Comment 6 for bug 1814874

Created attachment 279367
attachment-27234-0.html

Additional to original report I have
kernel BUG at mm/zswap.c:1175
(please take a look at my log)
Will test patch tomorrow

On Wed, Nov 7, 2018, 1:10 AM <<email address hidden> wrote:

> https://bugzilla.kernel.org/show_bug.cgi?id=201603
>
> --- Comment #3 from Vitaly (<email address hidden>) ---
> Hi,
> Den tis 6 nov. 2018 kl 22:48 skrev Andrew Morton <
> <email address hidden>
> >:
>
> >
> > (switched to email. Please respond via emailed reply-to-all, not via the
> > bugzilla web interface).
> >
> > On Fri, 02 Nov 2018 10:41:46 +0000 <email address hidden>
> > wrote:
> >
> > > https://bugzilla.kernel.org/show_bug.cgi?id=201603
> > >
> > > Bug ID: 201603
> > > Summary: NULL pointer dereference when using z3fold and
> zswap
> > > Product: Memory Management
> > > Version: 2.5
> > > Kernel Version: 4.18.16
> > > Hardware: All
> > > OS: Linux
> > > Tree: Mainline
> > > Status: NEW
> > > Severity: high
> > > Priority: P1
> > > Component: Page Allocator
> > > Assignee: <email address hidden>
> > > Reporter: <email address hidden>
> > > Regression: No
> > >
> > > Created attachment 279297
> > > --> https://bugzilla.kernel.org/attachment.cgi?id=279297&action=edit
> > > dmesg log of crash
> >
> >
> Basing on what I see in dmesg, it is highly likely to get fixed by
> https://lkml.org/lkml/2018/11/5/726. Could you please apply/retest?
>
> Best regards,
> Vitaly
>
> > > This happens mostly during memory pressure but I am not sure how to
> > trigger it
> > > reliably. I am attaching the full log.
> > >
> > > This is the kernel commandline
> > >
> > > >BOOT_IMAGE=../vmlinuz-linux
> > root=UUID=57274b3a-92ab-468e-b03a-06026675c1af rw
> > > >rd.luks.name=92b4aeb2-fb97-45c1-8a60-2816efe5d57e=home
> > resume=/dev/mapper/home
> > > >resume_offset=42772480 acpi_backlight=video zswap.enabled=1
> > zswap.zpool=z3fold
> > > >zswap.max_pool_percent=5 transparent_hugepage=madvise
> > scsi_mod.use_blk_mq=1
> > > >vga=current initrd=../intel-ucode.img,../initramfs-linux.img
> > >
> > > I found this bug https://bugzilla.kernel.org/show_bug.cgi?id=198585 to
> > be very
> > > similar but the proposed fix has not been merged so I can't be sure if
> > it will
> > > fix the issue I am having.
> > >
> > > --
> > > You are receiving this mail because:
> > > You are the assignee for the bug.
> >
>
> --
> You are receiving this mail because:
> You are on the CC list for the bug.