balaji.ramalingam@philips.com wrote: > Hello, > > I had been trying to get the linux kernel 2.4.3 on our > latest mips core which is mips32 ISA complient. > > Finally I was able to boot the kernel after facing a lot of > issues. But I was not able to get a kernel prompt. > I got the below messages > > ########################################################################################## > > Detected 32MB of memory > Loading MIPS32 MMU routines. > CPU revision is: 00061200 > Primary instruction cache 16kb, linesize 32 bytes (2 ways) > Primary data cache 16kb, linesize 32 bytes (4 ways) > Number of TLB entries 32. > Linux version 2.4.3-MIPS-01.01 (ramaling@svlhp106.sv.sc.philips.com) (gcc version 3.0 2001042 > 2 (prerelease)) #11 Wed Nov 28 19:45:33 PST 2001 > Determined physical RAM map: > memory: 02000000 @ 00000000 (usable) > Initial ramdisk at: 0x8010e000 (1916920 bytes) > On node 0 totalpages: 8192 > zone(0): 8192 pages. > zone(1): 0 pages. > zone(2): 0 pages. > Kernel command line: root=/dev/ram rw console=ttyS0 > calculating viper_offset... 00001200(4608) > CPU frequency in quickturn 0.46 MHz > Memory: 29184k/32768k available (603k kernel code, 3584k reserved, 1923k data, 36k init) > Dentry-cache hash table entries: 4096 (order: 3, 32768 bytes) > Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes) > Page-cache hash table entries: 8192 (order: 3, 32768 bytes) > Inode-cache hash table entries: 2048 (order: 2, 16384 bytes) > Checking for 'wait' instruction... available. > POSIX conformance testing by UNIFIX > Based upon Swansea University Computer Society NET3.039 > Starting kswapd v1.8 > block: queued sectors max/low 19333kB/6444kB, 64 slots per queue > RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize > RAMDISK: Compressed image found at block 0 > crc errorFreeing initrd memory: 1871k freed You get a CRC error from the ramdisk images. It look like you need to increase the configuration setting of your ramdisk. Try set CONFIG_BLK_DEV_RAM_SIZE to 18432. > VFS: Mounted root (ext2 filesystem) . > Freeing unused kernel memory: 36k freed > Warning: unable to open an initial console. > attempt to access beyond end of device > 01:00: rw=0, want=7771, limit=4096 > > ########################################################################################## > > I played around the ramdisk image and made sure that the /etc has fstab file > with /dev/ram entry in it. Also there is a inittab file with /sbin/agetty entry to take > care of the console ttyS0. > > I'm using the ttyS00 device (COM1) for both printing the debug messages as well > as getting the kernel prompt. I dont know where I'm messing up. > > PLEASE give me some tips. > Any help would be greatly appreciated. > > regards, > Balaji > > Finished kernel_thread; Going to do unlock and cpu_idle > > Linux NET4.0 for Linux 2.4