ppclinux at sundmangroup.com wrote: > Hello, > I have a Freescale-PPC8270 ( Former Motorola ) based board with 256Megs of > RAM. > > I am using the Montavista Vista Kernel 2.4.20. > > When the system is handling larger files ~100M when NFS mounted and ~20M > when RAMDISKed the kernel crashes since things are being overwritten in > memory. > > The crash happens when handling/creating large files by measn of e.g. > * dd > * gunzip > * sftp download > etc. it seems to be a general memory handling problem. > > When looking at the memory though there are plenty of free space, or there > should be plenty of free space but for some reason things are > overwritten... > > The Kernel reports actually 256M of memory. Top also shows that there is o > r should be more than enough free memory for the operations I am trying to > pull :-)) > > Can you give me suggestions where to start digging into this problem? > > Best Regards // Matias
Your SDRAM initialization is suspect http://www.denx.de/twiki/bin/view/DULG/LinuxCrashesRandomly http://www.denx.de/twiki/bin/view/DULG/SDRAM http://www.denx.de/twiki/bin/view/DULG/UBootCrashAfterRelocation gvb
