[Kernel-packages] [Bug 131094] Re: Heavy Disk I/O harms desktop responsiveness

2015-10-06 Thread ChristianEhrhardt
Hi AZ, thanks for your feedback. >> IMHO if something overloads your machine with disk I/O it has to stall it. > This is a bit tricky, because overload means that the machine will be able > not complete all task in the time given, i.e. tasks will accumulate until the > resources are exhausted.

[Kernel-packages] [Bug 131094] Re: Heavy Disk I/O harms desktop responsiveness

2015-10-01 Thread ChristianEhrhardt
It might not be good to stir up such an old bug, but it gets regularly updated and new complains so maybe a new approach might help. So let us make one thing clear, IMHO if something overloads your machine with disk I/O it has to stall it. So the solutions paths are more like this: a) beat it

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-06-13 Thread ChristianEhrhardt
Of course, tested "4.7.0-040700rc3_4.7.0-040700rc3.201606121131", still broken. ** Tags added: kernel-bug-exists-upstream -- 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/1590650 Title:

[Kernel-packages] [Bug 1592042] Re: Unable to start guests with memballoon default.

2016-06-14 Thread ChristianEhrhardt
It is a kernel patch, so trying to fix the package assigning that was done. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New ** No longer affects: libvirt (Ubuntu) ** Project changed: libvirt => kernel -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1590650] [NEW] Noisy white turquoise shadows in colors and since Xenial

2016-06-09 Thread ChristianEhrhardt
Public bug reported: Hi, since the upgrade to Xenial I've had graphic issues on my NAS/HTPC box. All white is rendered as a noisy grey, and colors have a bunch of bright turquoise pixels. Back then I've reverted to the old 4.2.0-35 kernel I had before and things were fine. The recent update to

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-06-09 Thread ChristianEhrhardt
** Attachment added: "camera image showing the issue II" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590650/+attachment/4680165/+files/noisy-colors-2-pic.jpg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-06-09 Thread ChristianEhrhardt
** Attachment added: "camera image showing the issue" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590650/+attachment/4680164/+files/noisy-colors-1-pic.jpg -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-06-09 Thread ChristianEhrhardt
** Attachment added: "screenshot not showing the issue" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590650/+attachment/4680166/+files/noisy-colors-1-screenshot.png -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-06-09 Thread ChristianEhrhardt
** Attachment added: "screenshot not showing the issue II" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1590650/+attachment/4680167/+files/noisy-colors-2-screenshot.png -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in

[Kernel-packages] [Bug 1592930] Re: failures building userspace packages that include ethtool.h

2016-06-24 Thread ChristianEhrhardt
FYI - hit the same when building openvswitch in an yakkety sbuild env In file included from ../lib/netdev-linux.c:30:0: /usr/include/linux/ethtool.h: In function ‘ethtool_validate_speed’: /usr/include/linux/ethtool.h:1321:18: error: ‘INT_MAX’ undeclared (first use in this function) return

[Kernel-packages] [Bug 1532571] ProcCpuinfo.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "ProcCpuinfo.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551755/+files/ProcCpuinfo.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] UdevLog.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "UdevLog.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551762/+files/UdevLog.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] ProcModules.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "ProcModules.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551758/+files/ProcModules.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] Lsusb.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "Lsusb.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551754/+files/Lsusb.txt -- 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/1532571

[Kernel-packages] [Bug 1532571] ProcEnviron.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "ProcEnviron.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551756/+files/ProcEnviron.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] IwConfig.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "IwConfig.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551752/+files/IwConfig.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] Lspci.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "Lspci.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551753/+files/Lspci.txt -- 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/1532571

[Kernel-packages] [Bug 1532571] UdevDb.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "UdevDb.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551761/+files/UdevDb.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] Re: kvm crashes host kernel on trusty+hwe-w (unable to handle kernel paging request in __mtrr_lookup_var_next)

2016-01-17 Thread ChristianEhrhardt
While - as initially reported - I doubt that we need the apport data. I still added a full apport-collect to make the bot and process happy. Also seeing that there are equal reports to Debian with 4.2 kernels I set it to confirmed. -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1532571] ProcInterrupts.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "ProcInterrupts.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551757/+files/ProcInterrupts.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] Re: kvm crashes host kernel on trusty+hwe-w (unable to handle kernel paging request in __mtrr_lookup_var_next)

2016-01-17 Thread ChristianEhrhardt
apport information ** Tags added: apport-collected ** Description changed: When building the test environment for subiquity I end up with an image I can run with qemu/kvm. And I realized that this works fine with the Trusty kernel (Host), but when running on trusty+hwe-t

[Kernel-packages] [Bug 1532571] WifiSyslog.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "WifiSyslog.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551763/+files/WifiSyslog.txt ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1532571] CurrentDmesg.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "CurrentDmesg.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551751/+files/CurrentDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] RfKill.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "RfKill.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551760/+files/RfKill.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] AudioDevicesInUse.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "AudioDevicesInUse.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551748/+files/AudioDevicesInUse.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] PulseList.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "PulseList.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551759/+files/PulseList.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] BootDmesg.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "BootDmesg.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551749/+files/BootDmesg.txt -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1532571] CRDA.txt

2016-01-17 Thread ChristianEhrhardt
apport information ** Attachment added: "CRDA.txt" https://bugs.launchpad.net/bugs/1532571/+attachment/4551750/+files/CRDA.txt -- 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/1532571

[Kernel-packages] [Bug 1592930] Re: failures building userspace packages that include ethtool.h

2016-06-27 Thread ChristianEhrhardt
Hi, sorry for the noise - it seems it was as easy as missing a recent "sbuild-update -udcar" for the yakkety env (which I avoided for a while due to another issue). Building fine now - thanks for the check Andy. -- You received this bug notification because you are a member of Kernel Packages,

[Kernel-packages] [Bug 1532571] Re: kvm crashes host kernel on trusty+hwe-w (unable to handle kernel paging request in __mtrr_lookup_var_next)

2016-01-27 Thread ChristianEhrhardt
Hi Joseph, yes the 4.2.8 seems to have the fix has well. Any tag like kernel-fixed-upstream-stable for that? -- 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/1532571 Title: kvm crashes

[Kernel-packages] [Bug 1532571] Re: kvm crashes host kernel on trusty+hwe-w (unable to handle kernel paging request in __mtrr_lookup_var_next)

2016-01-21 Thread ChristianEhrhardt
Tested: linux-image-4.4.0-040400-generic4.4.0-040400.201601101930 No more crashing the system with that ** Tags added: kernel-fixed-upstream -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1536245] Re: s390x kernel image needs weightwatchers

2016-01-20 Thread ChristianEhrhardt
Reference other s390 (RH based z/KVM) -rwxr-xr-x. 1 root root 3.7M Aug 28 13:00 /boot/vmlinuz-3.10.0-123.20.1.el7_0.kvmibm.15.s390x -- 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/1536245

[Kernel-packages] [Bug 1559784] Re: zFCP on s390x problems on zfcp module unloading

2016-03-23 Thread ChristianEhrhardt
modinfo zfcp; for i in {1..1000}; do echo "Try $i"; modprobe zfcp; lsmod | grep -q zfcp && echo ok-here; rmmod zfcp; lsmod | grep zfcp || echo ok-gone; done filename: /lib/modules/4.4.0-15-generic/kernel/drivers/s390/scsi/zfcp.ko license:GPL description:FCP HBA driver author:

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-14 Thread ChristianEhrhardt
nce: Undecided => Medium ** Changed in: dpdk (Ubuntu) Assignee: (unassigned) => ChristianEhrhardt (paelzer) -- 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/1570195 Title: Network t

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-27 Thread ChristianEhrhardt
** Tags removed: verification-needed ** Tags added: verification-done -- 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/1570195 Title: Net tools cause kernel soft lockup after DPDK touched

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-26 Thread ChristianEhrhardt
FYI - Verified in Proposed. Next I need to prep some Y tests to reasonably request an upload to Yakkety to allow migration as Martin indicated. ** Tags added: verification-done-xenial -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-26 Thread ChristianEhrhardt
Xenial is released, so we are back in SRU mode. Therefore I add the matching SRU Template for the upload of 2.2.0ubuntu8 which is in the unapproved queue atm. [Impact] * using devices by DPDK and the kernel at once drives the system into hangs * the fix avoids using devices in DPDK that are

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Breaking on the two check functions and the calling one to see where things break: b virtnet_send_command # virtqueue_get_buf gets hit by __do_softirq -> napi_poll -> virtnet_poll -> virtnet_receive -> virtqueue_get_buf all the time. Need to keep that disabled and step INTO from

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Before going into discussions how it "should" be I added more debug code and gatherered some good case vs bad case data. First of all it is "ok" to have no more buffers. I had a prink in a codepath that only triggers when !more_used triggers. And I've seen plentry for all kind of idx values. On

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
** Patch added: "printk debugging around the issue of never getting out of the loop in virtnet_send_command" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1570195/+attachment/4639236/+files/debug-virtio-hang-dpdk.patch -- You received this bug notification because you are a member of

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
pull-lp-source linux 4.4.0-18.34 Build from source with oldconfig and such Enable all kind of debug for virtio Add some checks where we expect it to fail mkdir /home/ubuntu/4.4.0-debug # not needed make INSTALL_MOD_PATH=/home/ubuntu/4.4.0-debug modules_install make

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Tested latest upstream versions to be sure we not just miss a patch that already exists. Bug still happens with linux-4.6-rc4.tar.xz -- 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/1570195

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Discussing with Thomas Monjalon revealed a set of post 2.2 patches. These will no more let you intialize DPDK while a kernel driver - like virtio-pci is still bound. I already proved before on this bug that reinitializing it to virtio-pci will properly set it up and make it workable again. So I

[Kernel-packages] [Bug 1567602] Re: FCP devices are not detected correctly nor deterministically

2016-04-20 Thread ChristianEhrhardt
Just to be sure I did a cross check on my lpar: Cleaning my system to get an empty condition at the start sudo chzdev zfcp-lun --all --disable --force sudo chzdev zfcp-host --all --disable --force sudo chzdev zfcp --all --disable --force Now it looks like the one from Thorsten: ubuntu@s1lp5:~$

[Kernel-packages] [Bug 1567602] Re: FCP devices are not detected correctly nor deterministically

2016-04-20 Thread ChristianEhrhardt
FYI - Storage Server is on older version 5.7.41.1028 -- 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/1567602 Title: FCP devices are not detected correctly nor deterministically Status

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-15 Thread ChristianEhrhardt
Repro: OVS-DPDK starting up seems fine initializing my non-blacklisted card DPDK_OPTS are '--dpdk -c 0x6 -n 4 --pci-blacklist :00:03.0 -m 2048' Allowing PMDs on two CPUs consuming 2G of huge pages Before adding Ports config is done with ovs-vsctl set Open_vSwitch .

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-15 Thread ChristianEhrhardt
Appears running: F UID PID PPID PRI NIVSZ RSS WCHAN STAT TTYTIME COMMAND 4 0 26330 26263 20 0 7588 980 - R+ pts/2 33:52 \_ ethtool -L eth1 combined 3 All that touches it seems to get affected, so e.g. a ltrace/strace get stuck as well. Meanwhile the

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-15 Thread ChristianEhrhardt
I tested to change a device touched (initialized) by DPDK, but not yet on an Openvswitch bridge (no port added). That hangs stalls as well, so it is not required to add it to openvswitch-dpdk. Next step was to exclude openvswitch completely, therefor I ran testpmd against those ports.

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Since ftrace failed me I switched to gdb via the qemu -s parameter. Debuginfo and source of guest kernel on the Host: sudo apt-get install linux-tools-4.4.0-18-dbgsym sudo pull-lp-source linux 4.4.0-18.34 sudo mkdir -p /build/linux-XwpX40; sudo ln -s /home/ubuntu/linux-4.4.0

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-19 Thread ChristianEhrhardt
Now working - a device still "in touch" by the kernel will be rejected to be used. EAL: probe driver: 1af4:1000 rte_virtio_pmd EAL: Error - exiting with code: 1 Cause: Requested device :00:05.0 cannot be used You have to at least unbind them now to use them with DPDK: sudo dpdk_nic_bind

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-19 Thread ChristianEhrhardt
I'll try to make the rejecting error more "readable" and check the docs to still match. Other than that it will be in the next upload for DPDK. Until then (at your own risk) one can try https://launchpad.net/~paelzer/+archive/ubuntu/dpdk-packaging-tests -- You received this bug notification

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-18 Thread ChristianEhrhardt
Other than in the upstream discussion I linked above around a similar - but it seems not related - issue in our case interrupts, memory, and such from lspci and /proc/interrupts stay just "as-is". No change due to running dpdk on that device. I'd not even consider it all too broken if the tools

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-15 Thread ChristianEhrhardt
This is not happeneing on a ixgbe device that formerly was used by DPDK. But then, that device had to be bound to uio_pci_generic and rebound to be reachable by ethtool. Now in the virtual environment force a reinit of the driver after DPDK used it Reinitialize the driver by rebinding it

[Kernel-packages] [Bug 1570195] Re: Network tools like "ethtool" or "ip" freezes when DPDK Apps are running with VirtIO

2016-04-15 Thread ChristianEhrhardt
I confirmed that before running testpmd I can change the number of used queues just fine. -- 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/1570195 Title: Network tools like "ethtool" or

[Kernel-packages] [Bug 1570195] Re: Net tools cause kernel soft lockup after DPDK touched VirtIO-pci devices

2016-04-15 Thread ChristianEhrhardt
There is no obvious run-until-success loop in any of the involved code. Only this in virtnet_send_command could be related /* Spin for a response, the kick causes an ioport write, trapping * into the hypervisor, so the request should be handled immediately. */ while (!virtqueue_get_buf(vi->cvq,

[Kernel-packages] [Bug 1373070] Re: full fix for disconnected path (paths)

2016-07-25 Thread ChristianEhrhardt
Hi, I think bug 1594202 is another data point for this: Jun 20 01:49:24 omicron kernel: [ 962.491873] audit: type=1400 audit(1466380164.941:90): apparmor="ALLOWED" operation="sendmsg" info="Failed name lookup - disconnected path" error=-13 profile="/usr/lib/dovecot/log"

[Kernel-packages] [Bug 1373070] Re: full fix for disconnected path (paths)

2016-07-25 Thread ChristianEhrhardt
Actually the dovecot profiles are in apparmor and not dovecot source packages - so it would be an apparmor task then. -- 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/1373070 Title: full

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-07-29 Thread ChristianEhrhardt
I have the box at the new place now where it is set up slightly differently in terms of screen connection. I can tell you right away that the issue does not occur on a VGA (SUB-D) connector. searching for a HDMI cable to verify something comparable to the old setup ** Changed in: linux

[Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-07-29 Thread ChristianEhrhardt
Even on the old Kernel, it also doesn't show up via HDMI on my Screen (BenQ GL2760). That said I'd think the issue is more in my TV that I had connected before Panasonic TX-P42GW20 than our graphics driver. Closing the bug as Won't fix as we don't have to take care of devices not behaving :-)

Re: [Kernel-packages] [Bug 1590650] Re: Noisy white turquoise shadows in colors and since Xenial

2016-07-04 Thread ChristianEhrhardt
I'll need physical access to the box again to restest this - that will be in about two weeks from now. I'll test whatever mainline is newest then. Christian Ehrhardt Software Engineer, Ubuntu Server Canonical Ltd On Sun, Jul 3, 2016 at 10:36 PM, Christopher M. Penalver <

[Kernel-packages] [Bug 1657733] Re: KVM module handling different per Architecture - s390x

2017-01-22 Thread ChristianEhrhardt
Thanks Tim, if that was the case it is fine IMHO. I neither need nor want to overrule them - it is good to have the bug thou as a document hopefully somebody will remember or a search engine will find next time the question comes up. Therefore setting to Won't Fix. ** Changed in: linux (Ubuntu)

[Kernel-packages] [Bug 1657733] Re: KVM module handling different per Architecture - s390x

2017-01-22 Thread ChristianEhrhardt
Actually invalid matches the case better, so I chose that. -- 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/1657733 Title: KVM module handling different per Architecture - s390x Status

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-26 Thread ChristianEhrhardt
OTOH the kernel patch is much much smaller: $ git show 7cc851039d643a2ee7df4d18177150f2c3a484f5 | diffstat prom_init.c |1 + 1 file changed, 1 insertion(+) See https://github.com/torvalds/linux/commit/7cc851039d643a2ee7df4d18177150f2c3a484f5 IMHO I'd almost expect to only SRU the kernel

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-26 Thread ChristianEhrhardt
For now I have prepared a qemu ppa to allow the reporter more testing. https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/2409/ That has the mentioned pactches on top of Xenial qemu and should allow to test case #2 of my list above. -- You received this bug notification because you are

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-26 Thread ChristianEhrhardt
The Qemu patches are only ppc, which leaves some hope that the potential to affect other architectures should be minimal :-) $ git show 7386ae6372cc07c77a39cb 8cd2ce7aaa3c3fadc561f4 52b2519c4ea9a6aa4df7ab eac4fba965136f61cc239a b30ff227c27c931155f768 | diffstat hw/ppc/spapr_hcall.c|

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-26 Thread ChristianEhrhardt
Hi, thank you lagarcia for your expertise on this. I try to summarize how I understand the last post - please correct me if I'm wrong. 1. on POWER8NVL "Xenial qemu" in host and "Xenials kernel" in the guest fail (that is the bug) 2. on POWER8NVL "Xenial qemu + the fixes" in host and "Xenial

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-26 Thread ChristianEhrhardt
Just learned that SRU for that would be more ok than I expected, quoting the SRU policy: "For Long Term Support releases we regularly want to enable new hardware. Such changes are appropriate provided that we can ensure not to affect upgrades on existing hardware." That said waiting for

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-27 Thread ChristianEhrhardt
** Changed in: qemu (Ubuntu) Status: New => Triaged ** Changed in: qemu (Ubuntu Xenial) Status: New => Triaged ** Changed in: qemu (Ubuntu Xenial) Importance: Undecided => Medium ** Changed in: qemu (Ubuntu) Importance: Undecided => High -- You received this bug

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-30 Thread ChristianEhrhardt
@Mike - is the branch you linked meant to augment or to replace the suggested SRU (which should be tested from the ppa I linked)? -- 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/1656112

Re: [Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-01-30 Thread ChristianEhrhardt
On Mon, Jan 30, 2017 at 3:38 PM, Mike Rushton wrote: > @Christian The branch is for a fix in the plainbox-provider-checkbox > package which is part of the certification suite > @Mike - sure I saw what it patche :-) I wanted a clarification if this cancels the

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-02-20 Thread ChristianEhrhardt
Preliminary builds as preparation for an SRU currently building at Xenial https://launchpad.net/~ci-train-ppa-service/+archive/ubuntu/2502 My testing will start on those, but if you can please give it as much testing as you can as well. @leftyfb - how about your machine, is it running again to

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-02-23 Thread ChristianEhrhardt
** Description changed: - Upon running the virtualization test from the certification test suite, - the kvm guest test fails with the following error: + [Impact] + + * Some newer Power8 derivates fail to work correctly e.g. Power S822LC + (8335-GTB) + + * This is a toleration change (no

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-02-22 Thread ChristianEhrhardt
Tests for any regressions on the ppa look good so far, going to try to test the fixed case explicitly. Since I don't have the HW that will be hard, but Mike already said he will test as soon as the HW is back so that shall do it then. -- You received this bug notification because you are a

[Kernel-packages] [Bug 1656112] Re: Power S822LC (8335-GTB) failes KVM guest cert test with kvm_init_vcpu failed: Invalid argument

2017-02-17 Thread ChristianEhrhardt
** Changed in: qemu (Ubuntu) Status: Triaged => Fix Released -- 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/1656112 Title: Power S822LC (8335-GTB) failes KVM guest cert test with

[Kernel-packages] [Bug 1657734] [NEW] KVM module handling different per Architecture - ppc64el

2017-01-19 Thread ChristianEhrhardt
Public bug reported: Hi, the Intel KVM module is build as a modules - the core being KVM and then the chip vendor specific kvm-intel / kvm-svm. On ppc64el the situation is similar there is kvm.ko and then kvm-pr and kvm-hv for problem state and hardware virtualization. Currently using kvm

[Kernel-packages] [Bug 1657733] [NEW] KVM module handling different per Architecture - s390x

2017-01-19 Thread ChristianEhrhardt
Public bug reported: Hi, the Intel KVM module is build as a module, yet OTOH the s390 one is not. I asked around and we discussed, quoting the core of the discussion that I'd like to be continued here: cpaelzer, we want kvm to be available. on x86 there are two modules depending on ones cpu

[Kernel-packages] [Bug 1657733] Re: KVM module handling different per Architecture - s390x

2017-01-19 Thread ChristianEhrhardt
Hi Brad(bot) o/, this won't need an apport-collect so setting confirmed now. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1657734] Re: KVM module handling different per Architecture - ppc64el

2017-01-19 Thread ChristianEhrhardt
Hi Brad(bot) o/, this won't need an apport-collect so setting confirmed now. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu.

[Kernel-packages] [Bug 1654011] Re: iscsi target not DKMS compiling for kernel 4.4.0-57

2017-02-28 Thread ChristianEhrhardt
** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 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/1654011 Title: iscsi target not DKMS compiling for kernel

[Kernel-packages] [Bug 1654011] Re: iscsi target not DKMS compiling for kernel 4.4.0-57

2017-02-28 Thread ChristianEhrhardt
Hmm, it seems this can happen due to out-of-date kernels. E.g. running kernel vs installed kernel (headers). I was able to resolve for myself by installing the latest kernel headers and reinstalling. $ apt-get install linux-headers-4.4.0-64-generic # then to trigger all the DKMS again $ apt-get

[Kernel-packages] [Bug 1668557] Re: Write performance regression severely affecting hpsa controllers

2017-02-28 Thread ChristianEhrhardt
Thanks maswan for the later logs as discussed. TL;DR: the kernel now no more knows/considers this as a raid It now merged write requests: wrqm/s 0 -> ~500 The writes are bigger due to that x8: avgrq-sz ~1000 -> ~8000 But we know it is a raid, it has to split it on stripe size And we can see x8

[Kernel-packages] [Bug 1668557] Re: Write performance regression severely affecting hpsa controllers

2017-02-28 Thread ChristianEhrhardt
Theory confirmed, due to the fix the real "capable" max kb is set, that lets the block device layer merge and hold back requests. Only to later be split by the raid controller. Following the IRC discussion using that as a tuning to "fix" is ok. Closing as as it turned out not to be a bug. The

[Kernel-packages] [Bug 1668557] Re: Write performance regression severely affecting hpsa controllers

2017-02-28 Thread ChristianEhrhardt
Only diff is max_sectors_kb, 512->4096 That matches the iostat, 8k there is in 512b sectors which matched 4k max sectors. I don't see where the patch is that breaks that in linux-stable, but it is worth a try to boot a bad kernel and set 512 in /sys. Later to tune for your raid case with so

[Kernel-packages] [Bug 1668557] Re: Write performance regression severely affecting hpsa controllers

2017-02-28 Thread ChristianEhrhardt
I think I found the change in linux stable: http://git.kernel.org/cgit/linux/kernel/git/stable/linux- stable.git/commit/?id=20d74bf29cfae86649bf1ec75038c79a9bc5010f It is correct to "fix" it, the maximum size is bigger. Yet in your case with the drives very likely not having 4k formatting and

[Kernel-packages] [Bug 1667567] Re: msleep() bug causes Nuvoton I2C TPM device driver delays

2017-02-27 Thread ChristianEhrhardt
"This patch replaces the msleep() with usleep_range() calls in the i2c nuvoton driver with a consistent max range value." Is there a patch (?to checksecurity?) attached that bugproxy yet has to mirror? Could you as a failsafe point a link to the upstream change? Those changes are on the tpm

[Kernel-packages] [Bug 1602737] Re: PCI RoCE Interface could not be renamed from default name with link file

2016-09-16 Thread ChristianEhrhardt
Adding Linux as it seems (at least) to be related to the kernel and might need a bisect followed by a SRU for Xenial. Also once 4.6 is ready this should be verified and closed on Yakkety. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug

[Kernel-packages] [Bug 1628735] Re: Autofs variables do not work with kernel 4.4.0-38.57

2016-09-30 Thread ChristianEhrhardt
** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- 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/1628735 Title: Autofs variables do not work with kernel

[Kernel-packages] [Bug 1634050] Re: Please enable CONFIG_VFIO_NOIOMMU

2016-10-20 Thread ChristianEhrhardt
Hi Tim, this was about being prepared. It can be solution to make things more accessible for experiments and development work as I stated initially. I'd never (hope to) expect it to be used in productive environments. One might argue, that if someone wants to get that far he could also build

[Kernel-packages] [Bug 1634050] Re: Please enable CONFIG_VFIO_NOIOMMU

2016-10-17 Thread ChristianEhrhardt
Checks with DPDK waiting until a matching Kernel is available - incomplete until then. -- 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/1634050 Title: Please enable CONFIG_VFIO_NOIOMMU

[Kernel-packages] [Bug 1634050] [NEW] Please enable CONFIG_VFIO_NOIOMMU

2016-10-17 Thread ChristianEhrhardt
Public bug reported: Hi, for certain cases a user might want to use VFIO in NO IOMMU mode. This only enables it to be an option, it doesn't change things unless "enable_unsafe_noiommu_mode" is set. See this reference: https://patchwork.kernel.org/patch/7906971/ for more details. This is used

[Kernel-packages] [Bug 1634050] Re: Please enable CONFIG_VFIO_NOIOMMU

2016-10-17 Thread ChristianEhrhardt
No apport collect needed to discuss/enable this. ** Changed in: linux (Ubuntu) Status: Incomplete => Confirmed ** Changed in: linux (Ubuntu) Importance: Undecided => Wishlist -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1636211] [NEW] crash due to kernel NULL pointer around uio

2016-10-24 Thread ChristianEhrhardt
Public bug reported: Hi, the system continued just fine after this crash happened on my Yakkety Test system. In fact I found that accidentally when running dmesg for something else. For now I primarily wanted to collect data before loosing it due to a reboot. I ran the same workload multiple

[Kernel-packages] [Bug 1634050] Re: Please enable CONFIG_VFIO_NOIOMMU

2016-10-31 Thread ChristianEhrhardt
** No longer affects: dpdk (Ubuntu) ** No longer affects: dpdk (Ubuntu Zesty) -- 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/1634050 Title: Please enable CONFIG_VFIO_NOIOMMU Status in

[Kernel-packages] [Bug 1558897] Re: guest vm hangs

2016-12-13 Thread ChristianEhrhardt
Hi, Thank you for taking the time to report this bug and helping to make Ubuntu better. This bug has been hanging around for too long. I wonder - but I think part of the reason is that while having a lot of text due to the tracebacks it has not yet a lot of information how to reproduce. At

[Kernel-packages] [Bug 1542049] Re: lxc: ADT exercise test failing with linux-4.4.0-3.17

2017-01-12 Thread ChristianEhrhardt
For the sake of cleanup - is there anything left in lxc to do? -- 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/1542049 Title: lxc: ADT exercise test failing with linux-4.4.0-3.17 Status

[Kernel-packages] [Bug 1661292] Re: VFS: Cannot open root device "LABEL=cloudimg-rootfs" or unknown-block(0, 0): error -6

2017-03-22 Thread ChristianEhrhardt
Seems like a race in populating and using the labels on the disks (or an I/O error, but I haven't found one in the log). In any case I think this should get to the attention of the kernel Team. ** Also affects: linux (Ubuntu) Importance: Undecided Status: New -- You received this bug

[Kernel-packages] [Bug 1675522] Re: arm64: Synchronous Exception at 0x00000000BBC129BC

2017-03-24 Thread ChristianEhrhardt
Hi Dann, thanks for your checks already! Are you intending to break this down if e.g. Yakkety qemu is fixed as well as zesty seems? And then once we know if Y is good maybe even down to a bisect of qemu in that regard? Given your checks already the test seems to be as "easy" as "boot zesty +

[Kernel-packages] [Bug 1664622] Re: qemu: Missing transaction memory advertisement

2017-03-28 Thread ChristianEhrhardt
My memory on newer qemu working was for a related, but not the same issue. After checking with Joserz it is clear that this (bug 1664622) is still in qemu master as of now (qemu 2.9-rc0). -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to

[Kernel-packages] [Bug 1664622] Re: qemu: Missing transaction memory advertisement

2017-03-27 Thread ChristianEhrhardt
I was adding a Fix Released 16.04.2 Kernel Task to make it more obvious that the (guest) kernel parts are done. -- 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/1664622 Title: qemu:

[Kernel-packages] [Bug 1671397] Re: A VNX LUN will still be recognized as LUNZ after provisioning

2017-03-27 Thread ChristianEhrhardt
Nobody else with the same HW showed up, so I'm afraid you have to debug that on your own :-/ If you have support on your storage server those might be able to help - try to loop them in? Adding a kernel task if that is in any way known by the kernel Team. @KC Did you have a chance to test the

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