Hi all, I am implementing the MontaVista linux previewkit a 2.4 Linux kernel for a PowerPC405 on a custom board based on ML403. Our design used Uartlite instead of Uart, I set the boot parameter in the kernel to console=ttl0,9600. The system uses a ramdisk image. The problem is after linux trying to boot, there are error messages as shown below: loaded at: 00400000 005E41E0 board data at: 005E1138 005E1150 relocated to: 0040530C 00405324 zimage at: 004058D7 0047B4A3 initrd at: 0047C000 005E0591 avail ram: 005E5000 04000000 Linux/PPC load: root=/dev/ram rw console=ttl0,9600 console=/dev/ttl0 Uncompressing Linux...done. Now booting the kernel Linux version 2.4.20_mvl31-ml300 ([EMAIL PROTECTED]) (gcc version 3.3.1 (MontaVista 3.3.1-3.0.10.0300532 2003-12-24)) #23 Tue Mar 13 14:53:19 EDT 2007 Xilinx Virtex-II Pro port (C) 2002 MontaVista Software, Inc. ([EMAIL PROTECTED]) On node 0 totalpages: 16384 zone(0): 16384 pages. zone(1): 0 pages. zone(2): 0 pages. Kernel command line: root=/dev/ram rw console=ttl0,9600 console=/dev/ttl0 Xilinx INTC #0 at 0x41200000 mapped to 0xFDFFF000 Calibrating delay loop... 296.55 BogoMIPS Memory: 62164k available (868k kernel code, 252k data, 48k init, 0k highmem) Dentry cache hash table entries: 8192 (order: 4, 65536 bytes) Inode cache hash table entries: 4096 (order: 3, 32768 bytes) Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) Buffer-cache hash table entries: 4096 (order: 2, 16384 bytes) Page-cache hash table entries: 16384 (order: 4, 65536 bytes) POSIX conformance testing by UNIFIX Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd Disabling the Out Of Memory Killer devfs: v1.12c (20020818) Richard Gooch ([EMAIL PROTECTED]) devfs: boot_options: 0x1 pty: 256 Unix98 ptys configured RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize loop: loaded (max 8 devices) Tracer: Initialization complete NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 4096 bind 8192) IP-Config: No network devices available. NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. RAMDISK: Compressed image found at block 0 Freeing initrd memory: 1425k freed VFS: Mounted root (ext2 filesystem). Mounted devfs on /dev Freeing unused kernel memory: 48k init serial console detected. Disabling virtual terminals. Xilinx OS Independent Code XAssert: xuartlite.c:195 Code may crash due to unhandled errors. Xilinx OS Independent Code XAssert: xuartlite.c:195 Code may crash due to unhandled errors. Xilinx OS Independent Code XAssert: xuartlite.c:195 Code may crash due to unhandled errors. Xilinx OS Independent Code XAssert: xuartlite.c:195 Code may crash due to unhandled errors. We don't know what is causing the problem, any help would be appreciated. Thanks, Tai. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Jantira Hengmeechai (Tai) Embedded Software Developer Linear Systems Ltd. 1717 Dublin Avenue, Unit 1 Winnipeg., MB., R3H 0H2, Canada Phone: 1 204 632 4300 ext.23, Fax: 1 204 697 2417
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