Updating src tree:
P src/doc/CHANGES
P src/external/gpl3/binutils.old/dist/ld/configure.tgt
P src/external/mit/xorg/lib/freetype/Makefile
P src/external/mpl/dhcp/dist/common/dispatch.c
P src/sys/arch/aarch64/conf/Makefile.aarch64
P src/sys/arch/arm/conf/Makefile.arm
P src/sys/arch/x86/pci/amdsmn.
Taylor R Campbell writes:
[snip]
> I don't know what the sparc timecounter frequency is, but the Xen
> system timecounter returns units of nanoseconds, i.e., runs at 1 GHz,
> well within these bounds. So this kind of wraparound leading to
> apparently negative runtime -- that is, l->l_stime goi
> Date: Thu, 27 Jul 2023 15:05:23 +1000
> from: matthew green
>
> one problem i've seen in kern_tc.c when the timecounter returns
> a smaller value is that tc_delta() ends up returning a very large
> (underflowed) value, and that makes the consumers of it do a very
> wrong thing. eg, -2 becomes
Taylor R Campbell writes:
> Can you please try running with the attached patch and share the
> warnings it produces? Should give slightly more information.
I applied the patch and caught this:
[ 76783.161208] WARNING: lwp 16 (system idle/1) flags 0xa020: timecounter
went backwards from (7
