Hi Matthew,

thanks a lot...

my driver started working fine once i disabled bus timeouts and
also software watchdog timer. I changed the value in SYPCR
register as 0 and now Machine check Error is solved.

Thanks,
Naren

On Fri, 30 Aug 2002 Matthew Locke wrote :
>
>Narendra wrote:
>
>>
>>Hi All,
>>
>>I am working on WLAN driver for Embedded Planet RPXLITE board
>>on
>>Hard Hat Linux 2.0.
>>
>>When i start a ping session of packet size 1400 or above.
>>Initially it works fine and after responding to around 200
>>packets, there is a machine check error occuring in function
>>in_be16().
>>
>>NIP --- points to the routine where i will be in loop to read
>>the
>>received data.
>>
>>Any idea why this is happening??
>>Is this any problem with Kernel or with Embedded Planet board?
>
>Try disabling bus timeouts.
>
>>
>>
>>Thanks in Advance,
>>Naren
>>
>>Here is the oops message that i get everytime,
>>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..
>>
>>
>>
>
>
>


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