Date: Mon, 15 Jan 2024 09:31:16 +0100 From: Peter Blok <pblok@bsd4all.org> To: FreeBSD User <freebsd@walstatt-de.de> Cc: Cy Schubert <Cy.Schubert@cschubert.com>, Rick Macklem <rick.macklem@gmail.com>, Ronald Klop <ronald-lists@klop.ws>, FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: NFSv4 crash of CURRENT Message-ID: <D6D597BF-A98B-4864-B754-CB0B9A7A5A66@bsd4all.org> In-Reply-To: <20240115064704.611fe0c4@thor.intern.walstatt.dynvpn.de> References: <20240113193324.3fd54295@thor.intern.walstatt.dynvpn.de> <1369645989.13766.1705178331205@localhost> <CAM5tNy5aat8vUn2fsX9jV=D9yGZdnO20Q0Ea7qtszx%2BzSES2bw@mail.gmail.com> <20240115043412.B6998C8@slippy.cwsent.com> <20240115064704.611fe0c4@thor.intern.walstatt.dynvpn.de>
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--Apple-Mail=_4DC50FFC-0461-4C1F-9E20-CFD2DE6F9458 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Hi, I do have a crash on a NFS client with stable of today = (4c4633fdffbe8e4b6d328c2bc9bb3edacc9ab50a). It is also autofs related. = Maybe it is the same problem. I have ports automounted on /am/ports. When I do cd /am/ports/sys and = type tab to autocomplete it crashes with the below stack trace. If I = plainly mount ports on /usr/ports and do the same everything works. I am = using NFSv3 Peter Fatal trap 12: page fault while in kernel mode cpuid =3D 2; apic id =3D 04 fault virtual address =3D 0x89 fault code =3D supervisor read data, page not present instruction pointer =3D 0x20:0xffffffff809645d4 stack pointer =3D 0x28:0xfffffe00acadb830 frame pointer =3D 0x28:0xfffffe00acadb830 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 6869 (csh) trap number =3D 12 panic: page fault cpuid =3D 2 time =3D 1705306940 KDB: stack backtrace: #0 0xffffffff806232f5 at kdb_backtrace+0x65 #1 0xffffffff805d7a02 at vpanic+0x152 #2 0xffffffff805d78a3 at panic+0x43 #3 0xffffffff809d58ad at trap_fatal+0x38d #4 0xffffffff809d58ff at trap_pfault+0x4f #5 0xffffffff809af048 at calltrap+0x8 #6 0xffffffff804c7a7e at ncl_bioread+0xb7e #7 0xffffffff804b9d90 at nfs_readdir+0x1f0 #8 0xffffffff8069c61a at vop_sigdefer+0x2a #9 0xffffffff809f8ae0 at VOP_READDIR_APV+0x20 #10 0xffffffff81ce75de at autofs_readdir+0x2ce #11 0xffffffff809f8ae0 at VOP_READDIR_APV+0x20 #12 0xffffffff806c3002 at kern_getdirentries+0x222 #13 0xffffffff806c33a9 at sys_getdirentries+0x29 #14 0xffffffff809d6180 at amd64_syscall+0x110 #15 0xffffffff809af95b at fast_syscall_common+0xf8 > On 15 Jan 2024, at 06:46, FreeBSD User <freebsd@walstatt-de.de> wrote: >=20 > Am Sun, 14 Jan 2024 20:34:12 -0800 > Cy Schubert <Cy.Schubert@cschubert.com = <mailto:Cy.Schubert@cschubert.com>> schrieb: >=20 >> In message = <CAM5tNy5aat8vUn2fsX9jV=3DD9yGZdnO20Q0Ea7qtszx+zSES2bw@mail.gmail.c >> om> =20 >> , Rick Macklem writes: >>> On Sat, Jan 13, 2024 at 12:39=3DE2=3D80=3DAFPM Ronald Klop = <ronald-lists@klop.ws>=3D >>> wrote: =20 >>>>=20 >>>>=20 >>>> Van: FreeBSD User <freebsd@walstatt-de.de> >>>> Datum: 13 januari 2024 19:34 >>>> Aan: FreeBSD CURRENT <freebsd-current@freebsd.org> >>>> Onderwerp: NFSv4 crash of CURRENT >>>>=20 >>>> Hello, >>>>=20 >>>> running CURRENT client (FreeBSD 15.0-CURRENT #4 = main-n267556-69748e62e82a=3D =20 >>> : Sat Jan 13 18:08:32 =20 >>>> CET 2024 amd64). One NFSv4 server is same OS revision as the = mentioned cl=3D =20 >>> ient, other is FreeBSD =20 >>>> 13.2-RELEASE-p8. Both offer NFSv4 filesystems, non-kerberized. >>>>=20 >>>> I can crash the client reproducable by accessing the one or other = NFSv4 F=3D =20 >>> S (a simple ls -la). =20 >>>> The NFSv4 FS is backed by ZFS (if this matters). I do not have = physicla a=3D =20 >>> ccess to the client =20 >>>> host, luckily the box recovers. =20 >>> Did you rebuild both the nfscommon and nfscl modules from the same = sources? >>> I did a commit to main that changes the interface between these two >>> modules and did bump the >>> __FreeBSD_version to 1500010, which should cause both to be rebuilt. >>> (If you have "options NFSCL" in your kernel config, both should have >>> been rebuilt as a part of >>> the kernel build.) >>>=20 >>=20 >> Is anyone by chance seeing autofs in the backtrace too? >>=20 >>=20 >=20 > Hello Cy Shubert, >=20 > I forgot to mention that those crashes occur with autofs mounted = filesystems. Good question, > by the way, I will check whether crashes also happen when mounting the = tradidional way. >=20 > Kind regards, >=20 > oh >=20 > --=20 > O. Hartmann --Apple-Mail=_4DC50FFC-0461-4C1F-9E20-CFD2DE6F9458 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii <html><head><meta http-equiv=3D"Content-Type" content=3D"text/html; = charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; = -webkit-nbsp-mode: space; line-break: after-white-space;" = class=3D"">Hi,<div class=3D""><br class=3D""></div><div class=3D"">I do = have a crash on a NFS client with stable of today = (4c4633fdffbe8e4b6d328c2bc9bb3edacc9ab50a). It is also autofs related. = Maybe it is the same problem.</div><div class=3D""><br = class=3D""></div><div class=3D"">I have ports automounted on /am/ports. = When I do cd /am/ports/sys and type tab to autocomplete it crashes with = the below stack trace. If I plainly mount ports on /usr/ports and do the = same everything works. I am using NFSv3</div><div class=3D""><br = class=3D""></div><div class=3D"">Peter</div><div class=3D""><br = class=3D""></div><div class=3D""><br class=3D""></div><div class=3D""><br = class=3D""></div><div class=3D""><br class=3D""></div><div class=3D""><div= class=3D"">Fatal trap 12: page fault while in kernel mode</div><div = class=3D"">cpuid =3D 2; apic id =3D 04</div><div class=3D"">fault = virtual address<span class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span>=3D 0x89</div><div class=3D"">fault code<span = class=3D"Apple-tab-span" style=3D"white-space:pre"> </span>=3D= supervisor read data, page not present</div><div class=3D"">instruction = pointer<span class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span>=3D 0x20:0xffffffff809645d4</div><div class=3D"">stack = pointer<span class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span> =3D 0x28:0xfffffe00acadb830</div><div = class=3D"">frame pointer<span class=3D"Apple-tab-span" = style=3D"white-space:pre"> </span> =3D = 0x28:0xfffffe00acadb830</div><div class=3D"">code segment<span = class=3D"Apple-tab-span" style=3D"white-space:pre"> </span>=3D= base 0x0, limit 0xfffff, type 0x1b</div><div class=3D""><span = class=3D"Apple-tab-span" style=3D"white-space:pre"> = </span>=3D DPL 0, pres 1, long 1, def32 0, gran 1</div><div = class=3D"">processor eflags<span class=3D"Apple-tab-span" = style=3D"white-space:pre"> </span>=3D interrupt enabled, resume, = IOPL =3D 0</div><div class=3D"">current process<span = class=3D"Apple-tab-span" style=3D"white-space:pre"> </span>=3D= 6869 (csh)</div><div class=3D"">trap number<span class=3D"Apple-tab-span"= style=3D"white-space:pre"> </span>=3D 12</div><div = class=3D"">panic: page fault</div><div class=3D"">cpuid =3D 2</div><div = class=3D"">time =3D 1705306940</div><div class=3D"">KDB: stack = backtrace:</div><div class=3D"">#0 0xffffffff806232f5 at = kdb_backtrace+0x65</div><div class=3D"">#1 0xffffffff805d7a02 at = vpanic+0x152</div><div class=3D"">#2 0xffffffff805d78a3 at = panic+0x43</div><div class=3D"">#3 0xffffffff809d58ad at = trap_fatal+0x38d</div><div class=3D"">#4 0xffffffff809d58ff at = trap_pfault+0x4f</div><div class=3D"">#5 0xffffffff809af048 at = calltrap+0x8</div><div class=3D"">#6 0xffffffff804c7a7e at = ncl_bioread+0xb7e</div><div class=3D"">#7 0xffffffff804b9d90 at = nfs_readdir+0x1f0</div><div class=3D"">#8 0xffffffff8069c61a at = vop_sigdefer+0x2a</div><div class=3D"">#9 0xffffffff809f8ae0 at = VOP_READDIR_APV+0x20</div><div class=3D"">#10 0xffffffff81ce75de at = autofs_readdir+0x2ce</div><div class=3D"">#11 0xffffffff809f8ae0 at = VOP_READDIR_APV+0x20</div><div class=3D"">#12 0xffffffff806c3002 at = kern_getdirentries+0x222</div><div class=3D"">#13 0xffffffff806c33a9 at = sys_getdirentries+0x29</div><div class=3D"">#14 0xffffffff809d6180 at = amd64_syscall+0x110</div><div class=3D"">#15 0xffffffff809af95b at = fast_syscall_common+0xf8</div></div><div class=3D""><div><br = class=3D""></div><div><br class=3D""></div><div><br class=3D""><blockquote= type=3D"cite" class=3D""><div class=3D"">On 15 Jan 2024, at 06:46, = FreeBSD User <<a href=3D"mailto:freebsd@walstatt-de.de" = class=3D"">freebsd@walstatt-de.de</a>> wrote:</div><br = class=3D"Apple-interchange-newline"><div class=3D""><meta = charset=3D"UTF-8" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Am Sun, 14 Jan 2024 20:34:12 -0800</span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;" class=3D"">Cy Schubert <</span><a = href=3D"mailto:Cy.Schubert@cschubert.com" style=3D"font-family: = Helvetica; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; orphans: auto; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; = -webkit-text-stroke-width: 0px;" = class=3D"">Cy.Schubert@cschubert.com</a><span style=3D"caret-color: = rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">> schrieb:</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><blockquote type=3D"cite" = style=3D"font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = orphans: auto; text-align: start; text-indent: 0px; text-transform: = none; white-space: normal; widows: auto; word-spacing: 0px; = -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D"">In message <<a = href=3D"mailto:CAM5tNy5aat8vUn2fsX9jV=3DD9yGZdnO20Q0Ea7qtszx+zSES2bw@mail.= gmail.c" = class=3D"">CAM5tNy5aat8vUn2fsX9jV=3DD9yGZdnO20Q0Ea7qtszx+zSES2bw@mail.gmai= l.c</a><br class=3D"">om> <br class=3D"">, Rick Macklem = writes:<br class=3D""><blockquote type=3D"cite" class=3D"">On Sat, Jan = 13, 2024 at 12:39=3DE2=3D80=3DAFPM Ronald Klop <<a = href=3D"mailto:ronald-lists@klop.ws" = class=3D"">ronald-lists@klop.ws</a>>=3D<br class=3D"">wrote: = <br class=3D""><blockquote type=3D"cite" class=3D""><br = class=3D""><br class=3D"">Van: FreeBSD User <<a = href=3D"mailto:freebsd@walstatt-de.de" = class=3D"">freebsd@walstatt-de.de</a>><br class=3D"">Datum: 13 = januari 2024 19:34<br class=3D"">Aan: FreeBSD CURRENT <<a = href=3D"mailto:freebsd-current@freebsd.org" = class=3D"">freebsd-current@freebsd.org</a>><br class=3D"">Onderwerp: = NFSv4 crash of CURRENT<br class=3D""><br class=3D"">Hello,<br = class=3D""><br class=3D"">running CURRENT client (FreeBSD 15.0-CURRENT = #4 main-n267556-69748e62e82a=3D <br class=3D""></blockquote>: Sat = Jan 13 18:08:32 <br class=3D""><blockquote type=3D"cite" = class=3D"">CET 2024 amd64). One NFSv4 server is same OS revision as the = mentioned cl=3D <br class=3D""></blockquote>ient, other is FreeBSD = <br class=3D""><blockquote type=3D"cite" class=3D"">13.2-RELEASE-p8.= Both offer NFSv4 filesystems, non-kerberized.<br class=3D""><br = class=3D"">I can crash the client reproducable by accessing the one or = other NFSv4 F=3D <br class=3D""></blockquote>S (a simple ls -la). = <br class=3D""><blockquote type=3D"cite" class=3D"">The NFSv4 FS = is backed by ZFS (if this matters). I do not have physicla a=3D = <br class=3D""></blockquote>ccess to the client <br = class=3D""><blockquote type=3D"cite" class=3D"">host, luckily the box = recovers. <br class=3D""></blockquote>Did you rebuild both the = nfscommon and nfscl modules from the same sources?<br class=3D"">I did a = commit to main that changes the interface between these two<br = class=3D"">modules and did bump the<br class=3D"">__FreeBSD_version to = 1500010, which should cause both to be rebuilt.<br class=3D"">(If you = have "options NFSCL" in your kernel config, both should have<br = class=3D"">been rebuilt as a part of<br class=3D"">the kernel build.)<br = class=3D""><br class=3D""></blockquote><br class=3D"">Is anyone by = chance seeing autofs in the backtrace too?<br class=3D""><br = class=3D""><br class=3D""></blockquote><br style=3D"caret-color: rgb(0, = 0, 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Hello Cy Shubert,</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">I forgot to mention that those crashes occur with autofs = mounted filesystems. Good question,</span><br style=3D"caret-color: = rgb(0, 0, 0); font-family: Helvetica; font-size: 13px; font-style: = normal; font-variant-caps: normal; font-weight: 400; letter-spacing: = normal; text-align: start; text-indent: 0px; text-transform: none; = white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">by the way, I will check whether crashes also happen when = mounting the tradidional way.</span><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">Kind regards,</span><br style=3D"caret-color: rgb(0, 0, 0); = font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><br style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none;" class=3D""><span style=3D"caret-color: rgb(0, 0, = 0); font-family: Helvetica; font-size: 13px; font-style: normal; = font-variant-caps: normal; font-weight: 400; letter-spacing: normal; = text-align: start; text-indent: 0px; text-transform: none; white-space: = normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; = text-decoration: none; float: none; display: inline !important;" = class=3D"">oh</span><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><br style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none;" class=3D""><span style=3D"caret-color: rgb(0, 0, 0); font-family: = Helvetica; font-size: 13px; font-style: normal; font-variant-caps: = normal; font-weight: 400; letter-spacing: normal; text-align: start; = text-indent: 0px; text-transform: none; white-space: normal; = word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: = none; float: none; display: inline !important;" class=3D"">--<span = class=3D"Apple-converted-space"> </span></span><br = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none;" class=3D""><span = style=3D"caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: = 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; = letter-spacing: normal; text-align: start; text-indent: 0px; = text-transform: none; white-space: normal; word-spacing: 0px; = -webkit-text-stroke-width: 0px; text-decoration: none; float: none; = display: inline !important;" class=3D"">O. = Hartmann</span></div></blockquote></div><br = class=3D""></div></body></html>= --Apple-Mail=_4DC50FFC-0461-4C1F-9E20-CFD2DE6F9458--
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