Here is a capture of the system booting up:
Linux/PPC load: ip=on root=/dev/sda1 rw rootdelay=10
Uncompressing Linux...done.
Now booting the kernel
Linux version 2.6.13 ([EMAIL PROTECTED]) (gcc version 3.3.3
(DENX ELDK 3.1.1 3.3.3-9))
#2 Fri Oct 7 10:08:15 EDT 2005
Luan port (MontaVista Software, Inc.
<[EMAIL PROTECTED]>)
Built 1 zonelists
Kernel command line: ip=on root=/dev/sda1 rw
rootdelay=10
PID hash table entries: 4096 (order: 12, 65536 bytes)
Dentry cache hash table entries: 131072 (order: 7,
524288 bytes)
Inode-cache hash table entries: 65536 (order: 6,
262144 bytes)
Memory: 516864k available (1640k kernel code, 592k
data, 124k init, 0k highmem)
Mount-cache hash table entries: 512
NET: Registered protocol family 16
PCI: Probing PCI hardware
SCSI subsystem initialized
usbcore: registered new driver hub
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports,
IRQ sharing enabled
ttyS0 at MMIO 0x0 (irq = 0) is a 16550A
ttyS1 at MMIO 0x0 (irq = 1) is a 16550A
ttyS2 at MMIO 0x0 (irq = 2) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size
1024 blocksize
mal0: Initialized, 1 tx channels, 1 rx channels
emac: IBM EMAC Ethernet driver, version 2.0
Maintained by Benjamin Herrenschmidt
<[EMAIL PROTECTED]>
eth0: IBM emac, MAC 00:01:73:01:c5:42
eth0: Found CIS8201 Gigabit Ethernet PHY (0x01)
usbmon: debugfs is not available
ehci_hcd 0001:01:01.2: EHCI Host Controller
ehci_hcd 0001:01:01.2: new USB bus registered,
assigned bus number 1
ehci_hcd 0001:01:01.2: irq 49, io mem 0xbfffdf00
ehci_hcd 0001:01:01.2: USB 2.0 initialized, EHCI 0.95,
driver 10 Dec 2004
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 4 ports detected
ohci_hcd 0001:01:01.0: OHCI Host Controller
ohci_hcd 0001:01:01.0: new USB bus registered,
assigned bus number 2
ohci_hcd 0001:01:01.0: irq 49, io mem 0xbffff000
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 2 ports detected
usb 1-1: new high speed USB device using ehci_hcd and
address 2
ohci_hcd 0001:01:01.1: OHCI Host Controller
ohci_hcd 0001:01:01.1: new USB bus registered,
assigned bus number 3
ohci_hcd 0001:01:01.1: irq 49, io mem 0xbfffe000
hub 3-0:1.0: USB hub found
hub 3-0:1.0: 2 ports detected
USB Universal Host Controller Interface driver v2.3
Initializing USB Mass Storage driver...
scsi0 : SCSI emulation for USB Mass Storage devices
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
mice: PS/2 mouse device common for all mice
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: 6, 262144
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
eth0: Link is Up
eth0: Speed: 100, Full duplex.
eth0: Link is Up
eth0: Speed: 100, Full duplex.
Sending DHCP requests ., OK
IP-Config: Got DHCP answer from 192.168.123.254, my
address is 192.168.123.1
IP-Config: Complete:
device=eth0, addr=192.168.123.1,
mask=255.255.255.0, gw=192.168.123.254,
host=192.168.123.1, domain=, nis-domain=(none),
bootserver=192.168.123.254,
rootserver=192.168.123.254, rootpath=/exports/l
uanfs2
Waiting 10sec before mounting root device...
Vendor: M-Sys Model: uDiskOnChip Rev: 5.02
Type: Direct-Access ANSI SCSI
revision: 00
Oops: kernel access of bad area, sig: 11 [#1]
NIP: C00FFAB0 LR: C00FB1C0 SP: C0781EE0 REGS: c0781e30
TRAP: 0300 Not tainted
MSR: 00029000 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 00
DAR: 00000034, DSISR: 00800000
TASK = c072e770[2] 'ksoftirqd/0' THREAD: c0780000
Last syscall: -1
GPR00: 0000FFFE C0781EE0 C072E770 DFDD5060 DFDF0DCC
00000000 DFDFE264 00000000
GPR08: 00000000 DF843C00 00000002 DFDFE200 000000A9
00000000 00000000 00000000
GPR16: 00000000 00000000 00000000 00000003 00000003
52180000 FFFFFFFD 00000000
GPR24: 00000000 C0240000 C0240000 0000000A DFDEA000
DF843C00 00000000 C00FFA8C
NIP [c00ffab0] scsi_wait_done+0x24/0x78
LR [c00fb1c0] scsi_finish_command+0x84/0xb0
Call trace:
[c00fb1c0] scsi_finish_command+0x84/0xb0
[c00fb0cc] scsi_softirq+0xec/0x114
[c001befc] __do_softirq+0xe0/0xe8
[c001bf5c] do_softirq+0x58/0x5c
[c001c49c] ksoftirqd+0x7c/0xb8
[c002d370] kthread+0xb4/0xbc
[c00042b4] kernel_thread+0x44/0x60
Kernel panic - not syncing: Aiee, killing interrupt
handler!
<0>Rebooting in 180 seconds..
Thanks,
Jeff
--- Alan Stern <[EMAIL PROTECTED]> wrote:
> On Tue, 18 Oct 2005, Jeff Stevens wrote:
>
> > I am having an issue using a USB root filesystem.
> I
> > have tried both an NEC uPD720101 and a Phillips
> > ISP1563 host controller plugged into the PCI bus.
> > Both systems I am trying this on are PowerPC; one
> is a
> > Freescale MPC8540, and the other is an AMCC 440SP.
>
> > The filesystem resides on an M-Systems uDiskOnChip
> > module. The kernel I am running is 2.6.13 and I
> am
> > using the rootdelay=10 option.
> >
> >
> > Everything works fine on the MPC8540 system:
> ...
> > However, on the 440SP system it works sometimes
> and
> > not others. Right now, I might get it to work
> about
> > every 10 reboots. When it doesn't work, I see the
> > following:
> >
> > Waiting 10sec before mounting root device...
>
> >
> > Vendor: M-Sys Model: uDiskOnChip Rev:
> 5.02
> >
> > Type: Direct-Access ANSI
> SCSI
> > revision: 00
> > Oops: kernel access of bad area, sig: 11 [#1]
>
> >
> > NIP: C00FFAB0 LR: C00FB1C0 SP: C0781EE0 REGS:
> c0781e30
> > TRAP: 0300 Not tainted
> > MSR: 00029000 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 00
>
> >
> > DAR: 00000034, DSISR: 00800000
>
> >
> > TASK = c072e770[2] 'ksoftirqd/0' THREAD: c0780000
>
> >
> > Last syscall: -1
>
> >
> > GPR00: 0000FFFE C0781EE0 C072E770 DFDD5060
> DFE39DCC
> > 00000000 DFE46264 00000000
> > GPR08: 00000000 DF843C00 00000002 DFE46200
> 000000A9
> > 00000000 00000000 00000000
> > GPR16: 00000000 00000000 00000000 00000003
> 00000003
> > 52180000 FFFFFFFD 00000000
> > GPR24: 00000000 C0240000 C0240000 0000000A
> DFDEA000
> > DF843C00 00000000 C00FFA8C
> > NIP [c00ffab0] scsi_wait_done+0x24/0x78
>
> >
> > LR [c00fb1c0] scsi_finish_command+0x84/0xb0
>
>
> Please post more of the system log, showing what
> happened before the
> crash.
>
> > I am having another issue on this system that has
> to
> > do with mapping pci memory to user space (seems to
> be
> > a remap_pfn_range or mmap issue). Could this
> issue be
> > related?
>
> It seems unlikely.
>
> Alan Stern
>
>
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