From nobody Tue May 6 15:44:46 2025 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4ZsN4g22myz5v0BX; Tue, 06 May 2025 15:44:51 +0000 (UTC) (envelope-from cy.schubert@cschubert.com) Received: from omta004.cacentral1.a.cloudfilter.net (omta002.cacentral1.a.cloudfilter.net [3.97.99.33]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "Client", Issuer "CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4ZsN4f6Zlsz3tHH; Tue, 06 May 2025 15:44:50 +0000 (UTC) (envelope-from cy.schubert@cschubert.com) Authentication-Results: mx1.freebsd.org; none Received: from shw-obgw-4004a.ext.cloudfilter.net ([10.228.9.227]) by cmsmtp with ESMTPS id CJvnued995MqyCKTQuYa1k; Tue, 06 May 2025 15:44:48 +0000 Received: from spqr.komquats.com ([70.66.136.217]) by cmsmtp with ESMTPSA id CKTPuy3niJhBPCKTQudZzv; Tue, 06 May 2025 15:44:48 +0000 X-Auth-User: cschuber X-Authority-Analysis: v=2.4 cv=QY3Fvdbv c=1 sm=1 tr=0 ts=681a2e70 a=h7br+8Ma+Xn9xscxy5znUg==:117 a=h7br+8Ma+Xn9xscxy5znUg==:17 a=kj9zAlcOel0A:10 a=dt9VzEwgFbYA:10 a=6I5d2MoRAAAA:8 a=EkcXrb_YAAAA:8 a=YxBL1-UpAAAA:8 a=RRQzfFIVjkzHdlbPMDQA:9 a=CjuIK1q_8ugA:10 a=LK5xJRSDVpKd5WXXoEvA:22 a=Ia-lj3WSrqcvXOmTRaiG:22 Received: from slippy.cwsent.com (slippy [10.1.1.91]) by spqr.komquats.com (Postfix) with ESMTP id D4A959A3; Tue, 06 May 2025 08:44:46 -0700 (PDT) Received: by slippy.cwsent.com (Postfix, from userid 1000) id 917B818D; Tue, 06 May 2025 08:44:46 -0700 (PDT) X-Mailer: exmh version 2.9.0 11/07/2018 with nmh-1.8+dev Reply-to: Cy Schubert From: Cy Schubert X-os: FreeBSD X-Sender: cy@cwsent.com X-URL: http://www.cschubert.com/ To: Gleb Smirnoff cc: Cy Schubert , src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org Subject: Re: git: d15792780760 - main - unix: new implementation of unix/stream & unix/seqpacket In-reply-to: References: <202505051956.545JuOPR085707@gitrepo.freebsd.org> <20250506150654.DEAF8300@slippy.cwsent.com> Comments: In-reply-to Gleb Smirnoff message dated "Tue, 06 May 2025 08:24:59 -0700." List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Tue, 06 May 2025 08:44:46 -0700 Message-Id: <20250506154446.917B818D@slippy.cwsent.com> X-CMAE-Envelope: MS4xfFQN2RS36cjcXGIk6u/gKa6EcXW+j/UeKbJAMwxCFThuIztJ1bvQia3kY0YAU8xGlMNz2Q5dpGdNyKFYbf+xWpN7JT0ADFxSs/jH0CN/J/G58YdpnF1s Xyi6M3G0rjfkENcU2O67UwMuH4L/dUPt8/g81WEghsfSp5KCqEsM15a99NOuQsfIPzcCYauSMXEMo1hDsZ3ORXIpZmKATB6/5XqmHgyB0Go/BpY2YJ+9PNdm 3U1DCwsEnVIscrwG4zcQKWRllz5E0uqOvY8Jlvf7jlKNix4rKm77ZaC8Ry9bBboQuNShFMDvPb4thMzD9FEofbAD5YdpN19wYnNOsWaMcOw= X-Rspamd-Queue-Id: 4ZsN4f6Zlsz3tHH X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:16509, ipnet:3.96.0.0/15, country:US] X-Spamd-Bar: ---- In message , Gleb Smirnoff writes: > On Tue, May 06, 2025 at 08:06:54AM -0700, Cy Schubert wrote: > C> Is anyone else experiencing rsync hangs with this? I'm noticing rsync hang > s > C> with large files, like those in /usr/obj or a poudriere package repo. > C> > C> I haven't reverted this locally yet, just guessing ATM. > > Does rsync use unix(4) socket? What is the kernel stack of the sleeping > process? procstat -k $pid > > -- > Gleb Smirnoff On the sending machine: bob# procstat -k 50742 PID TID COMM TDNAME KSTACK 50742 103321 rsync - mi_switch sleepq_switch sleepq_catch_signals sleepq_timedwait_sig _cv_timedwait_sig_sbt kern_select sys_select amd64_syscall fast_syscall_common bob# bob# procstat -k 50743 PID TID COMM TDNAME KSTACK 50743 100644 rsh - mi_switch sleepq_switch sleepq_catch_signals sleepq_wait_sig _cv_wait_sig kern_select sys_select amd64_syscall fast_syscall_common bob# On the receiving machine: cwsys# procstat -k 46918 PID TID COMM TDNAME KSTACK 46918 100848 rsync - mi_switch sleepq_catch_signals sleepq_timedwait_sig _cv_timedwait_sig_sbt seltdwait kern_select sys_select amd64_syscall fast_syscall_common cwsys# procstat -k 46919 PID TID COMM TDNAME KSTACK 46919 100999 rsync - mi_switch sleepq_catch_signals sleepq_timedwait_sig _cv_timedwait_sig_sbt seltdwait kern_select sys_select amd64_syscall fast_syscall_common cwsys# It's proceeding but exceptionally slowly. The hangs occur at 0% and at some points during the transfer. Noticed using rsync --progress. -- Cheers, Cy Schubert FreeBSD UNIX: Web: https://FreeBSD.org NTP: Web: https://nwtime.org e^(i*pi)+1=0