Launchpad has imported 6 comments from the remote bug at https://bugzilla.kernel.org/show_bug.cgi?id=201603.
If you reply to an imported comment from within Launchpad, your comment will be sent to the remote bug automatically. Read more about Launchpad's inter-bugtracker facilities at https://help.launchpad.net/InterBugTracking. ------------------------------------------------------------------------ On 2018-11-02T10:41:46+00:00 jagannathante wrote: Created attachment 279297 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. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/0 ------------------------------------------------------------------------ On 2018-11-06T12:28:15+00:00 enelar wrote: Created attachment 279341 Log before kernel panic and after hard reset Arch+deepin+systemd-swap zswap_enabled=1 zswap_compressor=lzo zswap_max_pool_percent=5 zswap_zpool=z3fold zram_enabled=1 zram_size=$(($RAM_SIZE*1/10)) zram_streams=$NCPU zram_alg=lz4 zram_prio=32767 Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/1 ------------------------------------------------------------------------ On 2018-11-06T21:48:41+00:00 akpm wrote: (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 protected] 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 protected] > Reporter: [email protected] > 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. > > -- > You are receiving this mail because: > You are the assignee for the bug. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/2 ------------------------------------------------------------------------ On 2018-11-06T22:10:44+00:00 vitalywool wrote: Created attachment 279353 attachment-22937-0.html Hi, Den tis 6 nov. 2018 kl 22:48 skrev Andrew Morton <[email protected] >: > > (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 protected] > 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 protected] > > Reporter: [email protected] > > 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. > Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/3 ------------------------------------------------------------------------ On 2018-11-07T01:40:55+00:00 enelar wrote: 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 protected] wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=201603 > > --- Comment #3 from Vitaly ([email protected]) --- > Hi, > Den tis 6 nov. 2018 kl 22:48 skrev Andrew Morton < > [email protected] > >: > > > > > (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 protected] > > 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 protected] > > > Reporter: [email protected] > > > 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. Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/4 ------------------------------------------------------------------------ On 2019-02-06T09:16:54+00:00 imwellcushtymelike wrote: Any update on this and does anyone know if this is a regression? Reply at: https://bugs.launchpad.net/ubuntu/+source/linux-signed- hwe/+bug/1814874/comments/5 ** Changed in: linux Status: Unknown => Confirmed ** Changed in: linux Importance: Unknown => High ** Bug watch added: Linux Kernel Bug Tracker #198585 https://bugzilla.kernel.org/show_bug.cgi?id=198585 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1814874 Title: NULL pointer dereference when using z3fold and zswap To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1814874/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
