152 lines
4.1 KiB
Text
152 lines
4.1 KiB
Text
KERNEL SOURCE:
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==============
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We currently use the Ubuntu kernel sources, available from:
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http://kernel.ubuntu.com/git/ubuntu/ubuntu-xenial.git/
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Ubuntu will maintain those kernels till:
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https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
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Additional/Updated Modules:
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---------------------------
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- include latest e1000e driver from intel/sourceforge
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- include latest ixgbe driver from intel/sourceforge
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- include latest igb driver from intel/sourceforge
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# Note: hpsa does not compile with kernel 3.19.8
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#- include latest HPSA driver (HP Smart Array)
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#
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# * http://sourceforge.net/projects/cciss/
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- include native OpenZFS filesystem kernel modules for Linux
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* https://github.com/zfsonlinux/
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For licensing questions, see: http://open-zfs.org/wiki/Talk:FAQ
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- include latest DRBD 9 driver, see http://drbd.linbit.com/home/what-is-drbd/
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FIRMWARE:
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=========
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We create our own firmware package, which includes the firmware for
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all proxmox-ve kernels. So far this include
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pve-kernel-2.6.18
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pve-kernel-2.6.24
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pve-kernel-2.6.32
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pve-kernel-3.10.0
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pve-kernel-3.19.0
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We use 'find-firmware.pl' to extract lists of required firmeware
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files. The script 'assemble-firmware.pl' is used to read those lists
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and copy the files from various source directory into a target
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directory.
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We do not include firmeware for some wireless HW when there is a
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separate debian package for that, for example:
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zd1211-firmware
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atmel-firmware
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bluez-firmware
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PATCHES:
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--------
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bridge-patch.diff: Avoid bridge problems with changing MAC
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see also: http://forum.openvz.org/index.php?t=msg&th=5291
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Behaviour after 2.6.27 has changed slighly - after setting mac address
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of bridge device, then address won't change. So we could omit
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that patch, requiring to set hwaddress in /etc/network/interfaces.
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Watchdog blacklist
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------------------
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By default, all watchdog modules are black-listed because it is totally undefined
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which device is actually used for /dev/watchdog.
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We ship this list in /lib/modprobe.d/blacklist_pve-kernel-<VERSION>.conf
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The user typically edit /etc/modules to enable a specific watchdog device.
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Additional information
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----------------------
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We use the default configuration provided by Ubuntu, and apply
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the following modification:
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see Makefile (PVE_CONFIG_OPTS)
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- enable CONFIG_CEPH_FS=m (request from user)
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- enable common CONFIG_BLK_DEV_XXX to avoid hardware detection
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problems (udev, undate-initramfs have serious problems without that)
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CONFIG_BLK_DEV_SD=y
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CONFIG_BLK_DEV_SR=y
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CONFIG_BLK_DEV_DM=y
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- add workaround for Debian bug #807000 (see
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https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=807000)
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CONFIG_BLK_DEV_NVME=y
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- compile NBD and RBD modules
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CONFIG_BLK_DEV_NBD=m
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CONFIG_BLK_DEV_RBD=m
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- set LOOP_MIN_COUNT to 8 (debian defaults)
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CONFIG_BLK_DEV_LOOP_MIN_COUNT=8
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- disable module signatures (CONFIG_MODULE_SIG)
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- enable IBM JFS file system
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This is disabled in RHEL kernel for no real reason, so we enable
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it as requested by users (bug #64)
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- enable apple HFS and HFSPLUS
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This is disabled in RHEL kernel for no real reason, so we enable
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it as requested by users
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- enable CONFIG_BCACHE=m (requested by user)
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- enable CONFIG_BRIDGE=y
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Else we get warnings on boot, that
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net.bridge.bridge-nf-call-iptables is an unknown key
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- enable CONFIG_DEFAULT_SECURITY_APPARMOR
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We need this for lxc
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- set CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
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because if not set, it can give some dynamic memory or cpu frequencies
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change, and vms can crash (mainly windows guest).
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see http://forum.proxmox.com/threads/18238-Windows-7-x64-VMs-crashing-randomly-during-process-termination?p=93273#post93273
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- use 'deadline' as default scheduler
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This is the suggested setting for KVM. We also measure bad fsync
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performance with ext4 and cfq.
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- disable CONFIG_INPUT_EVBUG
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Module evbug is not blacklisted on debian, so we simply disable it
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to avoid key-event logs (which is a big security problem)
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Testing final kernel with kvm
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-----------------------------
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kvm -kernel data/boot/vmlinuz-3.19.8-1-pve -initrd initrd.img-3.19.8-1-pve -append "vga=791 video=vesafb:ywrap,mtrr" /dev/zero
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