Tim Daneliuk | 5 Jul 18:39 2016
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Is tar Broken In 10.3-STABLE?

I just upgraded to r302342 today to verify a problem I saw 
after a 10.3-STABLE upgrade yesterday.  Upgrade was 
accomplished via makeworld/kernel & installworld/kernel.

When using tar with the -T argument to provide a list 
of backup sources, it blows out with the following 
error if a source in the file list is missing:

   tar: INTERNAL ERROR: Function 'archive_read_disk_open' invoked with archive structure in state
'header', should be in state 'new/closed': Unknown error: -1

In the past, tar would make some noise if it was asked
to copy a nonexistent file or directory, but it would 
continue the remainder of the archive operation.

Thoughts?
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Maxim Sobolev | 5 Jul 07:26 2016
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A faulty program corrupts some its data preventing correct core generation (Failed to write core file for process postgres (error 14))

Hi all, investigating some random postgresql-9.1.21 server crashes on
FreeBSD 10.3, we've started seeing those after upgrading from postgres
9.1.18 on more than one system, so hardware (e.g. RAM issues) are very
unlikely. I suspect that postgres is at fault, however I am also curious
how could it be that kernel is not capable of generating core file when
application does something silly? Is it that some ELF-related data
structures got corrupted or something else? Are we protecting the page
where ELF header is mapped with R/O flag? I am looking at possibly
recreating this by poking around elf header(s), seeing if I can corrupt it
in a similar manner reliably, any pointers or suggestions are appreciated.

Jun 27 04:10:18 dal12 kernel: Failed to write core file for process
postgres (error 14)
Jun 27 04:10:18 dal12 kernel: pid 41361 (postgres), uid 70: exited on
signal 11
Jul  1 05:21:46 dal12 kernel: Failed to write core file for process
postgres (error 14)
Jul  1 05:21:46 dal12 kernel: pid 1722 (postgres), uid 70: exited on signal
11

#define EFAULT          14              /* Bad address */

The resulting files are truncated and is not really usable for anything.
We've seen the same issue

-rw-------    1 pgsql     wheel     1310720 Jun 27 04:10 postgres.41361.core
-rw-------    1 pgsql     wheel     1310720 Jul  1 05:21 postgres.1722.core

[ssp-root <at> dal12 /var/tmp]$ sudo gdb711 postgres postgres.1722.core
GNU gdb (GDB) 7.11 [GDB v7.11 for FreeBSD]
(Continue reading)

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9愧匪挺生材 wants to show you these Curtin courses


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421660 frederick | 4 Jul 08:35 2016
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Super Oferta TV LED 55 3D 1899,00


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The HD Group | 3 Jul 06:31 2016

Seeking Key Leaders


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David Cross | 2 Jul 20:31 2016
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Reproducable panic in FFS with softupdates and no journaling (10.3-RELEASE-pLATEST)

Ok, I have been trying to trace this down for awhile..I know quite a bit
about it.. but there's a lot I don't know, or I would have a patch.  I have
been trying to solve this on my own, but bringing in some outside
assistance will let me move on with my life.

First up:  The stacktrace (from a debugging kernel, with coredump

#0  doadump (textdump=1) at /usr/src/sys/kern/kern_shutdown.c:298
#1  0xffffffff8071018a in kern_reboot (howto=260)
    at /usr/src/sys/kern/kern_shutdown.c:486
#2  0xffffffff80710afc in vpanic (
    fmt=0xffffffff80c7a325 "softdep_deallocate_dependencies: dangling deps
b_ioflags: %d, b_bufsize: %ld, b_flags: %d, bo_flag: %d",
ap=0xfffffe023ae5cf40)
    at /usr/src/sys/kern/kern_shutdown.c:889
#3  0xffffffff807108c0 in panic (
    fmt=0xffffffff80c7a325 "softdep_deallocate_dependencies: dangling deps
b_ioflags: %d, b_bufsize: %ld, b_flags: %d, bo_flag: %d")
    at /usr/src/sys/kern/kern_shutdown.c:818
#4  0xffffffff80a7c841 in softdep_deallocate_dependencies (
    bp=0xfffffe01f030e148) at /usr/src/sys/ufs/ffs/ffs_softdep.c:14099
#5  0xffffffff807f793f in buf_deallocate (bp=0xfffffe01f030e148) at
buf.h:428
#6  0xffffffff807f59c9 in brelse (bp=0xfffffe01f030e148)
    at /usr/src/sys/kern/vfs_bio.c:1599
#7  0xffffffff807f3132 in bufwrite (bp=0xfffffe01f030e148)
    at /usr/src/sys/kern/vfs_bio.c:1180
#8  0xffffffff80ab226a in bwrite (bp=0xfffffe01f030e148) at buf.h:395
#9  0xffffffff80aafb1b in ffs_write (ap=0xfffffe023ae5d2b8)
    at /usr/src/sys/ufs/ffs/ffs_vnops.c:800
(Continue reading)

Patrick Lamaiziere | 30 Jun 13:57 2016

10.3-RELEASE amd64 segmentation faults in wc, sh...

Hello,

I'm building a pair of firewall with 10.3 and I see some rare
segmentation faults (5 in a week) in processes like wc, sh or ifstated.

wc, sh are used by some scripts who check the state of the interfaces
and the state of bgp sessions. Ifstated called theses scripts too.

I thought there was a bug in ifstated so I made a small program in
perl to do the same thing but the problem is not in ifstated.

The machines are some Dell R730, I've checked the memory with
memtest86 for one week without error. The problem occurs on both
firewalls so i don't think this is a hardware problem.

Any idea? 

Thanks, regards.

ifstated
--------
Core was generated by `ifstated'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/libevent-2.0.so.5...(no debugging symbols found)...done.
Loaded symbols for /usr/local/lib/libevent-2.0.so.5
Reading symbols from /lib/libc.so.7...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /lib/libthr.so.3...(no debugging symbols found)...done.
Loaded symbols for /lib/libthr.so.3
Reading symbols from /libexec/ld-elf.so.1...(no debugging symbols found)...done.
(Continue reading)

Richard Huber | 30 Jun 05:50 2016

Recently posted academic job vacancies at Computeroxy

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Miroslav Lachman | 28 Jun 15:59 2016
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FreeBSD 10.3 slow boot on Supermicro X11SSW-F

I installed FreeBSD 10.3 on brand new machine Supermicro X11SSW-F. It 
sits on top of 4x 1TB Samsung SSDs on ZFS RAIDZ2.

The booting is painfully slow from BTX to menu to kernel loading.
Progress indicated by \ | / - characters is changing by speed of 1 
character per 2 seconds.
The whole boot process takes about 10 minutes.

I found this blog post solving the same problem
http://smyck.net/2016/06/15/freebsd-slow-zfs-bootloader/

It seems there is some bug in loader in 10.3. If /boot/pmbr, 
/boot/gptzfsboot and /boot/zfsloader are replaced by files from 
11-CURRENT snapshot (from 
ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/amd64/11.0-CURRENT/base.txz) 
the booting speed is back to normal.

Is it know problem? What was changed in loader between 10.3 and 11?

Miroslav Lachman
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Jakub Lach | 27 Jun 20:53 2016
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What are current dependencies of cd9660 kernel module?

Something changed in 10-STABLE, I had the same config for modules
for a long time, and I cannot load cd9660 now, 

kernel: KLD cd9660.ko: depends on kernel - not available or version mismatch
kernel: linker_load_file: Unsupported file type

/boot/kernel $ ls -a
.               geom_md.ko      linker.hints    ng_socket.ko   
snd_uaudio.ko   wlan_ccmp.ko
..              i915kms.ko      msdosfs.ko      ng_tee.ko       udf.ko         
wlan_tkip.ko
cd9660.ko       if_ath.ko       netgraph.ko     procfs.ko       uhci.ko        
wlan_wep.ko
drm2.ko         if_ath_pci.ko   ng_iface.ko     pseudofs.ko     umass.ko
ehci.ko         if_em.ko        ng_ksocket.ko   rc4.ko          ums.ko
fdescfs.ko      if_fwe.ko       ng_mppc.ko      sbp.ko          usb.ko
firewire.ko     if_fwip.ko      ng_ppp.ko       sbp_targ.ko     wlan.ko
fuse.ko         kernel          ng_pptpgre.ko   snd_hda.ko      wlan_amrr.ko

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Gmane