On Tue, Mar 12, 2019 at 10:55:27PM +0500, Mikhail Gavrilov wrote:
> Hi folks.
> I am observed kernel panic after updated to git commit 610cd4eadec4.
> I am did not make git bisect because this crashes occurs spontaneously
> and I not have exactly instruction how reproduce it.
>
> Hope backtrace below could help understand how fix it:
>
> page:ffffef46607ce000 is uninitialized and poisoned
> raw: ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff
> raw: ffffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffff
> page dumped because: VM_BUG_ON_PAGE(PagePoisoned(p))
> ------------[ cut here ]------------
> kernel BUG at include/linux/mm.h:1020!
> invalid opcode: 0000 [#1] SMP NOPTI
> CPU: 1 PID: 118 Comm: kswapd0 Tainted: G C
> 5.1.0-0.rc0.git4.1.fc31.x86_64 #1
> Hardware name: System manufacturer System Product Name/ROG STRIX
> X470-I GAMING, BIOS 1201 12/07/2018
> RIP: 0010:__reset_isolation_pfn+0x244/0x2b0
This is new code, from e332f741a8dd1 ("mm, compaction: be selective about what
pageblocks to clear skip hints"), so I added some folks.
Can you show
$LINUX/scripts/faddr2line path/to/vmlinux __reset_isolation_pfn+0x244
?
