------- Comment From praveen.pan...@in.ibm.com 2016-09-23 01:22 EDT------- Hi ,
Verified this problem using http://ports.ubuntu.com/ubuntu-ports/dists /yakkety-proposed/main/installer-ppc64el/current/images/netboot/ this proposed repo and not able to produce this issue any more . Thanks for Fix !! Regards Praveen ** Tags removed: verification-needed-xenial ** Tags added: verification-done verification-done-yakkety -- 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/1614309 Title: Ubuntu16.10:installation fails on Brazos system (31TB and 192 cores) No memory for flatten_device_tree (no room) Status in linux package in Ubuntu: Fix Committed Status in linux source package in Xenial: Fix Released Status in linux source package in Yakkety: Fix Committed Bug description: == Comment: #0 - Praveen K. Pandey - 2016-07-16 10:00:52 == Hi , I tried ubuntu16.10 Installation in brazos (configuration 31TB memory and 192 cores) system . installation failing during prom_init when trying to allocate flatten_dt memory) System F/w is FW860.00 (TC860_020). Reproducible Step : 1- Configure Power VM system having profile with 31TB memory and 1 92 Core 2- Start Ubuntu16.10 Installation Actual Result : Installation drop in F/w Console as failing during prom_init Expected Result : Installation Should went through Log: Booting a command list OF stdout device is: /vdevice/v...@30000000nitrd.gz 34.84MiB 100% 3.01MiB/s ] Preparing to boot Linux version 4.4.0-30-generic (buildd@bos01-ppc64el-023) (gcc version 5.3.1 20160413 (Ubuntu/IBM 5.3.1-14ubuntu2.1) ) #49-Ubuntu SMP Fri Jul 1 10:00:36 UTC 2016 (Ubuntu 4.4.0-30.49-generic 4.4.13) Detected machine type: 0000000000000101 Max number of cores passed to firmware: 256 (NR_CPUS = 2048) Calling ibm,client-architecture-support... done command line: BOOT_IMAGE=/ubuntu-installer/ppc64el/yakkety/vmlinux tasks=standard pkgsel/language-pack-patterns= pkgsel/install-language-support=false DEBIAN_FRONTEND=text locale=en_US priority=low console-setup/ask_detect=false console-setup/layoutcode=us netcfg/disable_dhcp=true netcfg/confirm_static=true netcfg/choose_interface=6c:ae:8b:6a:81:98 netcfg/get_ipaddress=9.40.193.34/24 netcfg/get_gateway=9.40.193.1 netcfg/get_nameservers=9.3.1.200 netcfg/get_hostname=ltc-brazos1.aus.stglabs.ibm.com suite=yakkety scsi_mod.scan=sync sshd netcfg/get_domain=aus.stglabs.ibm.com unrestricted= url=tftp://9.3.80.16/tftpboot/ubuntu-installer/ppc64el/ubuntu-server.seed-01-6c-ae-8b-6a-81-98 anna/choose_modules=network-console network-console/start=continue network-console/password=passw0rd network-console/password-again=passw0rd memory layout at init: memory_limit : 0000000000000000 (16 MB aligned) alloc_bottom : 000000000e3e0000 alloc_top : 0000000010000000 alloc_top_hi : 0000000010000000 rmo_top : 0000000010000000 ram_top : 0000000010000000 instantiating rtas at 0x000000000e9e0000... done prom_hold_cpus: skipped copying OF device tree... Building dt strings... Building dt structure... No memory for flatten_device_tree (no room) EXIT called ok 0 > Regards Praveen == Comment: #8 - Sukadev Bhattiprolu - 2016-08-05 02:27:07 == Posted a couple of patches to the community for review: http://marc.info/?l=linux-kernel&m=147037748624043&w=2 http://marc.info/?l=linux-kernel&m=147037768124064&w=2 == Comment: #12 - Sukadev Bhattiprolu - 2016-08-17 19:23:22 == Temporary fix to address the issue while the above patches are being reviewed. == Canonical, Please add the attached temporary fix to 16.10 to address the following issue while the upstream changes are being considered. When booting a very large system with a large initrd we run out of space for the flattened device tree (FDT). To fix this we must increase the space allocated for the RMA region. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1614309/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
