Hi All, I have my WLAN driver running on Embedded Planet board with HardHat Linux. But when i send a ping of size more than 1000 bytes, there is crash everytime after successful req/reply of about 250packets. Here is the oops message i got, Machine check in kernel mode. Caused by (from SRR1=9032): Unknown values in msr Oops: machine check, sig: 7 NIP: C56784CC XER: C000197F LR: C567849C SP: C0129E20 REGS: c0129d70 TRAP: 0200 MSR: 00009032 EE: 1 PR: 0 FP: 0 ME: 1 IR/DR: 11 TASK = c0128010[0] 'swapper' Last syscall: 120 last math 00000000 last altivec 00000000 GPR00: 00000498 C0129E20 C0128010 00000000 8000001C 000002C1 00000000 C3CA8800 GPR08: 80000036 00000100 00000498 00003637 35F33F93 1001B8DC FF76FFDF BFBBFE7F GPR16: FFFFFDFF BFFFFFFF FFEFFFFF FFFFFEFF 00001032 00129EF0 00000000 00000036 GPR24: 00000018 00000000 000005D8 C3F87604 C3CA8C98 C3F87400 8000001C 0000001C Call backtrace: C567849C C5676A78 C5674D94 C0003904 C0003A30 C0002810 C0003F84 C0003F98 C01367C0 C00021E4 Kernel panic: Aiee, killing interrupt handler In interrupt handler - not syncing Rebooting in 180 seconds.. any idea why there is a crash?. thanks in advance for all inputs, Naren ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/