Re: [LKP] Re: [auxdisplay] b26deabb1d: BUG:kernel_NULL_pointer_dereference,address

From: Lars Poeschel
Date: Mon Nov 16 2020 - 05:05:36 EST


On Thu, Nov 12, 2020 at 01:29:31PM +0000, Sang, Oliver wrote:
>
>
> > -----Original Message-----
> > From: Lars Poeschel <poeschel@xxxxxxxxxxx>
> > Sent: Monday, November 9, 2020 8:40 PM
> > To: Sang, Oliver <oliver.sang@xxxxxxxxx>
> > Cc: Miguel Ojeda <ojeda@xxxxxxxxxx>; lkp <lkp@xxxxxxxxx>; Willy Tarreau
> > <w@xxxxxx>; LKML <linux-kernel@xxxxxxxxxxxxxxx>; Linux Memory
> > Management List <linux-mm@xxxxxxxxx>; lkp@xxxxxxxxxxxx
> > Subject: [LKP] Re: [auxdisplay] b26deabb1d:
> > BUG:kernel_NULL_pointer_dereference,address
> >
> > Hi!
> >
> > And thanks for your report.
> >
> > On Mon, Nov 09, 2020 at 02:29:34PM +0800, kernel test robot wrote:
> >
> > > To reproduce:
> > >
> > > # build kernel
> > > cd linux
> > > cp config-5.10.0-rc2-00008-gb26deabb1d91 .config
> > > make HOSTCC=gcc-9 CC=gcc-9 ARCH=i386 olddefconfig prepare
> > > modules_prepare bzImage
> > >
> > > git clone https://github.com/intel/lkp-tests.git
> > > cd lkp-tests
> > > bin/lkp qemu -k <bzImage> job-script # job-script is attached
> > > in this email
> >
> > Trying to reproduce your issue:
> >
> > LANG=C bin/lkp qemu -k ~/projekte/linux-stable/arch/x86_64/boot/bzImage
> > /tmp/job-script
> > result_root: /home/larsi/.lkp//result/trinity/300s/vm-snb-i386/yocto-i386-
> > minimal-20190520.cgz/i386-randconfig-a002-20201105/gcc-
> > 9/b26deabb1d915fe87d395081bbd3058b938dee89/6
> > downloading initrds ...
> > /usr/bin/wget -q --timeout=1800 --tries=1 --local-encoding=UTF-8
> > https://download.01.org/0day-ci/lkp-qemu/osimage/yocto/yocto-i386-
> > minimal-20190520.cgz -N -P /home/larsi/.lkp/cache/osimage/yocto
> > 17916 blocks
> > /usr/bin/wget -q --timeout=1800 --tries=1 --local-encoding=UTF-8
> > https://download.01.org/0day-ci/lkp-qemu/osimage/pkg/yocto-i386-minimal-
> > 20190520.cgz/trinity-i386.cgz -N -P /home/larsi/.lkp/cache/osimage/pkg/yocto-
> > i386-minimal-20190520.cgz
> > Failed to download osimage/pkg/yocto-i386-minimal-20190520.cgz/trinity-
> > i386.cgz
> >
> > It seems, that the trinity-i386.cgz file is not downloadable. Using a webbrowser I
> > can see an empty directory.
> > Can you help please ?
>
> sorry for this. just uploaded. https://download.01.org/0day-ci/lkp-qemu/osimage/pkg/yocto-i386-minimal-20190520.cgz/trinity-i386.cgz
> could you try again?

It is working now and I can reproduce the error.
Thank you!