found FSL PCI host bridge at 0x00000000ffe08000. Firmware bus number: 0->2 PCI host bridge /pcie@ffe08000 (primary) ranges: MEM 0x0000000080000000..0x000000009fffffff -> 0x0000000080000000 IO 0x00000000ffc00000..0x00000000ffc0ffff -> 0x0000000000000000 /pcie@ffe08000: PCICSRBAR @ 0xfff00000 Found FSL PCI host bridge at 0x00000000ffe09000. Firmware bus number: 0->0 PCI host bridge /pcie@ffe09000 ranges: MEM 0x00000000a0000000..0x00000000bfffffff -> 0x00000000a0000000 IO 0x00000000ffc10000..0x00000000ffc1ffff -> 0x0000000000000000 /pcie@ffe09000: PCICSRBAR @ 0xfff00000 MPC86xx HPCN board from Freescale Semiconductor arch: exit Zone PFN ranges: DMA 0x00000000 -> 0x00030000 Normal 0x00030000 -> 0x00030000 HighMem 0x00030000 -> 0x00040000 Movable zone start PFN for each node early_node_map[1] active PFN ranges 0: 0x00000000 -> 0x00040000 PERCPU: Embedded 7 pages/cpu @c1003000 s7712 r8192 d12768 u65536 pcpu-alloc: s7712 r8192 d12768 u65536 alloc=16*4096 pcpu-alloc: [0] 0 [0] 1 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 260096 Kernel command line: root=/dev/nfs rw nfsroot=192.168.0.1:/tftpboot/hpcn/root/ p PID hash table entries: 4096 (order: 2, 16384 bytes) Dentry cache hash table entries: 131072 (order: 7, 524288 bytes) Inode-cache hash table entries: 65536 (order: 6, 262144 bytes) Memory: 1030864k/1048576k available (5228k kernel code, 17004k reserved, 196k d) Kernel virtual memory layout: * 0xfffc1000..0xfffff000 : fixmap * 0xff800000..0xffc00000 : highmem PTEs * 0xff7da000..0xff800000 : early ioremap * 0xf1000000..0xff7da000 : vmalloc & ioremap SLUB: Genslabs=13, HWalign=32, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 Hierarchical RCU implementation. NR_IRQS:512 nr_irqs:512 mpic: Setting up MPIC " MPIC " version 1.2 at ffe40000, max 2 CPUs mpic: ISU size: 256, shift: 8, mask: ff mpic: Initializing for 256 sources i8259 legacy interrupt controller initialized clocksource: timebase mult[2800000] shift[22] registered Console: colour dummy device 80x25 Mount-cache hash table entries: 512 mpic: requesting IPIs ... Processor 1 found. Brought up 2 CPUs NET: Registered protocol family 16 PCI: Probing PCI hardware pci 0000:00:00.0: ignoring class b20 (doesn't match header type 01) pci 0000:00:00.0: PCI bridge to [bus 01-ff] pci 0000:02:1d.0: unsupported PM cap regs version (4) pci 0000:01:00.0: PCI bridge to [bus 02-ff] (subtractive decode) pci 0001:03:00.0: ignoring class b20 (doesn't match header type 01) pci 0001:03:00.0: PCI bridge to [bus 04-ff] pci 0000:01:00.0: PCI bridge to [bus 02-02] pci 0000:01:00.0: bridge window [io 0x1000-0x1fff] pci 0000:01:00.0: bridge window [mem 0x80000000-0x800fffff] pci 0000:01:00.0: bridge window [mem pref disabled] pci 0000:00:00.0: PCI bridge to [bus 01-02] pci 0000:00:00.0: bridge window [io 0x0000-0xffff] pci 0000:00:00.0: bridge window [mem 0x80000000-0x9fffffff] pci 0000:00:00.0: bridge window [mem pref disabled] pci 0000:00:00.0: enabling device (0106 -> 0107) pci 0001:03:00.0: PCI bridge to [bus 04-04] pci 0001:03:00.0: bridge window [io 0xfffee000-0xffffdfff] pci 0001:03:00.0: bridge window [mem 0xa0000000-0xbfffffff] pci 0001:03:00.0: bridge window [mem pref disabled] pci 0001:03:00.0: enabling device (0106 -> 0107) bio: create slab at 0 vgaarb: loaded SCSI subsystem initialized usbcore: registered new interface driver usbfs usbcore: registered new interface driver hub usbcore: registered new device driver usb Advanced Linux Sound Architecture Driver Version 1.0.21. Switching to clocksource timebase NET: Registered protocol family 2 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 UDP hash table entries: 512 (order: 2, 16384 bytes) UDP-Lite hash table entries: 512 (order: 2, 16384 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. audit: initializing netlink socket (disabled) type=2000 audit(0.144:1): initialized highmem bounce pool size: 64 pages Installing knfsd (copyright (C) 1996 okir@monad.swb.de). NTFS driver 2.1.29 [Flags: R/O]. msgmni has been set to 1502 alg: No test for stdrng (krng) io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) Generic non-volatile memory driver v1.1 Serial: 8250/16550 driver, 2 ports, IRQ sharing enabled serial8250.0: ttyS0 at MMIO 0xffe04500 (irq = 42) is a 16550A console [ttyS0] enabled, bootconsole disabled console [ttyS0] enabled, bootconsole disabled serial8250.0: ttyS1 at MMIO 0xffe04600 (irq = 28) is a 16550A brd: module loaded loop: module loaded nbd: registered device at major 43 st: Version 20081215, fixed bufsize 32768, s/g segs 256 ahci 0000:02:1f.1: AHCI 0001.0000 32 slots 4 ports 3 Gbps 0xf impl SATA mode ahci 0000:02:1f.1: flags: ncq sntf ilck pm led clo pmp pio slum part scsi0 : ahci scsi1 : ahci scsi2 : ahci scsi3 : ahci ata1: SATA max UDMA/133 abar m1024@0x80006000 port 0x80006100 irq 5 ata2: SATA max UDMA/133 abar m1024@0x80006000 port 0x80006180 irq 5 ata3: SATA max UDMA/133 abar m1024@0x80006000 port 0x80006200 irq 5 ata4: SATA max UDMA/133 abar m1024@0x80006000 port 0x80006280 irq 5 scsi4 : pata_ali scsi5 : pata_ali ata5: PATA max UDMA/133 cmd 0x1200 ctl 0x1208 bmdma 0x1220 irq 14 ata6: PATA max UDMA/133 cmd 0x1210 ctl 0x1218 bmdma 0x1228 irq 14 eth0: Gianfar Ethernet Controller Version 1.2, 00:e0:0c:00:00:01 eth0: Running with NAPI enabled eth0: :RX BD ring size for Q[0]: 256 eth0:TX BD ring size for Q[0]: 256 eth1: Gianfar Ethernet Controller Version 1.2, 00:e0:0c:00:01:fd eth1: Running with NAPI enabled eth1: :RX BD ring size for Q[0]: 256 eth1:TX BD ring size for Q[0]: 256 eth2: Gianfar Ethernet Controller Version 1.2, 00:e0:0c:00:02:fd eth2: Running with NAPI enabled eth2: :RX BD ring size for Q[0]: 256 eth2:TX BD ring size for Q[0]: 256 eth3: Gianfar Ethernet Controller Version 1.2, 00:e0:0c:00:03:fd eth3: Running with NAPI enabled eth3: :RX BD ring size for Q[0]: 256 eth3:TX BD ring size for Q[0]: 256 Freescale PowerQUICC MII Bus: probed Freescale PowerQUICC MII Bus: probed Freescale PowerQUICC MII Bus: probed Freescale PowerQUICC MII Bus: probed usbmon: debugfs is not available ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver ehci_hcd 0000:02:1c.3: EHCI Host Controller ehci_hcd 0000:02:1c.3: new USB bus registered, assigned bus number 1 ehci_hcd 0000:02:1c.3: debug port 1 ehci_hcd 0000:02:1c.3: Enabling legacy PCI PM ehci_hcd 0000:02:1c.3: irq 11, io mem 0x80003000 ehci_hcd 0000:02:1c.3: USB 2.0 started, EHCI 1.00 hub 1-0:1.0: USB hub found hub 1-0:1.0: 8 ports detected ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver ohci_hcd 0000:02:1c.0: OHCI Host Controller ata5.00: ATAPI: SONY DVD RW AW-Q170A, 1.73, max UDMA/66 ata5.00: WARNING: ATAPI DMA disabled for reliability issues. It can be enabled ata5.00: WARNING: via pata_ali.atapi_dma modparam or corresponding sysfs node. ata5.00: configured for UDMA/66 ohci_hcd 0000:02:1c.0: new USB bus registered, assigned bus number 2 ohci_hcd 0000:02:1c.0: irq 12, io mem 0x80000000 hub 2-0:1.0: USB hub found hub 2-0:1.0: 3 ports detected ohci_hcd 0000:02:1c.1: OHCI Host Controller ohci_hcd 0000:02:1c.1: new USB bus registered, assigned bus number 3 ohci_hcd 0000:02:1c.1: irq 9, io mem 0x80001000 ata3: SATA link down (SStatus 0 SControl 300) ata1: SATA link down (SStatus 0 SControl 300) ata4: SATA link down (SStatus 0 SControl 300) ata2: SATA link down (SStatus 0 SControl 300) hub 3-0:1.0: USB hub found hub 3-0:1.0: 3 ports detected ohci_hcd 0000:02:1c.2: OHCI Host Controller ohci_hcd 0000:02:1c.2: new USB bus registered, assigned bus number 4 scsi 4:0:0:0: CD-ROM SONY DVD RW AW-Q170A 1.73 PQ: 0 ANSI: 5 ohci_hcd 0000:02:1c.2: irq 10, io mem 0x80002000 sr0: scsi3-mmc drive: 48x/48x writer cd/rw xa/form2 cdda tray Uniform CD-ROM driver Revision: 3.20 sr 4:0:0:0: Attached scsi generic sg0 type 5 hub 4-0:1.0: USB hub found hub 4-0:1.0: 3 ports detected Initializing USB Mass Storage driver... usbcore: registered new interface driver usb-storage USB Mass Storage support registered. i8042.c: No controller found. rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one day, 114 bytes nvram usbcore: registered new interface driver usbhid usbhid: USB HID core driver intel8x0_measure_ac97_clock: measured 50231 usecs (2424 samples) intel8x0: clocking to 48000 ALSA device list: #0: ALi M5455 with ALC650F at irq 6 IPv4 over IPv4 tunneling driver GRE over IPv4 tunneling driver TCP cubic registered Initializing XFRM netlink socket NET: Registered protocol family 10 IPv6 over IPv4 tunneling driver NET: Registered protocol family 17 rtc_cmos rtc_cmos: setting system clock to 2002-03-11 18:46:05 UTC (1015872365) ADDRCONF(NETDEV_UP): eth0: link is not ready ADDRCONF(NETDEV_UP): eth1: link is not ready ADDRCONF(NETDEV_UP): eth2: link is not ready ADDRCONF(NETDEV_UP): eth3: link is not ready Sending DHCP requests . PHY: mdio@ffe24520:00 - Link is Up - 1000/Full ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready ., OK IP-Config: Got DHCP answer from 192.168.0.1, my address is 192.168.0.241 IP-Config: Complete: device=eth0, addr=192.168.0.241, mask=255.255.255.0, gw=192.168.0.1, host=192.168.0.241, domain=Radstone.Local, nis-domain=(none), bootserver=192.168.0.1, rootserver=192.168.0.1, rootpath= Looking up port of RPC 100003/2 on 192.168.0.1 Looking up port of RPC 100005/1 on 192.168.0.1 VFS: Mounted root (nfs filesystem) on device 0:13. Freeing unused kernel memory: 220k init nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying nfs: server 192.168.0.1 not responding, still trying -- Martyn Welch (Principal Software Engineer) | Registered in England and GE Intelligent Platforms | Wales (3828642) at 100 T +44(0)127322748 | Barbirolli Square, Manchester, E martyn.welch@ge.com | M2 3AB VAT:GB 927559189 -- 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/