From nobody Tue Nov 14 12:59:56 2023 X-Original-To: current@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 4SV5xL6WgGz50stT for ; Tue, 14 Nov 2023 13:00:06 +0000 (UTC) (envelope-from SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl) Received: from smtp-relay-int-backup.realworks.nl (smtp-relay-int-backup.realworks.nl [87.255.56.188]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4SV5xK2y2Tz3GmR; Tue, 14 Nov 2023 13:00:05 +0000 (UTC) (envelope-from SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl) Authentication-Results: mx1.freebsd.org; dkim=pass header.d=klop.ws header.s=rw2 header.b=NmHHrZmL; spf=pass (mx1.freebsd.org: domain of "SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl" designates 87.255.56.188 as permitted sender) smtp.mailfrom="SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl"; dmarc=pass (policy=quarantine) header.from=klop.ws Received: from rwvirtual46.colo.realworks.nl (rwvirtual46.colo.realworks.nl [10.0.10.46]) by mailrelayint1.colo2.realworks.nl (Postfix) with ESMTP id 4SV5x85rTYz1cF; Tue, 14 Nov 2023 13:59:56 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=klop.ws; s=rw2; t=1699966796; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=VaX2QakZF6smWaSkXY6r5Np7hfLM7C5i/lWEfCHcJAw=; b=NmHHrZmLbk412F7Y2yI4l06TmhKhzzo9VfFTmMnQwDLvisoCoWmBpYEHO/WyDOFeKoMro4 6Cw+pfKxolOyJDF/7OZ0QZ5XEg55SCXh8KKkjfkGO0bol69O6PdUXtCgrKmmHBYJ4wqyJS ivCKh3Rg0bL1fddkR2rZaCFhvlm6aungLjtFgCK6y1DoWI8u2X4JLNkNmX8hfzO7fzIo08 6y1eeXY+0NNSE9wjLi+fz6ZDCFRkWiqVJ0vj/axWif0Se3jzUkGFK/dgC99q6hQSyyGruF nJ919uBdkLSLRFKY0LIRIiUl7ngBEG9rCxk2D85HglA+1Tlehlfubo1j3XIi5Q== Received: from rwvirtual46.colo.realworks.nl (localhost [127.0.0.1]) by rwvirtual46.colo.realworks.nl (Postfix) with ESMTP id AD41324051D; Tue, 14 Nov 2023 13:59:56 +0100 (CET) Date: Tue, 14 Nov 2023 13:59:56 +0100 (CET) From: Ronald Klop To: Konstantin Belousov Cc: Alexander Motin , current@freebsd.org Message-ID: <1900239445.5968.1699966796547@localhost> In-Reply-To: References: <349700057.3452.1699611152405@localhost> Subject: Re: crash zfs_clone_range() List-Id: Discussions about the use of FreeBSD-current List-Archive: https://lists.freebsd.org/archives/freebsd-current List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-current@freebsd.org MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_5967_382656657.1699966796420" X-Mailer: Realworks (679.16) X-Originating-Host: from (84-105-120-103.cable.dynamic.v4.ziggo.nl [84.105.120.103]) by rwvirtual46 [10.0.10.46] with HTTP; Tue, 14 Nov 2023 13:59:56 +0100 Importance: Normal X-Priority: 3 (Normal) X-Originating-User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:109.0) Gecko/20100101 Firefox/119.0 X-Spamd-Result: default: False [-3.20 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-1.00)[-0.999]; DMARC_POLICY_ALLOW(-0.50)[klop.ws,quarantine]; MID_RHS_NOT_FQDN(0.50)[]; FORGED_SENDER(0.30)[ronald-lists@klop.ws,SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl]; R_DKIM_ALLOW(-0.20)[klop.ws:s=rw2]; R_SPF_ALLOW(-0.20)[+ip4:87.255.56.128/26]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; MLMMJ_DEST(0.00)[current@freebsd.org]; FREEMAIL_TO(0.00)[gmail.com]; ASN(0.00)[asn:38930, ipnet:87.255.32.0/19, country:NL]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; DKIM_TRACE(0.00)[klop.ws:+]; FROM_NEQ_ENVFROM(0.00)[ronald-lists@klop.ws,SRS0=Pv4d=G3=klop.ws=ronald-lists@realworks.nl]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; HAS_X_PRIO_THREE(0.00)[3]; RCPT_COUNT_THREE(0.00)[3]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 4SV5xK2y2Tz3GmR X-Spamd-Bar: --- ------=_Part_5967_382656657.1699966796420 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Response below Van: Konstantin Belousov Datum: zondag, 12 november 2023 19:47 Aan: Alexander Motin CC: Ronald Klop , current@freebsd.org Onderwerp: Re: crash zfs_clone_range() > > On Sun, Nov 12, 2023 at 11:51:40AM -0500, Alexander Motin wrote: > > Hi Ronald, > > > > As I can see, the clone request to ZFS came through nullfs, and it crashed > > immediately on enter. I've never been a VFS layer expert, but to me it may > > be a nullfs problem, not zfs. Is there chance you was (un-)mounting > > something when this happened? > It is not nullfs issue, I believe, but the lack of the busy reference on the > upper mount. I think https://reviews.freebsd.org/D42554 should cover it. > > > > > On 10.11.2023 05:12, Ronald Klop wrote: > > > Hi, > > > > > > Had this crash today on RPI4/15-CURRENT. > > > > > > FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #19 > > > main-b0203aaa46-dirty: Sat Nov 4 11:48:33 CET 2023 ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG > > > arm64 > > > > > > $ sysctl -a | grep bclon > > > vfs.zfs.bclone_enabled: 1 > > > > > > I started a jail with poudriere to build a package. The jail uses null > > > mounts over ZFS. > > > > > > [root]# cu -s 115200 -l /dev/cuaU0 > > > Connected > > > > > > db> bt > > > Tracing pid 95213 tid 100438 td 0xffff0000e1e97900 > > > db_trace_self() at db_trace_self > > > db_stack_trace() at db_stack_trace+0x120 > > > db_command() at db_command+0x2e4 > > > db_command_loop() at db_command_loop+0x58 > > > db_trap() at db_trap+0x100 > > > kdb_trap() at kdb_trap+0x334 > > > handle_el1h_sync() at handle_el1h_sync+0x18 > > > --- exception, esr 0xf2000000 > > > kdb_enter() at kdb_enter+0x48 > > > vpanic() at vpanic+0x1dc > > > panic() at panic+0x48 > > > data_abort() at data_abort+0x2fc > > > handle_el1h_sync() at handle_el1h_sync+0x18 > > > --- exception, esr 0x96000004 > > > rms_rlock() at rms_rlock+0x1c > > > zfs_clone_range() at zfs_clone_range+0x68 > > > zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c > > > null_bypass() at null_bypass+0x118 > > > vn_copy_file_range() at vn_copy_file_range+0x18c > > > kern_copy_file_range() at kern_copy_file_range+0x36c > > > sys_copy_file_range() at sys_copy_file_range+0x8c > > > do_el0_sync() at do_el0_sync+0x634 > > > handle_el0_sync() at handle_el0_sync+0x48 > > > --- exception, esr 0x56000000 > > > > > > > > > Oh.. While typing this I rebooted the machine and it happened again. I > > > didn't start anything in particular although the machine runs some > > > jails. > > > > > > x0: 0x00000000000000e0 > > > x1: 0xffffa00090317a48 > > > x2: 0xffffa000f79d4f00 > > > x3: 0xffffa000c61a44a8 > > > x4: 0xffff0000deefe460 ($d.2 + 0xdd776560) > > > x5: 0xffffa001250e4c00 > > > x6: 0xffff0000e54025b5 ($d.5 + 0xc) > > > x7: 0x000000000000030a > > > x8: 0xffff0000e1559000 ($d.2 + 0xdfdd1100) > > > x9: 0x0000000000000001 > > > x10: 0x0000000000000000 > > > x11: 0x0000000000000001 > > > x12: 0x0000000000000002 > > > x13: 0x0000000000000000 > > > x14: 0x0000000000000001 > > > x15: 0x0000000000000000 > > > x16: 0xffff0000016dce88 (__stop_set_modmetadata_set + 0x1310) > > > x17: 0xffff0000004e0d44 (rms_rlock + 0x0) > > > x18: 0xffff0000deefe280 ($d.2 + 0xdd776380) > > > x19: 0x0000000000000000 > > > x20: 0xffff0000deefe460 ($d.2 + 0xdd776560) > > > x21: 0x7fffffffffffffff > > > x22: 0xffffa00090317a48 > > > x23: 0xffffa000f79d4f00 > > > x24: 0xffffa001067ef910 > > > x25: 0x00000000000000e0 > > > x26: 0xffffa000158a8000 > > > x27: 0x0000000000000000 > > > x28: 0xffffa000158a8000 > > > x29: 0xffff0000deefe280 ($d.2 + 0xdd776380) > > > sp: 0xffff0000deefe280 > > > lr: 0xffff000001623564 (zfs_clone_range + 0x6c) > > > elr: 0xffff0000004e0d60 (rms_rlock + 0x1c) > > > spsr: 0x00000000a0000045 > > > far: 0x0000000000000108 > > > esr: 0x0000000096000004 > > > panic: data abort in critical section or under mutex > > > cpuid = 1 > > > time = 1699610885 > > > KDB: stack backtrace: > > > db_trace_self() at db_trace_self > > > db_trace_self_wrapper() at db_trace_self_wrapper+0x38 > > > vpanic() at vpanic+0x1a0 > > > panic() at panic+0x48 > > > data_abort() at data_abort+0x2fc > > > handle_el1h_sync() at handle_el1h_sync+0x18 > > > --- exception, esr 0x96000004 > > > rms_rlock() at rms_rlock+0x1c > > > zfs_clone_range() at zfs_clone_range+0x68 > > > zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c > > > null_bypass() at null_bypass+0x118 > > > vn_copy_file_range() at vn_copy_file_range+0x18c > > > kern_copy_file_range() at kern_copy_file_range+0x36c > > > sys_copy_file_range() at sys_copy_file_range+0x8c > > > do_el0_sync() at do_el0_sync+0x634 > > > handle_el0_sync() at handle_el0_sync+0x48 > > > --- exception, esr 0x56000000 > > > KDB: enter: panic > > > [ thread pid 3792 tid 100394 ] > > > Stopped at kdb_enter+0x48: str xzr, [x19, #768] > > > db> > > > > > > I'll keep the debugger open for a while. Can I type something for > > > additional info? > > > > > > Regards, > > > Ronald. > > > > -- > > Alexander Motin > > > Hi, Build a new kernel today. FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #20 main-051d69d6f8: Tue Nov 14 12:16:28 CET 2023 ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG arm64 x0: 0x00000000000008e0 x1: 0xffffa0006ce1fb38 x2: 0xffffa0006837a400 x3: 0xffffa0012c503a48 x4: 0xffff0000eb0ef430 (next_index + 0x815d790) x5: 0xffffa00152636300 x6: 0xffff0000e2e025b5 ($d.5 + 0xc) x7: 0x000000000000030a x8: 0xffff0000eb3212c0 (next_index + 0x838f620) x9: 0x0000000000000001 x10: 0x0000000000000000 x11: 0x0000000000000001 x12: 0x0000000000000002 x13: 0x0000000000000000 x14: 0x0000000000000001 x15: 0x0000000000000000 x16: 0xffff0000016e5b58 (__stop_set_modmetadata_set + 0x1328) x17: 0xffff0000004e0c28 (rms_rlock + 0x0) x18: 0xffff0000eb0ef250 (next_index + 0x815d5b0) x19: 0x0000000000000800 x20: 0xffff0000eb0ef430 (next_index + 0x815d790) x21: 0x7fffffffffffffff x22: 0xffffa0006ce1fb38 x23: 0xffffa0006837a400 x24: 0xffffa001ee486000 x25: 0x00000000000008e0 x26: 0xffffa000135ca000 x27: 0x0000000000000800 x28: 0xffffa000135ca000 x29: 0xffff0000eb0ef250 (next_index + 0x815d5b0) sp: 0xffff0000eb0ef250 lr: 0xffff00000162bee8 (zfs_clone_range + 0x6c) elr: 0xffff0000004e0c44 (rms_rlock + 0x1c) spsr: 0x00000000a0000045 far: 0x0000000000000908 esr: 0x0000000096000004 panic: data abort in critical section or under mutex cpuid = 2 time = 1699966486 KDB: stack backtrace: db_trace_self() at db_trace_self db_trace_self_wrapper() at db_trace_self_wrapper+0x38 vpanic() at vpanic+0x1a0 panic() at panic+0x48 data_abort() at data_abort+0x2fc handle_el1h_sync() at handle_el1h_sync+0x18 --- exception, esr 0x96000004 rms_rlock() at rms_rlock+0x1c zfs_clone_range() at zfs_clone_range+0x68 zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c null_bypass() at null_bypass+0x118 vn_copy_file_range() at vn_copy_file_range+0x1c0 kern_copy_file_range() at kern_copy_file_range+0x36c sys_copy_file_range() at sys_copy_file_range+0x8c do_el0_sync() at do_el0_sync+0x634 handle_el0_sync() at handle_el0_sync+0x48 --- exception, esr 0x56000000 KDB: enter: panic [ thread pid 3620 tid 100911 ] Stopped at kdb_enter+0x48: str xzr, [x19, #768] db> This happens as soon as I start poudriere in a jenkins-agent jail. AFAIK this includes the two recent vn_copy_file_range changes of Konstantin. Next I will install a GENERIC kernel instead of GENERIC-NODEBUG. Regards, Ronald. ------=_Part_5967_382656657.1699966796420 Content-Type: text/html; charset=us-ascii Content-Transfer-Encoding: 7bit Response below
 

Van: Konstantin Belousov <kostikbel@gmail.com>
Datum: zondag, 12 november 2023 19:47
Aan: Alexander Motin <mav@freebsd.org>
CC: Ronald Klop <ronald-lists@klop.ws>, current@freebsd.org
Onderwerp: Re: crash zfs_clone_range()

On Sun, Nov 12, 2023 at 11:51:40AM -0500, Alexander Motin wrote:
> Hi Ronald,
>
> As I can see, the clone request to ZFS came through nullfs, and it crashed
> immediately on enter.  I've never been a VFS layer expert, but to me it may
> be a nullfs problem, not zfs.  Is there chance you was (un-)mounting
> something when this happened?
It is not nullfs issue, I believe, but the lack of the busy reference on the
upper mount.  I think https://reviews.freebsd.org/D42554 should cover it.

>
> On 10.11.2023 05:12, Ronald Klop wrote:
> > Hi,
> >
> > Had this crash today on RPI4/15-CURRENT.
> >
> > FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #19
> > main-b0203aaa46-dirty: Sat Nov  4 11:48:33 CET 2023     ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG
> > arm64
> >
> > $ sysctl -a | grep bclon
> > vfs.zfs.bclone_enabled: 1
> >
> > I started a jail with poudriere to build a package. The jail uses null
> > mounts over ZFS.
> >
> > [root]# cu -s 115200 -l /dev/cuaU0
> > Connected
> >
> > db> bt
> > Tracing pid 95213 tid 100438 td 0xffff0000e1e97900
> > db_trace_self() at db_trace_self
> > db_stack_trace() at db_stack_trace+0x120
> > db_command() at db_command+0x2e4
> > db_command_loop() at db_command_loop+0x58
> > db_trap() at db_trap+0x100
> > kdb_trap() at kdb_trap+0x334
> > handle_el1h_sync() at handle_el1h_sync+0x18
> > --- exception, esr 0xf2000000
> > kdb_enter() at kdb_enter+0x48
> > vpanic() at vpanic+0x1dc
> > panic() at panic+0x48
> > data_abort() at data_abort+0x2fc
> > handle_el1h_sync() at handle_el1h_sync+0x18
> > --- exception, esr 0x96000004
> > rms_rlock() at rms_rlock+0x1c
> > zfs_clone_range() at zfs_clone_range+0x68
> > zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c
> > null_bypass() at null_bypass+0x118
> > vn_copy_file_range() at vn_copy_file_range+0x18c
> > kern_copy_file_range() at kern_copy_file_range+0x36c
> > sys_copy_file_range() at sys_copy_file_range+0x8c
> > do_el0_sync() at do_el0_sync+0x634
> > handle_el0_sync() at handle_el0_sync+0x48
> > --- exception, esr 0x56000000
> >
> >
> > Oh.. While typing this I rebooted the machine and it happened again. I
> > didn't start anything in particular although the machine runs some
> > jails.
> >
> > x0: 0x00000000000000e0
> >    x1: 0xffffa00090317a48
> >    x2: 0xffffa000f79d4f00
> >    x3: 0xffffa000c61a44a8
> >    x4: 0xffff0000deefe460 ($d.2 + 0xdd776560)
> >    x5: 0xffffa001250e4c00
> >    x6: 0xffff0000e54025b5 ($d.5 + 0xc)
> >    x7: 0x000000000000030a
> >    x8: 0xffff0000e1559000 ($d.2 + 0xdfdd1100)
> >    x9: 0x0000000000000001
> >   x10: 0x0000000000000000
> >   x11: 0x0000000000000001
> >   x12: 0x0000000000000002
> >   x13: 0x0000000000000000
> >   x14: 0x0000000000000001
> >   x15: 0x0000000000000000
> >   x16: 0xffff0000016dce88 (__stop_set_modmetadata_set + 0x1310)
> >   x17: 0xffff0000004e0d44 (rms_rlock + 0x0)
> >   x18: 0xffff0000deefe280 ($d.2 + 0xdd776380)
> >   x19: 0x0000000000000000
> >   x20: 0xffff0000deefe460 ($d.2 + 0xdd776560)
> >   x21: 0x7fffffffffffffff
> >   x22: 0xffffa00090317a48
> >   x23: 0xffffa000f79d4f00
> >   x24: 0xffffa001067ef910
> >   x25: 0x00000000000000e0
> >   x26: 0xffffa000158a8000
> >   x27: 0x0000000000000000
> >   x28: 0xffffa000158a8000
> >   x29: 0xffff0000deefe280 ($d.2 + 0xdd776380)
> >    sp: 0xffff0000deefe280
> >    lr: 0xffff000001623564 (zfs_clone_range + 0x6c)
> >   elr: 0xffff0000004e0d60 (rms_rlock + 0x1c)
> > spsr: 0x00000000a0000045
> >   far: 0x0000000000000108
> >   esr: 0x0000000096000004
> > panic: data abort in critical section or under mutex
> > cpuid = 1
> > time = 1699610885
> > KDB: stack backtrace:
> > db_trace_self() at db_trace_self
> > db_trace_self_wrapper() at db_trace_self_wrapper+0x38
> > vpanic() at vpanic+0x1a0
> > panic() at panic+0x48
> > data_abort() at data_abort+0x2fc
> > handle_el1h_sync() at handle_el1h_sync+0x18
> > --- exception, esr 0x96000004
> > rms_rlock() at rms_rlock+0x1c
> > zfs_clone_range() at zfs_clone_range+0x68
> > zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c
> > null_bypass() at null_bypass+0x118
> > vn_copy_file_range() at vn_copy_file_range+0x18c
> > kern_copy_file_range() at kern_copy_file_range+0x36c
> > sys_copy_file_range() at sys_copy_file_range+0x8c
> > do_el0_sync() at do_el0_sync+0x634
> > handle_el0_sync() at handle_el0_sync+0x48
> > --- exception, esr 0x56000000
> > KDB: enter: panic
> > [ thread pid 3792 tid 100394 ]
> > Stopped at      kdb_enter+0x48: str     xzr, [x19, #768]
> > db>
> >
> > I'll keep the debugger open for a while. Can I type something for
> > additional info?
> >
> > Regards,
> > Ronald.
>
> --
> Alexander Motin


Hi,

Build a new kernel today.
FreeBSD rpi4 15.0-CURRENT FreeBSD 15.0-CURRENT #20 main-051d69d6f8: Tue Nov 14 12:16:28 CET 2023     ronald@rpi4:/home/ronald/dev/freebsd/obj/home/ronald/dev/freebsd/src/arm64.aarch64/sys/GENERIC-NODEBUG arm64

x0: 0x00000000000008e0                                                                                                         
  x1: 0xffffa0006ce1fb38                                                                                                                
  x2: 0xffffa0006837a400                                                                                                                
  x3: 0xffffa0012c503a48                                                                                                                
  x4: 0xffff0000eb0ef430 (next_index + 0x815d790)                                                                                       
  x5: 0xffffa00152636300                                                                                                                
  x6: 0xffff0000e2e025b5 ($d.5 + 0xc)                                                                                                   
  x7: 0x000000000000030a                                                                                                                
  x8: 0xffff0000eb3212c0 (next_index + 0x838f620)                                                                                       
  x9: 0x0000000000000001                                                                                                                
 x10: 0x0000000000000000                                                                                                                
 x11: 0x0000000000000001                                                                                                                
 x12: 0x0000000000000002                                                                                                                
 x13: 0x0000000000000000                                                                                                                
 x14: 0x0000000000000001                                                                                                                
 x15: 0x0000000000000000
 x16: 0xffff0000016e5b58 (__stop_set_modmetadata_set + 0x1328)
 x17: 0xffff0000004e0c28 (rms_rlock + 0x0)
 x18: 0xffff0000eb0ef250 (next_index + 0x815d5b0)
 x19: 0x0000000000000800
 x20: 0xffff0000eb0ef430 (next_index + 0x815d790)
 x21: 0x7fffffffffffffff
 x22: 0xffffa0006ce1fb38
 x23: 0xffffa0006837a400
 x24: 0xffffa001ee486000
 x25: 0x00000000000008e0
 x26: 0xffffa000135ca000
 x27: 0x0000000000000800
 x28: 0xffffa000135ca000
 x29: 0xffff0000eb0ef250 (next_index + 0x815d5b0)
  sp: 0xffff0000eb0ef250
  lr: 0xffff00000162bee8 (zfs_clone_range + 0x6c)
 elr: 0xffff0000004e0c44 (rms_rlock + 0x1c)
spsr: 0x00000000a0000045
 far: 0x0000000000000908
 esr: 0x0000000096000004
panic: data abort in critical section or under mutex
cpuid = 2
time = 1699966486
KDB: stack backtrace:
db_trace_self() at db_trace_self
db_trace_self_wrapper() at db_trace_self_wrapper+0x38
vpanic() at vpanic+0x1a0
panic() at panic+0x48
data_abort() at data_abort+0x2fc
handle_el1h_sync() at handle_el1h_sync+0x18
--- exception, esr 0x96000004
rms_rlock() at rms_rlock+0x1c
zfs_clone_range() at zfs_clone_range+0x68
zfs_freebsd_copy_file_range() at zfs_freebsd_copy_file_range+0x19c
null_bypass() at null_bypass+0x118
vn_copy_file_range() at vn_copy_file_range+0x1c0
kern_copy_file_range() at kern_copy_file_range+0x36c
sys_copy_file_range() at sys_copy_file_range+0x8c
do_el0_sync() at do_el0_sync+0x634
handle_el0_sync() at handle_el0_sync+0x48
--- exception, esr 0x56000000
KDB: enter: panic
[ thread pid 3620 tid 100911 ]
Stopped at      kdb_enter+0x48: str     xzr, [x19, #768]
db>

This happens as soon as I start poudriere in a jenkins-agent jail.

AFAIK this includes the two recent vn_copy_file_range changes of Konstantin.

Next I will install a GENERIC kernel instead of GENERIC-NODEBUG.

Regards,
Ronald.
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