------- Comment From heinz-werner_se...@de.ibm.com 2018-03-09 03:33 EDT------- on kernel 4.4.0-112-generic #135-Ubuntu SMP Fri Jan 19 11:48:07 UTC 2018 s390x s390x s390x GNU/Linux using boot parameter = root=/dev/disk/by-path/ccw-0.0.0201-part1 crashkernel=196M
$ dmesg | grep -C 10 nobp [ 0.463151] Early memory node ranges [ 0.463152] node 0: [mem 0x0000000000000000-0x00000003f3bfffff] [ 0.463155] Initmem setup node 0 [mem 0x0000000000000000-0x00000003f3bfffff] [ 0.463157] On node 0 totalpages: 4144128 [ 0.463158] DMA zone: 8192 pages used for memmap [ 0.463159] DMA zone: 0 pages reserved [ 0.463160] DMA zone: 524288 pages, LIFO batch:31 [ 0.476638] Normal zone: 56560 pages used for memmap [ 0.476640] Normal zone: 3619840 pages, LIFO batch:31 [ 0.569586] gmb enabled [ 0.569591] nobp enabled [ 0.571345] PERCPU: Embedded 17 pages/cpu @00000003e34c0000 s30208 r8192 d31232 u69632 [ 0.571351] pcpu-alloc: s30208 r8192 d31232 u69632 alloc=17*4096 [ 0.571353] pcpu-alloc: [0] 00 [0] 01 [0] 02 [0] 03 [0] 04 [0] 05 [0] 06 [0] 07 [ 0.571357] pcpu-alloc: [0] 08 [0] 09 [0] 10 [0] 11 [0] 12 [0] 13 [0] 14 [0] 15 [ 0.571361] pcpu-alloc: [0] 16 [0] 17 [0] 18 [0] 19 [0] 20 [0] 21 [0] 22 [0] 23 [ 0.571364] pcpu-alloc: [0] 24 [0] 25 [0] 26 [0] 27 [0] 28 [0] 29 [0] 30 [0] 31 [ 0.571368] pcpu-alloc: [0] 32 [0] 33 [0] 34 [0] 35 [0] 36 [0] 37 [0] 38 [0] 39 [ 0.571372] pcpu-alloc: [0] 40 [0] 41 [0] 42 [0] 43 [0] 44 [0] 45 [0] 46 [0] 47 [ 0.571376] pcpu-alloc: [0] 48 [0] 49 [0] 50 [0] 51 [0] 52 [0] 53 [0] 54 [0] 55 [ 0.571379] pcpu-alloc: [0] 56 [0] 57 [0] 58 [0] 59 [0] 60 [0] 61 [0] 62 [0] 63 on kernel 4.4.0-116-generic #140-Ubuntu SMP Mon Feb 12 21:21:31 UTC 2018 s390x s390x s390x GNU/Linux using boot parameter = root=/dev/disk/by-path/ccw-0.0.0201-part1 crashkernel=196M $ dmesg | grep -C 10 nobp [ 0.465062] Early memory node ranges [ 0.465063] node 0: [mem 0x0000000000000000-0x00000003f3bfffff] [ 0.465066] Initmem setup node 0 [mem 0x0000000000000000-0x00000003f3bfffff] [ 0.465068] On node 0 totalpages: 4144128 [ 0.465069] DMA zone: 8192 pages used for memmap [ 0.465070] DMA zone: 0 pages reserved [ 0.465071] DMA zone: 524288 pages, LIFO batch:31 [ 0.480241] Normal zone: 56560 pages used for memmap [ 0.480242] Normal zone: 3619840 pages, LIFO batch:31 [ 0.585696] gmb enabled [ 0.585700] nobp enabled [ 0.587474] PERCPU: Embedded 17 pages/cpu @00000003e34c0000 s30208 r8192 d31232 u69632 [ 0.587481] pcpu-alloc: s30208 r8192 d31232 u69632 alloc=17*4096 [ 0.587482] pcpu-alloc: [0] 00 [0] 01 [0] 02 [0] 03 [0] 04 [0] 05 [0] 06 [0] 07 [ 0.587486] pcpu-alloc: [0] 08 [0] 09 [0] 10 [0] 11 [0] 12 [0] 13 [0] 14 [0] 15 [ 0.587490] pcpu-alloc: [0] 16 [0] 17 [0] 18 [0] 19 [0] 20 [0] 21 [0] 22 [0] 23 [ 0.587494] pcpu-alloc: [0] 24 [0] 25 [0] 26 [0] 27 [0] 28 [0] 29 [0] 30 [0] 31 [ 0.587498] pcpu-alloc: [0] 32 [0] 33 [0] 34 [0] 35 [0] 36 [0] 37 [0] 38 [0] 39 [ 0.587501] pcpu-alloc: [0] 40 [0] 41 [0] 42 [0] 43 [0] 44 [0] 45 [0] 46 [0] 47 [ 0.587505] pcpu-alloc: [0] 48 [0] 49 [0] 50 [0] 51 [0] 52 [0] 53 [0] 54 [0] 55 [ 0.587509] pcpu-alloc: [0] 56 [0] 57 [0] 58 [0] 59 [0] 60 [0] 61 [0] 62 [0] 63 both kernels are showing default NOBP on In their respective configs $ grep NOBP /boot/config-4.4.0-11* /boot/config-4.4.0-112-generic:CONFIG_KERNEL_NOBP=y /boot/config-4.4.0-116-generic:CONFIG_KERNEL_NOBP=y Why is this messages created? Which kind of explaination is available for nobp wihtin the documentation? This LP is created to make describe the agreement of providing this msg or not.... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1753428 Title: nobp enable msg during boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1753428/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
