Comment 4 for bug 1814874

Revision history for this message
In , akpm (akpm-linux-kernel-bugs) wrote :

(switched to email. Please respond via emailed reply-to-all, not via the
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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
>
> 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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