Hi Bjorn, On Mon, 22 Feb 2010 13:55:28 -0700 Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote: > On Sunday 21 February 2010 12:45:31 am Yoichi Yuasa wrote: > > > I'd like to understand the PCI architecture of Cobalt better. Would you > > > mind turning on CONFIG_PCI_DEBUG and posting the dmesg log? > > > > If you want to know what happen, you can see my old e-mail. > > > > http://marc.info/?l=linux-kernel&m=118792430424186&w=2 > > There's not much detail there. It would save me a lot of time if > you could collect the complete dmesg log, /proc/iomem, and /proc/ioports. It cannot boot without old hack. I just got a console capture. Yoichi ---- 2> execute console=ttyS0,115200 root=/dev/sda2 elf32: 00080000 - 004220ef (800841f0) (ffffffff.80000000) elf32: 80080000 (80080000) 3694756t + 114764t net: interface down Cobalt board ID: 5 pci 0000:00:07.0: BAR 6: assigned [mem 0x12000000-0x1203ffff pref] pci 0000:00:0c.0: BAR 6: assigned [mem 0x12040000-0x1207ffff pref] pci 0000:00:0a.0: BAR 0: assigned [mem 0x12080000-0x12080fff] pci 0000:00:0a.0: BAR 0: set to [mem 0x12080000-0x12080fff] (PCI address [0x12080000-0x12080fff] pci 0000:00:0a.1: BAR 0: assigned [mem 0x12081000-0x12081fff] pci 0000:00:0a.1: BAR 0: set to [mem 0x12081000-0x12081fff] (PCI address [0x12081000-0x12081fff] pci 0000:00:07.0: BAR 1: assigned [mem 0x12082000-0x120823ff] pci 0000:00:07.0: BAR 1: set to [mem 0x12082000-0x120823ff] (PCI address [0x12082000-0x120823ff] pci 0000:00:0c.0: BAR 1: assigned [mem 0x12082400-0x120827ff] pci 0000:00:0c.0: BAR 1: set to [mem 0x12082400-0x120827ff] (PCI address [0x12082400-0x120827ff] pci 0000:00:0a.2: BAR 0: assigned [mem 0x12082800-0x120828ff] pci 0000:00:0a.2: BAR 0: set to [mem 0x12082800-0x120828ff] (PCI address [0x12082800-0x120828ff] pci 0000:00:07.0: BAR 0: assigned [io 0x1000-0x107f] pci 0000:00:07.0: BAR 0: set to [io 0x1000-0x107f] (PCI address [0x10001000-0x1000107f] pci 0000:00:0c.0: BAR 0: assigned [io 0x1080-0x10ff] pci 0000:00:0c.0: BAR 0: set to [io 0x1080-0x10ff] (PCI address [0x10001080-0x100010ff] pci 0000:00:09.2: BAR 4: assigned [io 0x1400-0x141f] pci 0000:00:09.2: BAR 4: set to [io 0x1400-0x141f] (PCI address [0x10001400-0x1000141f] pci 0000:00:09.1: BAR 4: assigned [io 0x1420-0x142f] pci 0000:00:09.1: BAR 4: set to [io 0x1420-0x142f] (PCI address [0x10001420-0x1000142f] Switching to clocksource MIPS 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 UDP hash table entries: 256 (order: 0, 4096 bytes) UDP-Lite hash table entries: 256 (order: 0, 4096 bytes) NET: Registered protocol family 1 RPC: Registered udp transport module. RPC: Registered tcp transport module. RPC: Registered tcp NFSv4.1 backchannel transport module. pci 0000:00:09.0: Activating ISA DMA hang workarounds Installing knfsd (copyright (C) 1996 okir@xxxxxxxxxxxx). msgmni has been set to 245 io scheduler noop registered io scheduler deadline registered io scheduler cfq registered (default) fb0: Cobalt server LCD frame buffer device Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled _serial8250.0: ttyS0 at MMIO 0x1c800000 (irq = 21) is a ST16650V2_console [ttyS0] enabled, bootconsole disabled console [ttyS0] enabled, bootconsole disabled loop: module loaded pata_via 0000:00:09.1: BAR 0: can't reserve [io 0xf00001f0-0xf00001f7] pata_via 0000:00:09.1: failed to request/iomap BARs for port 0 (errno=-16) pata_via 0000:00:09.1: BAR 2: can't reserve [io 0xf0000170-0xf0000177] pata_via 0000:00:09.1: failed to request/iomap BARs for port 1 (errno=-16) pata_via 0000:00:09.1: no available native port physmap platform flash device: 00080000 at 1fc00000 Found: AMD AM29F040 physmap-flash.0: Found 1 x8 devices at 0x0 in 8-bit bank number of JEDEC chips: 1 cmdlinepart partition parsing not available RedBoot partition parsing not available Using physmap partition information Creating 1 MTD partitions on "physmap-flash.0": 0x000000000000-0x000000080000 : "firmware" Linux Tulip driver version 1.1.15 (Feb 27, 2007) PCI: Enabling device 0000:00:07.0 (0041 -> 0043) tulip0: Old format EEPROM on 'Cobalt Microserver' board. Using substitute media control info. tulip0: EEPROM default media type Autosense. tulip0: Index #0 - Media MII (#11) described by a 21142 MII PHY (3) block. tulip0: MII transceiver #1 config 1000 status 7809 advertising 01e1. eth0: Digital DS21142/43 Tulip rev 65 at Port 0x1000, --:--:--:--:--:--, IRQ 19. PCI: Enabling device 0000:00:0c.0 (0005 -> 0007) tulip1: Old format EEPROM on 'Cobalt Microserver' board. Using substitute media control info. tulip1: EEPROM default media type Autosense. tulip1: Index #0 - Media MII (#11) described by a 21142 MII PHY (3) block. tulip1: MII transceiver #1 config 1000 status 7809 advertising 01e1. eth1: Digital DS21142/43 Tulip rev 65 at Port 0x1080, --:--:--:--:--:--, IRQ 20. input: Cobalt buttons as /devices/platform/Cobalt buttons/input/input0 rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 rtc0: alarms up to one day, 242 bytes nvram Registered led device: qube::front TCP cubic registered Initializing XFRM netlink socket NET: Registered protocol family 17 NET: Registered protocol family 15 rtc_cmos rtc_cmos: setting system clock to 2010-02-21 23:19:20 UTC (1266794360) VFS: Cannot open root device "sda2" or unknown-block(0,0) Please append a correct "root=" boot option; here are the available partitions: Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)