[Buildroot] Buildroot for powerpc, no prompt + OpenSSH login

[Daniel Mack <daniel@caiaq.de>]

On Thu, Jan 21, 2010 at 03:29:13PM +0100, Cl?ment Foucher wrote:
> I'm using buildroot to create a filesystem for my Linux embedded on a Xilinx ml507 board (the processor is a PowerPC 440)
> Before using buildroot, I used the default filesystem shipped with ELDK, and it worked, but I hadn't the default applications I needed (particularly OpenSSH).
> 
> So I tried to create a filesystem including OpenSSH using buildroot. Then, when I launched the Linux, I saw all the startup messages, but never get the prompt that would allow me to enter commands on the console.
> 
> I though that it could be a problem in the configuration of OpenSSH, so I retried with a standard configuration, just setting my architecture (powerpc/440) in xconfig, not adding any options, but I got the same problem.
> 
> As a last test, I activated console information in order to force the getty to ttyUL0, witch is the port that I use for the console output (the one where I see the boot messages, that are correct), but it didn't changed anything.
> 
> Here are the boot messages I got for the bare installation (without OpenSSH) :

Your problem doesn't seem to be related to OpenSSH. There is just no
getty being launched on your serial console. Assuming you're using the
generic target, select BR2_TARGET_GENERIC_GETTY_TTYUL0 and rebuild, that
should do the trick.

HTH,
Daniel



> zImage starting: loaded at 0x00400000 (sp: 0x00576eb0)
> Allocating 0x30f521 bytes for kernel ...
> gunzipping (0x00000000 <- 0x0040d000:0x00575df1)...done 0x2f2028 bytes
> 
> Linux/PowerPC load: console=ttyUL0 ip=134.59.157.61 root=/dev/xsa2 rw
> Finalizing device tree... flat tree at 0x583300
> Using Xilinx Virtex440 machine description
> Linux version 2.6.31 (foucher at gentiane) (gcc version 4.2.2) #2 PREEMPT Thu Jan 2
> 1 10:16:43 CET 2010
> Zone PFN ranges:
>   DMA      0x00000000 -> 0x00010000
>   Normal   0x00010000 -> 0x00010000
> Movable zone start PFN for each node
> early_node_map[1] active PFN ranges
>     0: 0x00000000 -> 0x00010000
> MMU: Allocated 1088 bytes of context maps for 255 contexts
> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 65024
> Kernel command line: console=ttyUL0 ip=134.59.157.61 root=/dev/xsa2 rw
> PID hash table entries: 1024 (order: 10, 4096 bytes)
> Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
> Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
> Memory: 256384k/262144k available (2868k kernel code, 5424k reserved, 120k data,
>  113k bss, 128k init)
> Kernel virtual memory layout:
>   * 0xffffe000..0xfffff000  : fixmap
>   * 0xfde00000..0xfe000000  : consistent mem
>   * 0xfde00000..0xfde00000  : early ioremap
>   * 0xd1000000..0xfde00000  : vmalloc & ioremap
> NR_IRQS:512
> clocksource: timebase mult[a00000] shift[22] registered
> Console: colour dummy device 80x25
> Mount-cache hash table entries: 512
> NET: Registered protocol family 16
> bio: create slab <bio-0> at 0
> NET: Registered protocol family 2
> IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
> TCP established hash table entries: 8192 (order: 4, 65536 bytes)
> TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
> TCP: Hash tables configured (established 8192 bind 8192)
> TCP reno registered
> NET: Registered protocol family 1
> ROMFS MTD (C) 2007 Red Hat, Inc.
> msgmni has been set to 501
> io scheduler noop registered
> io scheduler anticipatory registered
> io scheduler deadline registered
> io scheduler cfq registered (default)
> Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> 84000000.serial: ttyUL0 at MMIO 0x84000003 (irq = 16) is a uartlite
> console [ttyUL0] enabled
> loop: module loaded
> xsysace 83600000.sysace: Xilinx SystemACE revision 1.0.12
> xsysace 83600000.sysace: capacity: 1019088 sectors
>  xsa: xsa1 xsa2
> Xilinx SystemACE device driver, major=254
> Device Tree Probing 'ethernet'
> xilinx_lltemac 81c00000.ethernet: MAC address is now  0: a:35:92:8f: 0
> xilinx_lltemac 81c00000.ethernet: XLlTemac: using DMA mode.
> XLlTemac: DCR address: 0x80
> XLlTemac: buffer descriptor size: 32768 (0x8000)
> XLlTemac: Allocating DMA descriptors with kmalloc
> XLlTemac: (buffer_descriptor_init) phy: 0xf948000, virt: 0xcf948000, size: 0x800
> 0
> XTemac: PHY detected at address 7.
> eth0: Dropping NETIF_F_SG since no checksum feature.
> xilinx_lltemac 81c00000.ethernet: eth0: Xilinx TEMAC at 0x81C00000 mapped to 0xD
> 1028000, irq=18
> mice: PS/2 mouse device common for all mice
> TCP cubic registered
> NET: Registered protocol family 17
> eth0: XLlTemac: Options: 0x3fa
> eth0: XLlTemac: allocating interrupt 20 for dma mode tx.
> eth0: XLlTemac: allocating interrupt 19 for dma mode rx.
> eth0: XLlTemac: speed set to 1000Mb/s
> eth0: XLlTemac: Send Threshold = 24, Receive Threshold = 4
> eth0: XLlTemac: Send Wait bound = 254, Receive Wait bound = 254
> IP-Config: Guessing netmask 255.255.0.0
> IP-Config: Complete:
>      device=eth0, addr=134.59.157.61, mask=255.255.0.0, gw=255.255.255.255,
>      host=134.59.157.61, domain=, nis-domain=(none),
>      bootserver=255.255.255.255, rootserver=255.255.255.255, rootpath=
> kjournald starting.  Commit interval 5 seconds
> EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
> EXT3 FS on xsa2, internal journal
> EXT3-fs: recovery complete.
> EXT3-fs: mounted filesystem with writeback data mode.
> VFS: Mounted root (ext3 filesystem) on device 254:2.
> Freeing unused kernel memory:`Initializing random number generator... done.
> Starting network...
> ip: RTNETLINK answers: File exists
> 
> 
> 
> 
> ... And it stops here.
> 
> What should I do?
> 
> 
> 
> As a second problem, when I tried the OpenSSH version, even if I couldn't have the prompt, I tried to connect to the OpenSSH of my card.
> It seems to work correctly, but it ask me for a password. I though that there wasn't any password ?
> I tried to log in as root and as default, but nothing worked.
> 
> So is there a default password to log in?
> 
> 
> 
> 
> Thank you.
> 
> 
> 

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