zfs receive stall in D state

[bud4]

System information

Type	Version/Name
Distribution Name	Ubuntu
Distribution Version	16.04.3 LTS
Linux Kernel	4.4.0-101-generic
Architecture	x86_64
ZFS Version	0.6.5.6-0ubuntu16
SPL Version	0.6.5.6-0ubuntu4

Describe the problem you're observing

zfs receive stall in d state and it does not proceed. more than an hour without writing anything.

Describe how to reproduce the problem

big load many asynchronous readings in progress.

Include a warning/errors/backtraces from the system logs

look at the mbuffer log . no message in kernel.log
mbuffer_rcv512987816.log
'''
ps alx output:
4 0 135944 135886 20 0 54080 24092 cv_wai D ? 0:26 /sbin/zfs receive -v -F pool_z2_samba

cat /proc/135944/syscall 16 0x3 0x5a1b 0x7ffc94eb6e30 0x25 0x7f896dc69780 0x7f896eda9780 0x7ffc94eb6ad8 0x7f896d99ff07
'''

[Fabian-Gruenbichler]

which version is in use on the system generating the zfs send stream? potentially you are affected by the issue fixed in #6616

[bud4]

All two system are 6.5. May be my case? Il 11 dic 2017 1:37 PM, "Fabian-Gruenbichler" <[email protected]> ha scritto: which version is in use on the system generating the zfs send stream? potentially you are affected by the issue fixed in #6616 <#6616> — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub <#6946 (comment)>, or mute the thread <https://github.com/notifications/unsubscribe-auth/AOSfJU4Y9G2xJ8y5HNCF34QowKw0TGgiks5s_SIBgaJpZM4Q9NgE> .