lkml.org 
[lkml]   [2020]   [Apr]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: compaction: VM_BUG_ON_PAGE(!zone_spans_pfn(page_zone(page), pfn))
From
Date


> On Apr 26, 2020, at 10:41 AM, Mike Rapoport <rppt@linux.ibm.com> wrote:
>
> Hi,
>
> On Thu, Apr 23, 2020 at 05:25:56PM -0400, Qian Cai wrote:
>> Compaction starts to crash below on linux-next today. The faulty page belongs to Node 0 DMA32 zone.
>> I’ll continue to narrow it down, but just want to give a headup in case someone could beat me to it.
>>
>> Debug output from free_area_init_core()
>> [ 0.000000] KK start page = ffffea0000000040, end page = ffffea0000040000, nid = 0 DMA
>> [ 0.000000] KK start page = ffffea0000040000, end page = ffffea0004000000, nid = 0 DMA32
>> [ 0.000000] KK start page = ffffea0004000000, end page = ffffea0012000000, nid = 0 NORMAL
>> [ 0.000000] KK start page = ffffea0012000000, end page = ffffea0021fc0000, nid = 4 NORMAL
>>
>> I don’t understand how it could end up in such a situation. There are several recent patches look
>> more related than some others.
>
> Can you please add "mminit_loglevel=4 memblock=debug" to the kernel
> command line?

https://cailca.github.io/files/dmesg.txt
\
 
 \ /
  Last update: 2020-04-27 15:47    [W:0.133 / U:5.880 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site