hi: I use a PIII machine as the server and cyrixIII machine as the client.The kernel is 2.4.5.The distribute is red hat 7.1 when i mount the nfs file system at the client it failed.The core file is created.using the gdb it report : Program terminated with signal 4(SIGILL),Illegal instruction #0 0x40003e28 in ??() If i change the cpu (CyrixIII) to PIII all is ok. help frank - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/