On 07/30/2010 04:26 PM, Ben Greear wrote: > Hello! > > I am trying to use fork/execve to launch other programs running under > valgrind from the parent. > > I'm seeing this in my logs. I know the comment talks about exe with very > large text, but does the ~2MB shown in this printout mean it's > not too large and maybe there is some other reason? > > Is it somehow invalid to run valgrind through fork/execve?
I figured this out: I was running the parent process with --trace-children, and also explicitly running the children under valgrind. Looks like that is a bad idea. If someone wanted to update the UME error message to warn about that case that would be nice as well. Thanks, Ben > > Other apps seem to work fine under valgrind on this system, and > I tried both the standard version that comes with Fedora 11 as well as > today's SVN checkout. > > valgrind: mmap(0x38000000, 2080768) failed in UME with error 22 (Invalid > argument). > valgrind: this can be caused by executables with very large text, data or bss > segments. > valgrind: mmap(0x38000000, 2080768) failed in UME with error 22 (Invalid > argument). > valgrind: this can be caused by executables with very large text, data or bss > segments. > valgrind: mmap(0x38000000, 2080768) failed in UME with error 22 (Invalid > argument). > valgrind: this can be caused by executables with very large text, data or bss > segments. > > > My OS is 64-bit Fedora 11, 12GB RAM, core-i7 processor, etc. I tried under > the 2.6.31 > kernel as well as .34. My kernels are hand built and contain some hacks and > patches, > but hopefully nothing that could influence this. > > > Thanks, > Ben > -- Ben Greear <[email protected]> Candela Technologies Inc http://www.candelatech.com ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ Valgrind-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/valgrind-users
