-- before proposed -- Ubuntu 17.10 (GNU/Linux 4.13.0-38-generic aarch64) ubuntu@anuchin:~$ sudo bash root@anuchin:~# modprobe zram root@anuchin:~# echo 1 > /sys/block/zram0/reset root@anuchin:~# echo deflate > /sys/block/zram0/comp_algorithm root@anuchin:~# echo 128M > /sys/block/zram0/disksize root@anuchin:~# mkfs.ext4 -F /dev/zram0 mke2fs 1.43.5 (04-Aug-2017) Discarding device blocks: done Creating filesystem with 32768 4k blocks and 32768 inodes
Allocating group tables: done Writing inode tables: done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: manjo@lazy:~$ ipmitool -H 10.229.48.14 -I lanplus -U admin -P admin sol activate [SOL Session operational. Use ~? for help] [ 1420.012055] watchdog: BUG: soft lockup - CPU#14 stuck for 22s! [mkfs.ext4:3121] [ 1424.023938] watchdog: BUG: soft lockup - CPU#40 stuck for 23s! [kworker/u96:2:406] [ 1454.099071] INFO: rcu_sched self-detected stall on CPU [ 1454.104260] 14-...: (14998 ticks this GP) idle=796/140000000000001/0 softirq=4896/4896 fqs=7500 [ 1454.107070] INFO: rcu_sched detected stalls on CPUs/tasks: [ 1454.107076] 14-...: (14998 ticks this GP) idle=796/140000000000001/0 softirq=4896/4896 fqs=7500 [ 1454.107077] (detected by 40, t=15002 jiffies, g=3929, c=3928, q=4597) [ 1454.134272] (t=15008 jiffies g=3929 c=3928 q=4597) -- after proposed -- ubuntu@anuchin:~$ uname -a Linux anuchin 4.13.0-39-generic #44-Ubuntu SMP Thu Apr 5 14:20:13 UTC 2018 aarch64 aarch64 aarch64 GNU/Linux ubuntu@anuchin:~$ sudo bash root@anuchin:~# modprobe zram root@anuchin:~# echo 1 > /sys/block/zram0/reset root@anuchin:~# echo deflate > /sys/block/zram0/comp_algorithm root@anuchin:~# echo 128M > /sys/block/zram0/disksize root@anuchin:~# mkfs.ext4 -F /dev/zram0 mke2fs 1.43.5 (04-Aug-2017) Discarding device blocks: done Creating filesystem with 32768 4k blocks and 32768 inodes Allocating group tables: done Writing inode tables: done Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: done root@anuchin:~# ** Tags removed: verification-needed-artful ** Tags added: verification-done-artful -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1755073 Title: ubuntu_zram_smoke test will cause soft lockup on Artful ThunderX ARM64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1755073/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
