On Saturday 23 June 2007 07:12:39 Stefan Weil wrote: > Rob Landley schrieb: > > Ok, it's a more fundamental problem: > > > > [EMAIL PROTECTED]:/sys$ qemu-i386 > > Segmentation fault (core dumped) > > > > Nothing to do with the program it's trying to run, it segfaults with no > > arguments. > > > > Is anybody else seeing this? > > > > Rob > > Yes, I see this on Debian Linux since several months (libc update?).
Ubuntu 7.04 is using glibc-2.5. > The crash is caused by libc startup code which calls a null pointer. > QEMU provides this null pointer with the __init_array_start > workaround in linux-user/main.c. What exactly is this working around, anyway? There are comments in the code that it's doing something fancy (being both a shared library and an executable, I think) but I'm not sure why... > This can be fixed with some kind of code hack - see my patch > (which is not really a solution, but one more workaround). I applied your patch and still got the segfault. > Nevertheless user mode emulations remains unusable even > with this patch because of TLS problems. That I know how to work around. Set the environment variable LD_ASSUME_KERNEL=2.4.1 and glibc won't try to use TLS. > Regards, > Stefan Rob -- "One of my most productive days was throwing away 1000 lines of code." - Ken Thompson.
