I decided to try something more useful for debugging and built OpenAFS 1.8.0
with "--enable-debug-kernel --disable-optimize-kernel --disable-strip-binaries
--enable-debug --disable-optimize". This is on FreeBSD 11.1 with the fix for
afs_vcache.c. The kernel panic is definitely not limited to stopping afsd. I
have seen the panic when unpacking a tar file in an afs directory. Below is
some kgdb output which might help. I can provide more if someone tells me what
to look for. I can also try rebuilding the system with an actual partition for
/var/openafs/cache, rather than using a ZFS block device, if anyone thinks that
might make a difference.
Thanks,
Michael
-----
# kgdb /boot/kernel/kernel vmcore.last
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB. Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Unread portion of the kernel message buffer:
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 56194 (bsdtar)
trap number = 12
panic: page fault
cpuid = 3
KDB: stack backtrace:
#0 0xffffffff80aaf087 at kdb_backtrace+0x67
#1 0xffffffff80a6d166 at vpanic+0x186
#2 0xffffffff80a6cfd3 at panic+0x43
#3 0xffffffff80eef192 at trap_fatal+0x322
#4 0xffffffff80eef1eb at trap_pfault+0x4b
#5 0xffffffff80eee948 at trap+0x2a8
#6 0xffffffff80ed03e0 at calltrap+0x8
#7 0xffffffff826a685c at afs_FlushVCache+0x38c
#8 0xffffffff82733818 at afs_vop_reclaim+0x138
#9 0xffffffff8105e219 at VOP_RECLAIM_APV+0x89
#10 0xffffffff80b2b7fc at vgonel+0x21c
#11 0xffffffff80b2bd70 at vgone+0x40
#12 0xffffffff82730fc4 at osi_TryEvictVCache+0x1b4
#13 0xffffffff826a86fe at afs_ShakeLooseVCaches+0x23e
#14 0xffffffff826a8a39 at afs_NewVCache_int+0x49
#15 0xffffffff826a89e4 at afs_NewVCache+0x24
#16 0xffffffff826aa11d at afs_GetVCache+0x24d
#17 0xffffffff826b6514 at afs_mkdir+0x12f4
Uptime: 1h30m33s
Dumping 1534 out of 32727 MB:..2%..11%..21%..31%..41%..51%..61%..71%..81%..91%
Reading symbols from /boot/kernel/zfs.ko...Reading symbols from /usr/lib/debug//
boot/kernel/zfs.ko.debug...done.
done.
Loaded symbols for /boot/kernel/zfs.ko
Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from /usr/lib
/debug//boot/kernel/opensolaris.ko.debug...done.
done.
Loaded symbols for /boot/kernel/opensolaris.ko
Reading symbols from /boot/kernel/uhid.ko...Reading symbols from /usr/lib/debug/
/boot/kernel/uhid.ko.debug...done.
done.
Loaded symbols for /boot/kernel/uhid.ko
Reading symbols from /boot/kernel/pflog.ko...Reading symbols from /usr/lib/debug
//boot/kernel/pflog.ko.debug...done.
done.
Loaded symbols for /boot/kernel/pflog.ko
Reading symbols from /boot/kernel/pf.ko...Reading symbols from /usr/lib/debug//b
oot/kernel/pf.ko.debug...done.
done.
Loaded symbols for /boot/kernel/pf.ko
Reading symbols from /boot/modules/libafs.ko...Reading symbols from /usr/lib/deb
ug//boot/modules/libafs.ko.debug...done.
done.
Loaded symbols for /boot/modules/libafs.ko
#0 doadump (textdump=<value optimized out>) at pcpu.h:229
229 pcpu.h: No such file or directory.
in pcpu.h
(kgdb) where
#0 doadump (textdump=<value optimized out>) at pcpu.h:229
#1 0xffffffff80a6cce1 in kern_reboot (howto=260)
at /usr/src/sys/kern/kern_shutdown.c:366
#2 0xffffffff80a6d1a0 in vpanic (fmt=<value optimized out>,
ap=<value optimized out>) at /usr/src/sys/kern/kern_shutdown.c:759
#3 0xffffffff80a6cfd3 in panic (fmt=<value optimized out>)
at /usr/src/sys/kern/kern_shutdown.c:690
#4 0xffffffff80eef192 in trap_fatal (frame=0xfffffe085e480f10, eva=468)
at /usr/src/sys/amd64/amd64/trap.c:878
#5 0xffffffff80eef1eb in trap_pfault (frame=0xfffffe085e480f10, usermode=0)
at pcpu.h:229
#6 0xffffffff80eee948 in trap (frame=0xfffffe085e480f10)
at /usr/src/sys/amd64/amd64/trap.c:422
#7 0xffffffff80ed03e0 in calltrap ()
at /usr/src/sys/amd64/amd64/exception.S:231
#8 0xffffffff826a6b93 in afs_StaleVCacheFlags (avc=0xfffffe003e0161d0,
flags=2, cflags=4097)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:3256
#9 0xffffffff826a685c in afs_FlushVCache (avc=0xfffffe003e0161d0,
slept=0xfffffe085e4810c0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:251
#10 0xffffffff82733818 in afs_vop_reclaim (ap=0xfffffe085e481118)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/FBSD/osi_vnodeops.c:1505
#11 0xffffffff8105e219 in VOP_RECLAIM_APV (vop=<value optimized out>,
a=0xfffffe085e481118) at vnode_if.c:2021
#12 0xffffffff80b2b7fc in vgonel (vp=0xfffff80449c0b588) at vnode_if.h:830
#13 0xffffffff80b2bd70 in vgone (vp=0xfffff80449c0b588)
at /usr/src/sys/kern/vfs_subr.c:3134
#14 0xffffffff82730fc4 in osi_TryEvictVCache (avc=0xfffffe003e0161d0,
slept=0xfffffe085e481264, defersleep=0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/FBSD/osi_vcache.c:47
#15 0xffffffff826a86fe in afs_ShakeLooseVCaches (anumber=5)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:776
#16 0xffffffff826a8a39 in afs_NewVCache_int (afid=0xfffffe085e481748,
serverp=0x0, seq=0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:955
#17 0xffffffff826a89e4 in afs_NewVCache (afid=0xfffffe085e481748, serverp=0x0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:1028
#18 0xffffffff826aa11d in afs_GetVCache (afid=0xfffffe085e481748,
areq=0xfffff8002f944800, cached=0x0, avc=0x0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/afs_vcache.c:1707
#19 0xffffffff826b6514 in afs_mkdir (adp=0xfffffe003e148500,
aname=0xfffff805280be2a0 "fe", attrs=0xfffffe085e481860,
avcp=0xfffffe085e4817f0, acred=0xfffff8002fb74c00)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/VNOPS/afs_vnop_dirops.c:231
#20 0xffffffff827330b3 in afs_vop_mkdir (ap=0xfffffe085e4819f0)
at /home/pscnoc/openafs/openafs-1.8.0/src/afs/FBSD/osi_vnodeops.c:1329
#21 0xffffffff8105db79 in VOP_MKDIR_APV (vop=<value optimized out>,
a=0xfffffe085e4819f0) at vnode_if.c:1610
#22 0xffffffff80b36a12 in kern_mkdirat (td=0xfffff80024b1b560, fd=-100,
path=0x80221b100 <Address 0x80221b100 out of bounds>,
segflg=UIO_USERSPACE, mode=<value optimized out>) at vnode_if.h:665
#23 0xffffffff80eefd74 in amd64_syscall (td=0xfffff80024b1b560, traced=0)
at subr_syscall.c:135
#24 0xffffffff80ed0c12 in fast_syscall_common ()
at /usr/src/sys/amd64/amd64/exception.S:464
#25 0x000000080221b100 in ?? ()
#26 0x00000000000001ed in ?? ()
#27 0x8080808080808080 in ?? ()
#28 0x00000008008d4218 in ?? ()
#29 0xfefefefefefefeff in ?? ()
#30 0x8080808080808080 in ?? ()
#31 0x0000000000000088 in ?? ()
#32 0x00000000000001ed in ?? ()
#33 0x00007fffffffe7a0 in ?? ()
#34 0x0000000802274040 in ?? ()
#35 0x0000000802222000 in ?? ()
#36 0x00000000000001ed in ?? ()
#37 0x000000000060f800 in ?? ()
#38 0x0000000802222000 in ?? ()
#39 0x0000000802216500 in ?? ()
#40 0x001b001300000000 in ?? ()
#41 0x003b003b00000001 in ?? ()
#42 0x003b003b00000001 in ?? ()
#43 0x0000000000000002 in ?? ()
#44 0x0000000800c42d9a in ?? ()
#45 0x0000000000000043 in ?? ()
#46 0x0000000000000206 in ?? ()
#47 0x00007fffffffe6c8 in ?? ()
#48 0x000000000000003b in ?? ()
#49 0xffffffff81d1e948 in sleepq_chains ()
#50 0x0000000000000003 in ?? ()
#51 0xfffff80024b1b560 in ?? ()
#52 0xffffffff81d1e948 in sleepq_chains ()
#53 0xfffffe085e4810a0 in ?? ()
#54 0xfffffe085e481048 in ?? ()
#55 0xfffff8000a3a0560 in ?? ()
#56 0xffffffff80a98dfa in sched_switch (td=0x60f800, newtd=0x1ed,
flags=<value optimized out>) at /usr/src/sys/kern/sched_ule.c:1982
Previous frame inner to this frame (corrupt stack?)
Current language: auto; currently minimal
_______________________________________________
OpenAFS-info mailing list
[email protected]
https://lists.openafs.org/mailman/listinfo/openafs-info
