Hi,
Den tis 6 nov. 2018 kl 22:48 skrev Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>:
(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 bugzilla-daemon@xxxxxxxxxxxxxxxxxxx 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: akpm@xxxxxxxxxxxxxxxxxxxx
> Reporter: jagannathante@xxxxxxxxx
> Regression: No
>
> Created attachment 279297
> --> https://bugzilla.kernel.org/attachment.cgi?id=279297&action="">
> 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.
>
> --
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> You are the assignee for the bug.
