On Wed, Sep 26, 2018 at 10:25:22PM +0200, Helge Deller wrote: > On 26.09.2018 21:32, Guenter Roeck wrote: > > On Wed, Sep 26, 2018 at 06:36:08PM +0200, Helge Deller wrote: > >> On 26.09.2018 15:29, Guenter Roeck wrote: > >>> On 09/26/2018 05:09 AM, John David Anglin wrote: > >>>> On 2018-09-25 11:21 PM, Guenter Roeck wrote: > >>>>> This patch causes my parisc qemu tests to fail. > >>>>> Unfortunately I don't have any useful log output; the failure > >>>>> is silent. Reverting the patch fixes the problem. > >>>> Can you be more specific on how to run these tests? > >>> > >>> Sorry. Please see > >>> > >>> https://github.com/groeck/linux-build-test/tree/master/rootfs/parisc > >>> > >>> My tests enable a number of device and debug options on top of defconfig. > >>> Those are not necessary, though. The problem can be reproduced with defconfig. > >>> > >>> With the initrd available from there, and with an image built using 'defconfig', > >>> run > >>> > >>> qemu-system-hppa \ > >>> -kernel vmlinux -no-reboot \ > >>> -initrd rootfs.cpio.gz \ > >>> -append 'rdinit=/sbin/init console=ttyS0,115200' \ > >>> -nographic -monitor null > >>> > >>> I tested with qemu 2.12 and 3.0. Using "arch/parisc/boot/bzImage" as kernel > >>> image does not make a difference. > >>> > >>> Note: The initrd auto-reboots. To avoid that, add "noreboot" as additional > >>> command line option. > >> > >> You didn't mention which kernel version you were using. > > > > Sorry. The patch is only available in -next, so I somehow thought it was > > obvious that I referred to -next. Mainline as of v4.19-rc5-143-gc307aaf3eb47 > > is fine. However, I do observe the problem in mainline after applying this > > patch on top of c307aaf3eb47. I also see the problem with your for-next > > branch. > > I tried my -for-next on top of c307aaf3eb47 too -> no issues. > Did you try a non-SMP configuration ? Thanks, Guenter
