[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2019-02-14 Thread Andy Whitcroft
This bug was erroneously marked for verification in bionic; verification is not required and verification-needed-bionic is being removed. ** Tags added: verification-done-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2019-02-14 Thread Andy Whitcroft
** Tags removed: verification-needed-bionic ** Tags added: kernel-fixup-verification-needed-bionic -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title: ubuntu_zram_smoke test

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2019-02-14 Thread Brad Figg
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- bionic' to 'verification-done-bionic'. If the problem still exists, change the tag

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-04-23 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 4.13.0-39.44 --- linux (4.13.0-39.44) artful; urgency=medium * linux: 4.13.0-39.44 -proposed tracker (LP: #1761456) * intel-microcode 3.20180312.0 causes lockup at login screen(w/ linux- image-4.13.0-37-generic) (LP: #1759920) //

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-04-17 Thread Manoj Iyer
-- before proposed -- Ubuntu 17.10 (GNU/Linux 4.13.0-38-generic aarch64) ubuntu@anuchin:~$ sudo bash root@anuchin:~# modprobe zram root@anuchin:~# echo 1 > /sys/block/zram0/reset root@anuchin:~# echo deflate > /sys/block/zram0/comp_algorithm root@anuchin:~# echo 128M > /sys/block/zram0/disksize

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-04-13 Thread Launchpad Bug Tracker
This bug was fixed in the package linux - 4.15.0-15.16 --- linux (4.15.0-15.16) bionic; urgency=medium * linux: 4.15.0-15.16 -proposed tracker (LP: #1761177) * FFe: Enable configuring resume offset via sysfs (LP: #1760106) - PM / hibernate: Make passing hibernate offsets

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-04-10 Thread Brad Figg
This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- artful' to 'verification-done-artful'. If the problem still exists, change the tag

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-29 Thread Kleber Sacilotto de Souza
** Changed in: linux (Ubuntu Artful) Status: In Progress => Fix Committed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title: ubuntu_zram_smoke test will cause soft

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-29 Thread Kleber Sacilotto de Souza
** Changed in: linux (Ubuntu Artful) Status: New => In Progress ** Changed in: linux (Ubuntu Artful) Assignee: (unassigned) => Paolo Pisati (p-pisati) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-29 Thread Jan Glauber
Patches posted: https://marc.info/?l=linux-kernel=152224242828223=2 https://marc.info/?l=linux-kernel=152224242228218=2 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title:

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-28 Thread Po-Hsu Lin
Can be reproduced with X-hwe on ThunderX as well. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-27 Thread Thadeu Lima de Souza Cascardo
** Also affects: linux (Ubuntu Bionic) Importance: Undecided Assignee: Paolo Pisati (p-pisati) Status: Confirmed ** Also affects: linux (Ubuntu Artful) Importance: Undecided Status: New ** Changed in: linux (Ubuntu Bionic) Status: Confirmed => Fix Committed --

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-27 Thread Paolo Pisati
** Description changed: + == SRU Justification == + + Enabling virtual mapped kernel stacks breaks the thunderx_zip driver. On + compression or decompression the executing CPU hangs in an endless loop. + The reason for this is the usage of __pa() by the driver that does not + work for an address

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-26 Thread Ubuntu Foundations Team Bug Bot
** Tags added: patch -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64 Status in linux package in

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-26 Thread Jan Glauber
This is a regression caused by CONFIG_VMAP_STACK. The driver uses __pa (phys_to_virt) on a stack address which does not work with virtual mapped stacks. To solve this upstream will require a bit more work, I'm attaching a minimal patch to work-around by using kmalloc for the problematic

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-23 Thread Jan Glauber
I can reproduce this issue with 4.13.0-37-generic. The debugfs info for the zip driver shows that 2 requests are pending. Either the requests are not submitted properly (Decomp Req Submitted=0) or not completed (DOORBELL regs = 0). root@crb1s:/sys/kernel/debug/thunderx_zip# cat zip_stats

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-15 Thread Paolo Pisati
Ok, i tested it on another board (seuss) with 4.14.27, 4.15.10 and 4.16-rc4: 4.14.0: affected 4.14.27: affected 4.15.10: affected 4.16-rc: doesn't boot at all, so i can't tell so we can rule out the bad hardware variable, and we can say for sure that is not related to kpti at all. Another

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-14 Thread Paolo Pisati
Ok, here is what i found so far: the problem lies in the 'thunderx_zip' driver, that is the driver for the hw accelerated zip compressor / decompressor ip block - it kicks in once we select the deflate method for the zram device. How way to reproduce it: # modprobe zram # echo 1 >

[Kernel-packages] [Bug 1755073] Re: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64

2018-03-12 Thread Po-Hsu Lin
Tested with a Moonshot system, this ubuntu_zram_smoke test can pass with Artful kernel. So this matches ppisati's finding in comment #5 ** Summary changed: - ubuntu_zram_smoke test will cause soft lockup on Artful ARM64 kernel + ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX