[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #15 from commit-h...@freebsd.org --- A commit references this bug: Author: kib Date: Mon Apr 6 18:47:16 UTC 2020 New revision: 359664 URL: https://svnweb.freebsd.org/changeset/base/359664 Log: MFC r359464: buffer pager: sk

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 Julien Cigar changed: What|Removed |Added Resolution|--- |FIXED Status|New

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #13 from commit-h...@freebsd.org --- A commit references this bug: Author: kib Date: Mon Mar 30 22:13:32 UTC 2020 New revision: 359473 URL: https://svnweb.freebsd.org/changeset/base/359473 Log: kern_sendfile.c: fix bugs with

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #12 from commit-h...@freebsd.org --- A commit references this bug: Author: kib Date: Mon Mar 30 21:42:47 UTC 2020 New revision: 359464 URL: https://svnweb.freebsd.org/changeset/base/359464 Log: buffer pager: skip bogus pages.

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #11 from Konstantin Belousov --- (In reply to Julien Cigar from comment #10) If you just increase parallelism but do the sendfile over the same file, I doubt that the issue is easier to reproduce, quite contrary. Problem appear

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #10 from Julien Cigar --- (In reply to Konstantin Belousov from comment #9) OK, I'll try to isolate the webapp, raise the number of worker processes to something like 1000 and hammer the webapp heavily to reproduce the issue -

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #9 from Konstantin Belousov --- (In reply to Julien Cigar from comment #8) It is sendfile over NFS file that triggers the issue. You need to get into some very specific layout of cached pages vs. non-cached for this file to ge

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #8 from Julien Cigar --- (In reply to Konstantin Belousov from comment #6) Thanks for your time and analysis..! I can hardly test it on the affected host unfortunately as it is a production machine, but I'll try to reproduce th

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 Julien Cigar changed: What|Removed |Added Flags||mfc-stable12? -- You are receiving

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #7 from Konstantin Belousov --- Created attachment 212343 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=212343&action=edit Port of D24038 to stable/12 -- You are receiving this mail because: You are the assignee fo

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #6 from Konstantin Belousov --- I think I see the problem. The proposed (untested) patch for CURRENT is at https://reviews.freebsd.org/D24038 Since it is not applicable to stable/12 without conflicts, there were a lot of rewri

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #5 from Julien Cigar --- Created attachment 212324 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=212324&action=edit procstat -kk -a -- You are receiving this mail because: You are the assignee for the bug.

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #4 from Julien Cigar --- Thanks for you reply kib, I've attached the full procstat -kk -a -- You are receiving this mail because: You are the assignee for the bug. ___ freebsd-bugs@f

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 Konstantin Belousov changed: What|Removed |Added CC||k...@freebsd.org --- Comment

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #2 from Julien Cigar --- Created attachment 212299 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=212299&action=edit procstat -- You are receiving this mail because: You are the assignee for the bug. ___

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 --- Comment #1 from Julien Cigar --- Created attachment 212298 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=212298&action=edit ps -- You are receiving this mail because: You are the assignee for the bug. _

[Bug 244713] Processes hanging in "nfs" state

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=244713 Bug ID: 244713 Summary: Processes hanging in "nfs" state Product: Base System Version: 12.1-RELEASE Hardware: Any OS: Any Status: New Severity: Affe