Dale <rdalek1...@gmail.com> wrote: > wabe wrote: > > Hi folks, > > > > it seems that my system is broken after recompiling everything with > > the new gcc5. > > > > I even cannot execute any command or start new programs. It is also > > not possible to open a terminal or to login on console. > > > > When I type something in an already opened Xterm it says > > "Ungültiger Maschinenbefehl" (in English probably something like > > "invalid machine command"). > > > > On tty12 I can see messages like this: > > > > traps: ls[4055] trap invalid opcode ip:3cd3d91e024 sp:3d6a804abb0 > > error:0 in libc-2.23.so[3cd3d865000+19d000] grsec: Illegal > > instruction occured at 000003cd3d91e026 in /bin/ls[ls:4055] > > uid/euid:0/0 gid/egid:0/0, parent... > > > > kernel is 4.8.17-hardened-r2 > > > > (uname -a is still working). > > > > I don't dare to reboot my system because I'm not sure that it will > > boot. > > > > I don't even know if this email will reach the list, because claws > > mail also dropped some errors about "bogofilter doesn't work". > > > > Any help would really appreciated. > > > > -- > > Regards > > wabe > > > > . > > > > I wonder if this is related. When I did my switch, I hit a point > where I had to start the alt sysreq key sequence. I only had to do > the R and E part to get my console back tho. At the time, I thought > it may just be some weird occurrence but now I wonder if it was > related to some update. Once I got my console and login screen, I > was able to login and carry on, after getting all the services back > running that got killed off. I got the login screen back after > hitting the E part. > > I wonder, will others run into this sort of problem? If so, what is > the best way to get back to normal? For you, rebooting helped. For > me, just starting the alt sysreq did the trick. It makes one wonder.
Hi Dale, thanks for this hint. Although I know about this "magic stuff", I don't even have it enabled in my kernel. At the moment I'm happy that my system is working again so that I can do some other urgent tasks. But I will look closely at these function within the next time. Even when it is not possible to "repair" the system in the case of a crash, it is helpful to be able to write the cache to disk and reboot the system. -- Regards wabe
