Am 16.03.2015 um 14:23 schrieb Toralf Förster: > On 03/15/2015 05:56 PM, Richard Weinberger wrote: >> Then please move the hardened gcc to /dev/null. ;-) > > yes, at least to compile the UML linux > >> If you can tell me what hardening feature is the root cause I can think of a >> solution. > Will be a longer way I fear. > Every 2nd or 3rd attempt the UML guest hangs during boot, an immediate > attempt works - so really hard to dig into the root cause. > > But I'll try it.
I did some further investigation. The root cause of the gentoo hardened system seems to be the hardened libc. As soon a UML kthread issues a syscall on the host side UML dies. At least on my PC I can build and run UML with the hardened gcc. But running any UML on a hardened base system (libc) fails badly. > In moment my biggest problem is, that I get the following error as soon as I > try to send out an network package from eth0 (DHCP works, but the first ping > to an ip address outside triggers the error): Does this also happen on a regular system? Because here networking works fine. Thanks, //richard ------------------------------------------------------------------------------ Dive into the World of Parallel Programming The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
