Messages in this thread | | | From | Atish Patra <> | Date | Thu, 22 Jul 2021 01:35:23 -0700 | Subject | Re: [PATCH -next v2] riscv: add VMAP_STACK overflow detection |
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On Wed, Jul 21, 2021 at 11:12 PM Palmer Dabbelt <palmer@dabbelt.com> wrote: > > On Mon, 19 Jul 2021 00:23:06 PDT (-0700), schwab@linux-m68k.org wrote: > > On Jul 19 2021, tongtiangen wrote: > > > >> On 2021/7/17 14:55, Andreas Schwab wrote: > >>> Please use > >>> https://download.opensuse.org/repositories/home:/Andreas_Schwab:/riscv:/jeos/images/openSUSE-Tumbleweed-RISC-V-JeOS-efi.riscv64.raw.xz > >>> and run it in qemu with u-boot as kernel. > >>> > >>> Andreas. > >>> > >> > >> Hi andreas: > >> I used today's latest mainline code and .config provided by you, and I > >> can't reproduce this panic. > > > > Did you test it like I said above? > > > > Andreas. > > I'm getting this on and off, with just > > CONFIG_VMAP_STACK=y > > on top of defconfig, when running on QEMU. It's not showing up right > now: I'd thought it was an issue with that initrd patch, but it went > away when I re-ran the tests so I'm guessing it's something > non-deterministic. I'll try to take a look if it comes back. >
I got it very frequently on beagleV with the following branch & config. https://github.com/esmil/linux/commits/beaglev
beaglev_defconfig
Disabling CONFIG_VMAP_STACK avoids the crash.
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-- Regards, Atish
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