linux-kernel - Re: [auxdisplay] b26deabb1d: BUG:kernel_NULL_pointer

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Date:   Mon, 9 Nov 2020 13:40:03 +0100
From:   Lars Poeschel <poeschel@...onage.de>
To:     kernel test robot <oliver.sang@...el.com>
Cc:     Miguel Ojeda <ojeda@...nel.org>, kernel test robot <lkp@...el.com>,
        Willy Tarreau <w@....eu>, LKML <linux-kernel@...r.kernel.org>,
        Linux Memory Management List <linux-mm@...ck.org>,
        lkp@...ts.01.org
Subject: 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 ?

Thanks,
Lars