On Wed, Mar 9, 2016 at 8:45 PM, Thomas Klausner <[email protected]> wrote: > Hi! > > I have had this kind of reboot about 5 times in the last couple of days: > > Mar 8 16:26:14 yt savecore: reboot after panic: panic: kernel diagnostic > assertion "l->l_nopreempt == 0" failed: file > "/archive/foreign/src/sys/sys/userret.h", line 116 WARNING: SPL NOT LOWERED > ON SYSCALL 16384 24 EXIT ef20f930 6 WARNING: SPL NOT LOWERED ON TRAP EXIT 6 0 > > For some of them, I even have crash dumps: > > (gdb) target kvm netbsd.94.core > 0xffffffff801195a5 in cpu_reboot (howto=howto@entry=260, > bootstr=bootstr@entry=0x0) at > /archive/foreign/src/sys/arch/amd64/amd64/machdep.c:671 > 671 dumpsys(); > (gdb) bt > #0 0xffffffff801195a5 in cpu_reboot (howto=howto@entry=260, > bootstr=bootstr@entry=0x0) at > /archive/foreign/src/sys/arch/amd64/amd64/machdep.c:671 > #1 0xffffffff8081c704 in vpanic (fmt=0xffffffff80e13840 "kernel %sassertion > \"%s\" failed: file \"%s\", line %d ", ap=ap@entry=0xfffffe8154d51e58) > at /archive/foreign/src/sys/kern/subr_prf.c:342 > #2 0xffffffff80b3edb3 in kern_assert (fmt=fmt@entry=0xffffffff80e13840 > "kernel %sassertion \"%s\" failed: file \"%s\", line %d ") > at /archive/foreign/src/sys/lib/libkern/kern_assert.c:51 > #3 0xffffffff8013d0e7 in mi_userret (l=0xfffffe84092b3460) at > /archive/foreign/src/sys/sys/userret.h:116 > #4 userret (l=0xfffffe84092b3460) at ./machine/userret.h:82 > #5 syscall (frame=0xfffffe8154d51f00) at > /archive/foreign/src/sys/arch/x86/x86/syscall.c:184 > #6 0xffffffff80100661 in Xsyscall () > (gdb) fr 3 > #3 0xffffffff8013d0e7 in mi_userret (l=0xfffffe84092b3460) at > /archive/foreign/src/sys/sys/userret.h:116 > 116 KASSERT(l->l_nopreempt == 0); > (gdb) > > I upgraded from a Jan 28 kernel to a March 3 kernel, and I think it > only started afterwards. > > Any ideas? > Thomas
I saw similar panics and my commit at March 7 (if.c,v 1.326) fixed them. So updating your kernel may solve the problem. ozaki-r
