Dear Felix Radensky, In message <4a869531.2090...@embedded-sol.com> you wrote: > > Thanks for clarifying. This platform has 512MB of RAM. > The stack pointer is at 0x1fe2df48. Test works fine with upper > limit set to 0x1fd2df48.
I recommend to set CONFIG_SYS_MEMTEST_END to 0x1F000000, then. > For some reason I cannot set lower limit to 0x00000000. > The lowest working address is 0x00000a98. At 0x00000a97 > the test hangs, and at 0x00000a96 I get the following crash: Indeed. The exception vectors are located there, and as soon as you overwrite these the next timer interrupt will crash your system. > Can you (or Kumar) please explain what's going on here ? Set CONFIG_SYS_MEMTEST_START to 0x0010000 or so. 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 The only perfect science is hind-sight. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot