Please send a patch
On Mon, Sep 23, 2019 at 9:58 PM Alistair Francis <[email protected]> wrote: > > On Mon, Sep 23, 2019 at 7:11 PM Khem Raj <[email protected]> wrote: > > > > On Mon, Sep 23, 2019 at 6:39 PM Alistair Francis > > <[email protected]> wrote: > > > > > > On Mon, 2019-09-23 at 17:59 -0700, Alistair Francis wrote: > > > > On Mon, Sep 23, 2019 at 3:40 PM Khem Raj <[email protected]> wrote: > > > > > Alistair, > > > > > > > > > > OE-core qemu upgrade to 4.1 has ended up with regressing musl/riscv > > > > > port. I could pin point it to > > > > > > > > > > https://git.openembedded.org/openembedded-core/commit/?id=50a7dec95618080962e56fd347f505e691b7ad6f > > > > > > > > > > it works fine with 4.0, I havent looked further > > > > > > > > > > To reproduce > > > > > > > > > > build > > > > > MACHINE=qemuriscv64 TCLIBC=musl bitbake core-image-minimal > > > > > TCLIBC=musl runqemu nographic > > > > > > > > Thanks, I can reproduce this and am bisecting QEMU now. > > > > > > This QEMU patch causes the failure. It reverts cleanly on master and > > > that fixes the issue: > > > > > > RISC-V: Clear load reservations on context switch and SC > > > > > > This prevents a load reservation from being placed in one > > > context/process, > > > then being used in another, resulting in an SC succeeding incorrectly > > > and > > > breaking atomics. > > > > > > Signed-off-by: Joel Sing <[email protected]> > > > Reviewed-by: Palmer Dabbelt <[email protected]> > > > Reviewed-by: Richard Henderson <[email protected]> > > > Signed-off-by: Palmer Dabbelt <[email protected]> > > > > > > I'll investigate a full solution tomorrow, in the mean time do you want > > > to just revert the patch? > > > > yes lets use the revert for now, this will give you enough time to > > investigate solution > > since its riscv specific it will be low risk and we can even go to 3.0 > > release with it > > Do you want me to prepare a patch or do you want to do it? > > Alistair > > > > > > > > > Alistair > > > > > > > > > > > Alistair > > > > > > > > > Thanks > > > > > -Khem > > > > > -- > > > > > _______________________________________________ > > > > > Openembedded-core mailing list > > > > > [email protected] > > > > > http://lists.openembedded.org/mailman/listinfo/openembedded-core -- _______________________________________________ Openembedded-core mailing list [email protected] http://lists.openembedded.org/mailman/listinfo/openembedded-core
