----- Original Message ----- From: "Wolfgang Denk" <w...@denx.de> To: "Thirumalai" <thirumala...@datapatterns.co.in> Cc: <u-boot@lists.denx.de> Sent: Wednesday, May 05, 2010 12:02 PM Subject: Re: [U-Boot] Random problem on MPC8640D based board
> Dear "Thirumalai", > > In message <8f0ecfaa4f2c46928a69de95faf2a...@itd210> you wrote: >> >> We are using MPC8640 in our board. During booting we are getting TRAP 200 >> randomly. Some times it is booting without any issue some times it >> trapped >> into the exception 200 and automatically restarts itself. The PowerPC >> archietecture defines TRAP 200 will be due to some TLB miss and related >> things. Can you please suggest me how to identify the source of the >> issue >> and solve the problem. Sorry. Trap 200 is Machine check exception. Also sometimes we are getting TRAP 300 which is DSI exception. > > Did you try booting Linux on that board? Let me guess: if you tried, > it crashed, right? No. It is not crashing. Linux is booting on this board successfully. Its a random issue. > > I recommend to check the RAM initialization sequence. I bet you see > memory corruption effects. What you meant for memory corruption effects? > > Best regards, > > Wolfgang Denk > > -- > DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel > HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany > Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: w...@denx.de > What can it profit a man to gain the whole world and to come to his > property with a gastric ulcer, a blown prostate, and bifocals? > -- John Steinbeck, _Cannery Row_ > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot