Hello! After kernel 4.7.2 entered Debian unstable, I decided to upgrade the buildds and ran into an apparent regression with the 4.7.x kernels on sun4u machines: [ 89.096150] \|/ ____ \|/ [ 89.096150] "@'/ .. \`@" [ 89.096150] /_| \__/ |_\ [ 89.096150] \__U_/ [ 89.289474] systemd(1): Kernel illegal instruction [#1] [ 89.358183] CPU: 0 PID: 1 Comm: systemd Not tainted 4.7.0-1-sparc64 #1 Debian 4.7.2-1 [ 89.461112] task: fff000023e0ab7c0 ti: fff000023e0ec000 task.ti: fff000023e0ec000 [ 89.559477] TSTATE: 0000004411001600 TPC: 000000000058e49c TNPC: 000000000058e4a0 Y: 00000000 Not tainted [ 89.688722] TPC: <__kmalloc_track_caller+0x13c/0x1e0> [ 89.755048] g0: fff000023e0ec000 g1: 0000000000400000 g2: 0000000000000000 g3: 0000000000000001 [ 89.869429] g4: fff000023e0ab7c0 g5: 000000002a3338fb g6: fff000023e0ec000 g7: 0000000000636500 [ 89.983802] o0: 0000000000000000 o1: 0000000003ffffff o2: 0000000000000000 o3: 0000000000000000 [ 90.098177] o4: 0000000000000000 o5: 0000000000000000 sp: fff000023e0eef01 ret_pc: 000000000058e494 [ 90.217128] RPC: <__kmalloc_track_caller+0x134/0x1e0> [ 90.283462] l0: fff000023e0040e0 l1: fff000023fe42a90 l2: 000c000004893aa0 l3: 0000000000addc00 [ 90.397854] l4: 0000000000b45928 l5: 0000000000000000 l6: 0000000000000101 l7: 00000000026040c0 [ 90.512229] i0: fff000023e0040e0 i1: 00000000024000c0 i2: 00000000005562dc i3: 00000000024000c0 [ 90.626606] i4: 000000000000000b i5: 00000000024000c0 i6: fff000023e0eefb1 i7: 0000000000556268 [ 90.740984] I7: Just reverting the kernel version to 4.6.4 fixes the problem. Attaching the full log. Cheers, Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz@debian.org `. `' Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913