Date: Fri, 11 Dec 2015 06:46:10 -0600 From: Karl Denninger <karl@denninger.net> To: freebsd-stable@freebsd.org Subject: Re: Something in r291926 (and earlier) causes reboots during periodic daily (14 jails on system) Message-ID: <566AC592.80106@denninger.net> In-Reply-To: <20151211085642.0000652e@Leidinger.net> References: <20151209090049.000003db@Leidinger.net> <5667E86F.3050906@quip.cz> <20151209105144.000035be@Leidinger.net> <3923D6D6-E907-4B6C-931A-12CD7B863415@ebureau.com> <20151210120326.00005928@Leidinger.net> <56697E1F.6050604@denninger.net> <20151211085642.0000652e@Leidinger.net>
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[-- Attachment #1 --] That's sorta what I expected..... First thing I'd try -- turn off UMA for ZFS. It will have a performance impact but it eliminates one of the issues that I had to do a lot of work to get around in the patch I developed. In /boot/loader.conf: vfs.zfs.zio.use_uma=0 And reboot. On 12/11/2015 01:56, Alexander Leidinger wrote: > On Thu, 10 Dec 2015 07:29:03 -0600 > Karl Denninger <karl@denninger.net> wrote: > >> On 12/10/2015 05:03, Alexander Leidinger wrote: >>> On Wed, 9 Dec 2015 15:15:10 -0600 >>> Dustin Wenz <dustinwenz@ebureau.com> wrote: >>> >>>> Are you by chance using the ARC patch from this PR? >>>> >>>> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=187594 >>> No (despite the fact that I would like to have it hit the tree). >>> >>>> Do you have a vfs.zfs.dynamic_write_buffer tunable defined, if so, >>>> what is it set to? >>> No. >>> >>> Bye, >>> Alexander. >>> >> Wait a minute... you have a panic coming out of running the periodic >> jobs and you do _*not*_ have the patch loaded? Got a dump available >> from that? >> > To make it explicit about what is patched on this system or not: > # svnlite status > M etc/rc.d/localpkg > M lib/libc/Makefile > M lib/libutil/Makefile > M lib/msun/Makefile > M libexec/rtld-elf/Makefile > M sbin/dump/dumprmt.c > M sbin/dump/itime.c > M sbin/dump/optr.c > M sbin/dump/tape.c > M sbin/restore/dirs.c > M sbin/restore/symtab.c > M sbin/restore/tape.c > ? sys/amd64/conf/ANDROMEDA > M sys/dev/drm/drmP.h > M sys/dev/e1000/if_igb.c > M sys/dev/usb/serial/ulpt.c > M sys/fs/cd9660/cd9660_vfsops.c > M sys/fs/msdosfs/msdosfs_vfsops.c > M sys/fs/smbfs/smbfs_vfsops.c > M sys/fs/udf/udf_vfsops.c > M sys/fs/unionfs/union_vfsops.c > M sys/gnu/fs/reiserfs/reiserfs_vfsops.c > M sys/kern/kern_jail.c > M sys/kern/kern_sig.c > M sys/kern/subr_bus.c > M sys/sys/jail.h > M usr.sbin/adduser/adduser.sh > M usr.sbin/adduser/rmuser.sh > M usr.sbin/nfsd/nfsd.c > M usr.sbin/watchdogd/Makefile > > Unfortunately I don't have a dump. Every crash so far didn't lead to a > core in the dump device (the thread on stable has a stacktrace: > https://lists.freebsd.org/pipermail/freebsd-stable/2015-December/083807.html). > No idea why I don't get a dump. > > # grep dump /etc/rc.conf /boot/loader.conf > /etc/rc.conf:dumpdev="/dev/ada3p2" > /boot/loader.conf:dumpdev="/dev/ada3p2" > > # savecore -C /dev/ada3p2 > > # ll /var/crash > total 9 > -rw-r--r-- 1 root wheel 3B Nov 11 08:45 bounds > -rw-r--r-- 1 root wheel 5B Apr 28 2011 minfree > > Bye, > Alexander. > -- Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ [-- Attachment #2 --] 0 *H 010 `He 0 *H _0[0C)0 *H 01 0 UUS10UFlorida10U Niceville10U Cuda Systems LLC1 0UCuda Systems LLC CA1"0 *H Cuda Systems LLC CA0 150421022159Z 200419022159Z0Z1 0 UUS10UFlorida10U Cuda Systems LLC1 0 UKarl Denninger (OCSP)0"0 *H 0 X@vkY Tq/vE]5#֯MX \8LJ/V?5Da+ sJc*/r{ȼnS+ w")ąZ^DtdCOZ ~7Q '@a#ijc۴oZdB&!Ӝ-< ? HN5y 5}F|e f"V لio74zn">a1qWuɖbFeGE&3(KhixG3!#e_XƬ Ϝ/,$+;4y 'Bz<qT9_?rRUpn5 Jn&Rx/p Jyel*pN8/#9u/YP EC)TY>~/˘N[vyiDKˉ ,^" ?$T8 v& K%z8C @?K{9f`+@,| Mbia 007++0)0'+0http://cudasystems.net:88880 U 0 0 `HB0 U 0, `HB OpenSSL Generated Certificate0 U -h\Ff Y0 U #0$q}ݽʒm50 U 0karl@denninger.net0 *H Owbabɺx&Uk[ (Oj!%p MQ0I!#QH}.>~2&D}<wm_>V6 v ]f>=Nn+8;q wfΰ/RLyUG#b}n!Dր _up|_ǰc/%ۥ nN8:d;-UJd/m1~VނיnN I˾$tF1&}|?q?\đXԑ&\4V<lKۮ3%Am_(q -(cAeGX)f}-˥6cv~Kg8m~v ;|9:-iAPқ6ېn-.)<[$KJtt/L4ᖣ^Cmu4vb{+BG$M0c\[MR|0FԸP&78"4p# }D Z9;V9#>Sw"[UP710001 0 UUS10UFlorida10U Niceville10U Cuda Systems LLC1 0UCuda Systems LLC CA1"0 *H Cuda Systems LLC CA)0 `He M0 *H 1 *H 0 *H 1 151211124610Z0O *H 1B@;w>I^N ncTty5 !W|$ƿESpB;}0l *H 1_0]0 `He*0 `He0 *H 0*H 0 *H @0+0 *H (0 +71001 0 UUS10UFlorida10U Niceville10U Cuda Systems LLC1 0UCuda Systems LLC CA1"0 *H Cuda Systems LLC CA)0 *H 101 0 UUS10UFlorida10U Niceville10U Cuda Systems LLC1 0UCuda Systems LLC CA1"0 *H Cuda Systems LLC CA)0 *H Na{}S4!qXf vVȳ pDrXtu]j9l~c4QXO>:4tkT4 bVt>=P/$߽"ynQ 'A{_u ?"H4aBJ UK7Ixl5@cE"bj5W^ ++7Vxʶ§$vg _ .lUfU@=n`H}&-Fg/l`K /]j<GC;cK) 6ZNL:"1w1YK4x?P d0<njA9Y Q -E|?^*mg^qR>}YWJ.f[TG֙Ht2 iE)(hy#hPU'ds$hʠω\! ƧU &~[#﮸Ȟ_ n'XKVB 9 7Y
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