On Fri, Dec 09, 2016 at 01:03:44PM +0000, Ben Hutchings wrote: > On Fri, 2016-12-09 at 01:18 -0300, Ricardo Fabian Peliquero wrote: > > from: linux-image-4.8.0-1-amd64-unsigned:amd64 (4.8.5-1) > > to: linux-image-4.9.0-rc8-amd64-unsigned:amd64 (4.9~rc8-1~exp1) > > and installing mingetty(8) > > the system is booting well (e.g. without kernel panic). > > > > But the following errors appeared for ttys using these lines in > > /etc/inittab: > > > > 2:23:respawn:/sbin/fgetty tty2 > > # Produces error. Output: > > [ 14.741345] fgetty[1309] vsyscall attempted with vsyscall=none > > ip:ffffffffff600400 cs:33 sp:7ffcb7dbade0 ax:ff[ 14.753469] fgetty[1309]: > > segfault at ffffffffff600400 ip ffffffffff600400 sp 00007ffcb7dbade0 error > > 15 > > ... > > INIT: Id "2" respawning too fast: disabled for 5 minutes > > > > 3:23:respawn:/sbin/ngetty 3 > > # Produces error. Output: > > [ 14.670134] ngetty-helper[1311] vsyscall attempted with vsyscall=none > > ip:ffffffffff600400 cs:33 sp:7ffca011e1a[ 14.684298] ngetty-helper[1311]: > > segfault at ffffffffff600400 ip ffffffffff600400 sp 00007ffca011e1a0 error > > 15 > > fgetty uses dietlibc, and the stable version of dietlibc still uses the > vsyscall feature which is now disabled by default. You can make it > work again by adding 'vsyscall=emulate' to the kernel command line. > > I'll have to reconsider whether to revert the configuration change now > that I know dietlibc is a problem.
Your suggestion worked here. I will be using vsyscall emulation option appended to lilo.conf until better resolution. Thank you! Ricardo

