linux-kernel - Re: [LKP] Re: db57e98d87 ("mm/sparse.c: fix ALIGN() without power of 2 in .."): BUG: kernel reboot-without-warning in early-boot stage, last printk: early console in setup code

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Message-ID: <20200717002729.GA18418@intel.com>
Date:   Fri, 17 Jul 2020 08:27:29 +0800
From:   Philip Li <philip.li@...el.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     kernel test robot <lkp@...el.com>,
        Lecopzer Chen <lecopzer.chen@...iatek.com>,
        Mark-PK Tsai <Mark-PK.Tsai@...iatek.com>,
        Linux Memory Management List <linux-mm@...ck.org>,
        linux-kernel@...r.kernel.org, LKP <lkp@...ts.01.org>
Subject: Re: [LKP] Re: db57e98d87 ("mm/sparse.c: fix ALIGN() without power of
 2 in .."): BUG: kernel reboot-without-warning in early-boot stage, last
 printk: early console in setup code

On Thu, Jul 16, 2020 at 03:06:13PM -0700, Andrew Morton wrote:
> On Thu, 16 Jul 2020 16:32:00 +0800 kernel test robot <lkp@...el.com> wrote:
> 
> > Greetings,
> > 
> > 0day kernel testing robot got the below dmesg and the first bad commit is
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
> > 
> > commit db57e98d87908b8837352abe08515e42752270c1
> > Author:     Lecopzer Chen <lecopzer.chen@...iatek.com>
> > AuthorDate: Mon Sep 23 15:36:24 2019 -0700
> > Commit:     Linus Torvalds <torvalds@...ux-foundation.org>
> > CommitDate: Tue Sep 24 15:54:09 2019 -0700
> > 
> >     mm/sparse.c: fix ALIGN() without power of 2 in sparse_buffer_alloc()
> 
> Are we sure about this?  That patch is a year old - has something
> in the test setup changed to make it visible at this late stage?
sorry, kindly ignore this, this looks like a false positive which
probably due to test environment. We will double check, if any finding
related to kernel, we will provide udpdate.

Thanks

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