[yocto] Unable to get serial console login prompt - PowerPC 440 Virtex 5 processor

Elvis Dowson elvis.dowson at gmail.com
Thu Aug 9 09:47:37 PDT 2012


Hi,
       I switched to using gcc-4.6 from the meta-openembedded layer, and still get the same issue, i.e. no login or bash prompt with init=/bin/sh

zImage starting: loaded at 0x00800000 (sp: 0x016d2fa0)
Allocating 0x546e0c bytes for kernel ...
gunzipping (0x00000000 <- 0x0080f000:0x00a14e83)...done 0x4295c0 bytes
Attached initrd image at 0x00a15000-0x016d1e57
initrd head: 0x1f8b0808

Linux/PowerPC load: console=ttyS0,9600n8 ip=off root=/dev/ram rw rootwait init=/bin/sh
Finalizing device tree... flat tree at 0x16df0e0
 PM: Adding info for No Bus:ttyv9
[    0.571186] Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
[    0.576568] 83e00000.serial: ttyS0 at MMIO 0x83e01003 (irq = 20) is a 16550
[    0.772047] console [ttyS0] enabled
[    0.836379] brd: module loaded
[    0.883293] loop: module loaded
[    0.920576] xsysace 83600000.sysace: Xilinx SystemACE revision 1.0.12
[    0.997321] xsysace 83600000.sysace: No CF in slot
[    1.056390] Xilinx SystemACE device driver, major=254
[    1.117274] xilinx_emaclite 81000000.ethernet: Device Tree Probing
[    1.190788] xilinx_emaclite 81000000.ethernet: error registering MDIO bus
[    1.271877] xilinx_emaclite 81000000.ethernet: MAC address is now 00:0a:35:b7:78:00
[    1.365554] xilinx_emaclite 81000000.ethernet: Xilinx EmacLite at 0x81000000 mapped to 0xD10A0000, irq=17
[    1.480513] xilinx_ps2 81480000.ps2: Device Tree Probing 'ps2'
[    1.549769] xilinx_ps2 81480000.ps2: Xilinx PS2 at 0x81480000 mapped to 0xd1036000, irq=22
[    1.649154] xilinx_ps2 81481000.ps2: Device Tree Probing 'ps2'
[    1.718826] xilinx_ps2 81481000.ps2: Xilinx PS2 at 0x81481000 mapped to 0xd1038000, irq=23
[    1.819612] mousedev: PS/2 mouse device common for all mice
[    1.887013] i2c /dev entries driver
[    1.928583] Device Tree Probing 'i2c'
[    1.972867] xilinx-iic #0 at 0x81600000 mapped to 0xD10C0000, irq=18
[    2.050528] TCP cubic registered
[    2.088448] NET: Registered protocol family 17
[    2.882860] atkbd serio0: keyboard reset failed on xilinxps2/serio at 81480000
[    3.367142] RAMDISK: gzip image found at block 0
[    3.895064] input: AT Raw Set 2 keyboard as /devices/plb.0/xps-ps2.1/81481000.ps2/serio1/input/input0
[    6.255216] EXT2-fs (ram0): warning: mounting unchecked fs, running e2fsck is recommended
[    6.352491] VFS: Mounted root (ext2 filesystem) on device 1:0.
[    6.423252] Freeing unused kernel memory: 156k freed

gdb, connected to the target board via JTAG to debug the kernel, also doesn't seem to complain:

(gdb) syslog
 device: 'input0': device_add
<7>[    3.890268] PM: Adding info for No Bus:input0
<6>[    3.895007] input: AT Raw Set 2 keyboard as /devices/plb.0/xps-ps2.1/81481000.ps2/serio1/input/input0
<7>[    4.110886] driver: 'serio1': driver_bound: bound to device 'atkbd'
<7>[    4.110922] bus: 'serio': really_probe: bound device serio1 to driver atkbd
<7>[    4.110956] bus: 'serio': driver_probe_device: matched device serio0 with driver psmouse
<7>[    4.110975] bus: 'serio': really_probe: probing driver psmouse with device serio0
<7>[    4.310941] psmouse: probe of serio0 rejects match -19
<4>[    6.259162] EXT2-fs (ram0): warning: mounting unchecked fs, running e2fsck is recommended
<6>[    6.356473] VFS: Mounted root (ext2 filesystem) on device 1:0.
<6>[    6.427235] Freeing unused kernel memory: 156k freed

So weird. 

Best regards,

Elvis Dowson
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.yoctoproject.org/pipermail/yocto/attachments/20120809/7480ae7e/attachment.html>


More information about the yocto mailing list