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1 | KERNEL SOURCE: | |
2 | ============== | |
3 | ||
4 | We currently use the Ubuntu kernel sources, available from: | |
5 | ||
6 | http://kernel.ubuntu.com/git/ubuntu/ubuntu-bionic.git/ | |
7 | ||
8 | Ubuntu will maintain those kernels till: | |
9 | ||
10 | https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable | |
11 | ||
12 | ||
13 | Additional/Updated Modules: | |
14 | --------------------------- | |
15 | ||
16 | - include latest e1000e driver from intel/sourceforge | |
17 | ||
18 | - include latest ixgbe driver from intel/sourceforge | |
19 | ||
20 | - include latest igb driver from intel/sourceforge | |
21 | ||
22 | - include native OpenZFS filesystem kernel modules for Linux | |
23 | ||
24 | * https://github.com/zfsonlinux/ | |
25 | ||
26 | For licensing questions, see: http://open-zfs.org/wiki/Talk:FAQ | |
27 | ||
28 | ||
29 | RELATED PACKAGES: | |
30 | ================= | |
31 | ||
32 | proxmox-ve | |
33 | ---------- | |
34 | ||
35 | top level meta package, depends on current default kernel series meta package. | |
36 | ||
37 | git clone git://git.proxmox.com/git/proxmox-ve.git | |
38 | ||
39 | pve-kernel-meta | |
40 | --------------- | |
41 | ||
42 | depends on latest kernel and header package within a certain kernel series, | |
43 | e.g., pve-kernel-4.15 / pve-headers-4.15 | |
44 | ||
45 | git clone git://git.proxmox.com/git/pve-kernel-meta.git | |
46 | ||
47 | pve-firmware | |
48 | ------------ | |
49 | ||
50 | contains the firmware for all released PVE kernels. | |
51 | ||
52 | git clone git://git.proxmox.com/git/pve-firmware.git | |
53 | ||
54 | ||
55 | NOTES: | |
56 | ====== | |
57 | ||
58 | Watchdog blacklist | |
59 | ------------------ | |
60 | ||
61 | By default, all watchdog modules are black-listed because it is totally undefined | |
62 | which device is actually used for /dev/watchdog. | |
63 | We ship this list in /lib/modprobe.d/blacklist_pve-kernel-<VERSION>.conf | |
64 | The user typically edit /etc/modules to enable a specific watchdog device. | |
65 | ||
66 | Additional information | |
67 | ---------------------- | |
68 | ||
69 | We use the default configuration provided by Ubuntu, and apply | |
70 | the following modifications: | |
71 | ||
72 | see debian/rules (PVE_CONFIG_OPTS) | |
73 | ||
74 | - enable INTEL_MEI_WDT=m (to allow disabling via patch) | |
75 | ||
76 | - disable CONFIG_SND_PCM_OSS (enabled by default in Ubuntu, not needed) | |
77 | ||
78 | - switch CONFIG_TRANSPARENT_HUGEPAGE to MADVISE from ALWAYS | |
79 | ||
80 | - enable CONFIG_CEPH_FS=m (request from user) | |
81 | ||
82 | - enable common CONFIG_BLK_DEV_XXX to avoid hardware detection | |
83 | problems (udev, undate-initramfs have serious problems without that) | |
84 | ||
85 | CONFIG_BLK_DEV_SD=y | |
86 | CONFIG_BLK_DEV_SR=y | |
87 | CONFIG_BLK_DEV_DM=y | |
88 | ||
89 | - add workaround for Debian bug #807000 (see | |
90 | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=807000) | |
91 | ||
92 | CONFIG_BLK_DEV_NVME=y | |
93 | ||
94 | - compile NBD and RBD modules | |
95 | CONFIG_BLK_DEV_NBD=m | |
96 | CONFIG_BLK_DEV_RBD=m | |
97 | ||
98 | - set LOOP_MIN_COUNT to 8 (debian defaults) | |
99 | CONFIG_BLK_DEV_LOOP_MIN_COUNT=8 | |
100 | ||
101 | - disable module signatures (CONFIG_MODULE_SIG) | |
102 | ||
103 | - enable IBM JFS file system | |
104 | ||
105 | This is disabled in RHEL kernel for no real reason, so we enable | |
106 | it as requested by users (bug #64) | |
107 | ||
108 | - enable apple HFS and HFSPLUS | |
109 | ||
110 | This is disabled in RHEL kernel for no real reason, so we enable | |
111 | it as requested by users | |
112 | ||
113 | - enable CONFIG_BCACHE=m (requested by user) | |
114 | ||
115 | - enable CONFIG_BRIDGE=y | |
116 | ||
117 | Else we get warnings on boot, that | |
118 | net.bridge.bridge-nf-call-iptables is an unknown key | |
119 | ||
120 | - enable CONFIG_DEFAULT_SECURITY_APPARMOR | |
121 | ||
122 | We need this for lxc | |
123 | ||
124 | - set CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y | |
125 | ||
126 | because if not set, it can give some dynamic memory or cpu frequencies | |
127 | change, and vms can crash (mainly windows guest). | |
128 | ||
129 | see http://forum.proxmox.com/threads/18238-Windows-7-x64-VMs-crashing-randomly-during-process-termination?p=93273#post93273 | |
130 | ||
131 | - use 'deadline' as default scheduler | |
132 | ||
133 | This is the suggested setting for KVM. We also measure bad fsync | |
134 | performance with ext4 and cfq. | |
135 | ||
136 | - disable CONFIG_INPUT_EVBUG | |
137 | ||
138 | Module evbug is not blacklisted on debian, so we simply disable it | |
139 | to avoid key-event logs (which is a big security problem) | |
140 | ||
141 | - enable CONFIG_MODVERSIONS (needed for ABI tracking) | |
142 | ||
143 | - switch default UNWINDER to FRAME_POINTER | |
144 | ||
145 | the recently introduced ORC_UNWINDER is not 100% stable yet, especially in combination with ZFS | |
146 | ||
147 | - enable CONFIG_PAGE_TABLE_ISOLATION (Meltdown mitigation) |