Two ISPs on the same interface

2011-12-29 Thread Papo Napolitano

Hello all,

I got two ISP lines (1 Mb and 6 Mb) and was planning to route outgoing 
guest traffic thru the smaller one.

Problem is my FW only has two NICs.
If both external routers are connected to a Cisco switch as well as the 
external OpenBSD interface, is it possible to use route-to to send 
packets to the ISP gateway I choose?

All the examples I found use three NICs.

Thanks.-



Re: Problems with outgoing loadbalancing with pppoe(4)

2011-12-29 Thread Brian Seklecki (Mobile)

Internet:
DestinationGatewayFlags   Refs  Use   Mtu  Prio Iface
default   XXX.YYY.133.6  UGS012091 - 8 
pppoe0


These two routes have different priorities.  In Cisco-land, you can have 
two routes for 0.0.0.0 w/ mask 0.0.0.0, but twod ifferent metrics will 
result in an HA not a round-robin condition.


Try avoiding the use of /etc/mygate and try to manuallly add two routes 
with equal-cost priority.



XXX.YYY.133.6 AAA.BBB.212.232 UH 0 0 - 4 pppoe1


I've never done this type of application before; So I'm curious to see 
what results you get.


However, first order of business:

The man page lists a flag that youc an set:
 -priority  -priority

~BAS



Re: OpenBSD as router for UK FTTC?

2011-12-29 Thread percy piper
On 28 December 2011 21:36, percy piper piper.pe...@gmail.com wrote:

 pppoe(4) did not work. We need to authenticate with chap first, then
 pap. pppoe(4) forces the exclusive use of either one or the other.

Actually this is not true. Both use chap. There is no pap.

The first chap challenge succeeds (to the BT AC) the second chap
challenge does not. No authentication failure response is received, we
just get another chap challenge and this repeats until a timeout
occurs.

If we deliberately use an incorrect secret the first chap challenge
fails and we do get an auth fail response from BT's AC, so it seems
that BT's AC accepts our chap auth response but our ISP's AC does not.
Very odd especially as userland ppp does not exhibit this odd
behaviour at all.

It may be that our ISP's AC is dropping the pppoe(4) auth response
packet as invalid (why?) or it never receives it which would explain
the lack of a response. I will need to comb through the packet
captures from both userland and kernel pppoe to see if I can find any
relevant difference.

Has anyone else seen anything like this? This is with both the Dec
20th i386 snap and 4.9 i386 release.



Re: Two ISPs on the same interface

2011-12-29 Thread Laurent Caron
Papo Napolitano p...@dosalcubo.com a C)crit :

Hello all,

I got two ISP lines (1 Mb and 6 Mb) and was planning to route outgoing 
guest traffic thru the smaller one.
Problem is my FW only has two NICs.
If both external routers are connected to a Cisco switch as well as the 
external OpenBSD interface, is it possible to use route-to to send 
packets to the ISP gateway I choose?
All the examples I found use three NICs.

Thanks.-


Hi,

Although possible it ain't very clean.

Should your switch support vlans you can have each router in an untagged vlan 
and your firewall on a trunk port (Tagged) port of your switch.

You would configure your fw with 2 external vlan interfaces.
-- 
EnvoyC) de mon tC)lC)phone Android avec K-9 Mail. Excusez la briC(vetC).



sha1 and md5 broken with Broadcom 5862 CA and IPSec?

2011-12-29 Thread Joosep
Hi list!

After upgrading from 4.7 to 5.0, i started to have problems with SHA1 when
using Broadcom 5862 crypto accelerator with IPSec.
I am using a IPSec tunnel between two machines, where one end has a crypto
accelerator and other doesn't.
Machine with CA(host0) is running 5.0-current i386 from 20. December,
second machine(host1) is running 4.9 release i386 patched to latest errata.

When using SHA1 or MD5, there is packet loss on the link and i see netstat
packets that failed verification received counter increasing on host1.
There are no packet verification errors on host0. I have tested it with CA
on both ends and the result is similar(packet verification fail on both
ends).
I have tested host0 also with 4.9 and 5.0 release - problem is the same.

Before upgrade, when host0 was running 4.7 release, same configuration
worked without any problem.
There were also no problems when host0 was running 4.7 and host1 4.9.

Problem occurs with SHA1 and MD5, which are both supported by CA. When
using SHA2(that is not supported by CA) everything
works. Problem exist with tunnel and transport mode.

Any debugging hints and ideas to get sha1 working are welcome,
Joosep


CA in question is:
ubsec0 at pci5 dev 0 function 0 Broadcom 5862 rev 0x01: 3DES MD5 SHA1 AES
PK, apic 9 int 0

ipsec.conf:
ike esp transport proto ipencap from $host0_ip to $host1_ip \
local $host0_ip peer $host1_ip quick auth hmac-sha1 enc aes \
srcid $host0_id dstid $host1_id


dmseg of host0:

OpenBSD 5.0-current (GENERIC) #118: Tue Dec 20 11:09:21 MST 2011
dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC
cpu0: Dual-Core AMD Opteron(tm) Processor 2210 (AuthenticAMD 686-class,
1024KB L2 cache) 1.81 GHz
cpu0:
FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,HTT,NXE,MMXX,FFXSR,LONG,3DNOW2,3DNOW,SSE3,CX16,LAHF,SVM
real mem  = 1071501312 (1021MB)
avail mem = 1043890176 (995MB)
mainbus0 at root
bios0 at mainbus0: AT/286+ BIOS, date 12/31/99, BIOS32 rev. 0 @ 0xf,
SMBIOS rev. 2.4 @ 0xee000 (64 entries)
bios0: vendor HP version A10 date 07/17/2009
bios0: HP ProLiant DL365 G1
acpi0 at bios0: rev 2
acpi0: sleep states S0 S4 S5
acpi0: tables DSDT FACP SPCR MCFG HPET SPMI ERST APIC SRAT  BERT HEST
acpi0: wakeup devices PPXB(S4) PXS2(S4) EXB0(S4) EXB1(S4) EXB2(S4) EXB3(S4)
acpitimer0 at acpi0: 3579545 Hz, 32 bits
acpimcfg0 at acpi0 addr 0xd000, bus 64-255
acpihpet0 at acpi0: 14318180 Hz
acpimadt0 at acpi0 addr 0xfee0: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: apic clock running at 200MHz
cpu at mainbus0: not configured
ioapic0 at mainbus0: apid 8 pa 0xfec0, version 11, 16 pins
ioapic1 at mainbus0: apid 9 pa 0xfec01000, version 11, 16 pins
acpiprt0 at acpi0: bus 2 (PPXB)
acpiprt1 at acpi0: bus 0 (PCI0)
acpiprt2 at acpi0: bus 75 (EXB0)
acpiprt3 at acpi0: bus 72 (EXB1)
acpiprt4 at acpi0: bus 66 (NB01)
acpiprt5 at acpi0: bus 68 (NB02)
acpiprt6 at acpi0: bus 69 (EXB4)
acpiprt7 at acpi0: bus 64 (PCI1)
acpicpu0 at acpi0: PSS
bios0: ROM list: 0xc/0xb000 0xcb000/0x4000! 0xcf000/0x1800
0xe5000/0x2000!
ipmi at mainbus0 not configured
cpu0: PowerNow! K8 1801 MHz: speeds: 1800 1000 MHz
pci0 at mainbus0 bus 0: configuration mode 1 (bios)
vga1 at pci0 dev 3 function 0 ATI ES1000 rev 0x02
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
radeondrm0 at vga1: apic 9 int 11
drm0 at radeondrm0
Compaq iLO rev 0x03 at pci0 dev 4 function 0 not configured
Compaq iLO rev 0x03 at pci0 dev 4 function 2 not configured
uhci0 at pci0 dev 4 function 4 Hewlett-Packard USB rev 0x00: apic 9 int 10
Hewlett-Packard IPMI rev 0x00 at pci0 dev 4 function 6 not configured
ppb0 at pci0 dev 5 function 0 ServerWorks HT-1000 PCI rev 0x00
pci1 at ppb0 bus 1
ppb1 at pci1 dev 13 function 0 ServerWorks HT-1000 PCIX rev 0xc0
pci2 at ppb1 bus 2
piixpm0 at pci0 dev 6 function 0 ServerWorks HT-1000 rev 0x00: polling
iic0 at piixpm0
pciide0 at pci0 dev 6 function 1 ServerWorks HT-1000 IDE rev 0x00: DMA
pcib0 at pci0 dev 6 function 2 ServerWorks HT-1000 LPC rev 0x00
ohci0 at pci0 dev 7 function 0 ServerWorks HT-1000 USB rev 0x01: apic 8
int 5, version 1.0, legacy support
ohci1 at pci0 dev 7 function 1 ServerWorks HT-1000 USB rev 0x01: apic 8
int 5, version 1.0, legacy support
ehci0 at pci0 dev 7 function 2 ServerWorks HT-1000 USB rev 0x01: apic 8
int 5
usb0 at ehci0: USB revision 2.0
uhub0 at usb0 ServerWorks EHCI root hub rev 2.00/1.00 addr 1
pchb0 at pci0 dev 24 function 0 AMD AMD64 0Fh HyperTransport rev 0x00
pci3 at pchb0 bus 64
ppb2 at pci3 dev 15 function 0 ServerWorks HT-2100 PCIE rev 0xa2
pci4 at ppb2 bus 75
ppb3 at pci4 dev 0 function 0 ServerWorks PCIE-PCIX rev 0xc1
pci5 at ppb3 bus 76
ubsec0 at pci5 dev 0 function 0 Broadcom 5862 rev 0x01: 3DES MD5 SHA1 AES
PK, apic 9 int 0
ppb4 at pci3 dev 16 function 0 ServerWorks HT-2100 PCIE rev 0xa2
pci6 at ppb4 bus 72
ppb5 at pci3 dev 17 function 0 ServerWorks HT-2100 PCIE 

Re: copyout from physio, why?

2011-12-29 Thread Ariane van der Steldt
On Wed, Dec 28, 2011 at 11:10:41PM -0500, Geoff Steckel wrote:
 On 12/28/2011 09:08 PM, gwes wrote:
  I hope someone can shed some light on this.
 
  I'm running 5.0-current on an AMD64 with 4GB of physical memory.
 
  Reading large chunks (64K or multiples) from /dev/rsd0c using
  the AMD chipset SATA controller and a modern 1G drive:
 
  time dd if=/dev/rsd3c of=/dev/null bs=128k count=1
  1+0 records in
  1+0 records out
  131072 bytes transferred in 11.348 secs (115498831 bytes/sec)
  0.0u 2.0s 0:11.34 17.9% 0+0k 0+1io 0pf+0w
 
  Profiling the kernel shows that copyout() is being called from
  physio() via uvm_vsunlock_device() for every MAXPHYS byte chunk.

Am I correct if I understand you use mmap on a device?

  On first inspection, physio calls uvm_vslock_device(...,map)
  which checks to see if all pages in the request satisfy
  PADDR_IS_DMA_REACHABLE(). If so, it returns NULL in map.
  After strategy() returns, map is sent to uvm_vsunlock_device,
  which calls copyout() if map != NULL.
 
  There's a comment on uvm_vslock_device saying it always returns
  something in *retp, but the code seems to indicate otherwise.
  PADDR_IS_DMA_REACHABLE checks against dma_constraint, which
  is 0..0x which should allow all memory  4G to be used
  for DMA.
 
  What have I missed?
  I believe that the copyout() shouldn't happen.
  I'm trying to run multiple 140MB/sec drives simultaneously and
  the copyout() is a killer - it's eating more of the
  system memory and CPU bandwidth than I'd like.

 Responding to myself - on further examination, if the system has
 only 2G, DMA is done to user pages as expected without copy{in,out}.
 Once past the evil 3G boundary, page physical addresses are
  = 0x1, and the code hardwires a limit several places.
 
 The ahci (at least) driver chokes and hangs if fed a physical address
 over 4G.

What exactly should happen depends a bit on the way you access the
memory, to be more exact, when it gets allocated.
If the memory is a buffer
void *buf = malloc(...);
then the memory is first allocated by userspace.

Because the kernel cannot guess from an allocation if it'd be used for
IO or not, it'll assume that it won't be IO (which is true for most
allocations). In that case, the page will be from high memory above 4GB.
Ofcourse, in that case you'd be using read/write, which will always do
copyin/copyout.

However, if you use mmap instead, the IO path will be the first to do
the allocation. In that case, there's certainly something to say for
having the page allocated in dma-reachable memory (although I would
worry about having that happen alot, since dma-reachable memory is
limited and our pager does not deal with the differences yet).

 I'd really like to help someone fix this or if given more clues on where
 to look, I'll dig some more. The work I'm trying to do will probably
 survive quite well in 2G.

I'd really like a look at the profiling data, can you mail that to me?
-- 
Ariane



Re: Bridging and ESXi

2011-12-29 Thread Brian Seklecki (Mobile)

Under OpenBSD the interfaces are em1 and em2.

If I put IPs on them I can ping the devices that are supposed to talk through 
this bridge.


Well VMWare ESX and ESXi use a virtual soft-switch to move packets, it may 
eat things like STP or other important msgs.


Instead of creating two VLAN tag-based port-groups, and creating two 
virtual NICs to your OpenBSD guest, consider passing a dot1q trunk 
directly through to the guest OS and have him handle the VLAN tag 
stripping:


http://kb.vmware.com/selfservice/microsites/search.do?language=en_UScmd=displayKCexternalId=1004074

This essentially maps the Dot1q trunk exclusively to the guest and 
bypasses VMWare vSwitch.


At that point, you can at least eliminate VMWare as the cause of your 
problems


~BAS



If I put them into a bridge I get nothing.

Anyone know where I should be looking here to figure out why this isn't 
working?


-brian




Re: OpenVPN issues on 5.0

2011-12-29 Thread Erling Westenvik
On Wed, Dec 28, 2011 at 08:02:54PM -0200, Christiano F. Haesbaert wrote:
 On Mon, Dec 26, 2011 at 08:57:18PM -0200, Christiano F. Haesbaert wrote:
  On Sun, Dec 25, 2011 at 04:10:19PM +0100, Erling Westenvik wrote:
   On Sat, Dec 24, 2011 at 07:50:53PM -0200, Christiano F. Haesbaert wrote:

Heya,

can you paste me the output of:

ifconfig acx0 hwfeatures
ifconfig url0 hwfeatures

   
   Sorry, but I'm not on -current. Are there other ways to display such
   information?
   
  
  Not like this, but I think I found your problem, could you please try
  the following diff: 
  
  http://article.gmane.org/gmane.os.openbsd.misc/192013
  
  If you have any problems applying it, please report to me off list. 
 
 The diff fixes Erling's problem :).

Confirmed! Thanks again! :)



milter-greylist / postfix

2011-12-29 Thread L. V. Lammert
One of our mailservers (Obsd 4.8, Postfix 2.6.5, milter-greylist 4.2.5)
decided to stop passing incoming email this AM, .. milter-greylist is
giving all incoming mail a 451, even though the souce IP is listed in the
greylist database.

Might there be a way to isolate the exact issue? It's been working fine
for a couple of years now, so I hate to start mucking with things if there
is a way to actually isolate and fix the problem.

TIA,

Lee



Re: Two ISPs on the same interface

2011-12-29 Thread Joseph Yeager
 Hello all,

 I got two ISP lines (1 Mb and 6 Mb) and was planning to route outgoing
 guest traffic thru the smaller one.
 Problem is my FW only has two NICs.
 If both external routers are connected to a Cisco switch as well as the
 external OpenBSD interface, is it possible to use route-to to send
 packets to the ISP gateway I choose?
 All the examples I found use three NICs.

 Thanks.-


 The key to figuring this out is a little more detail on the specifics
of your ISP connections and provided devices.  Are they using just basic
modems or devices acting as gateways?  If those devices are gateways then
you could simply configure the internal side of those gateways to different
subnets: say 192.168.1.0/24 for non guest traffic and 192.168.2.0/24 for
guest traffic.  The firewall will be assigned IPs from both subnets on the
same interface via an alias.  Your route-to rules for both sides of traffic
would use the same network interface, but specify 192.168.2.1 (assuming .1
is the ISP gateway address) as the gateway IP for guest traffic.
 The other side is if the ISP device is a modem/bridge/media converter
and your firewall gets assigned the public IP addresses.  In that case you
need each connection to have a different gateway (which usually would mean
the IPs are on different subnets).  If they have different gateways, you
can do the same thing as above except change the IP addresses to the public
ones.  If they happen to have the same gateway, I would look more into
aggregating those links and then using ALTQ to throttle guest traffic on
your firewall.



Re: OpenBSD as router for UK FTTC?

2011-12-29 Thread Stuart Henderson
On 2011-12-29, percy piper piper.pe...@gmail.com wrote:
 On 28 December 2011 21:36, percy piper piper.pe...@gmail.com wrote:

 pppoe(4) did not work. We need to authenticate with chap first, then
 pap. pppoe(4) forces the exclusive use of either one or the other.

 Actually this is not true. Both use chap. There is no pap.

 The first chap challenge succeeds (to the BT AC) the second chap
 challenge does not. No authentication failure response is received, we
 just get another chap challenge and this repeats until a timeout
 occurs.

 If we deliberately use an incorrect secret the first chap challenge
 fails and we do get an auth fail response from BT's AC, so it seems
 that BT's AC accepts our chap auth response but our ISP's AC does not.
 Very odd especially as userland ppp does not exhibit this odd
 behaviour at all.

 It may be that our ISP's AC is dropping the pppoe(4) auth response
 packet as invalid (why?) or it never receives it which would explain
 the lack of a response. I will need to comb through the packet
 captures from both userland and kernel pppoe to see if I can find any
 relevant difference.

 Has anyone else seen anything like this? This is with both the Dec
 20th i386 snap and 4.9 i386 release.

I haven't seen this with pppoe(4) and any of: zen fttc, demon adsl
(ipstream), aaisp adsl (ipstream or 21cn), bogons adsl (ipstream).

Does your ISP have reachable technical people that might be able to
give a bit of insight into what they're seeing?



Curiculum Vitae

2011-12-29 Thread C.V
DANIEL CATALIN COROZEL

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   28803 Alcala de Henares  (Madrid)
Telefonos: 697 524 592
Correo electronico:tucumineimpre...@yahoo.com
  NIE: X-06862287-F


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Curso de CONSTRUCTION (Pintura ,alicatado, solado y albaqileria, 
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, tabiques , tradosaos + cinta) Todo en PLADUR.

2004-2007 Auxiliar de montador de PLADUR 
MONPLADON S.L Getafe (Madrid)
Funciones: Apoyo en la instalacion de techos PLADUR /desmontables 
tabiques  , CINTA , cargar descargar materiales 

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Alicatado, solado y albaqileria en general.

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cosas nuevas 



how to choose outgoing IPv4 address/interface ?

2011-12-29 Thread Илья Шипицин
Hello!

I'm runnning BGP server which is also dns resolver.

so, host can go to internet using 2 addresses

a) vlan379, which is connected to bgp peer
b) vlan200, which is my own routable network

bgp peer is strange. it permits only bgp and icmp traffic over
vlan379, the rest is silently dropped.
I'd like to use vlan379 address for bgp communication and vlan200 for
dns resolver (and the rest of the traffic), but OpenBSD simply uses
vlan379 address.

well, I can use NAT on outgoing traffic, but it doesn't seem to be a
proper solution.
why does OpenBSD choose vlan379 ? how can I make it use vlan200 for
all outgoing traffic except bgp communication ?

Cheers,
Ilya Shipitsin



inteldrm_attach still broken

2011-12-29 Thread listmail
Hi,

Back in June of 2011, I reported problems with the Supermicro P8SCI and P8SCT
motherboards failing to boot OpenBSD 4.8 and 4.9, due to a kernel page fault
trap at interdrm_attach. Just for fun, I tried OpenBSD 5.0 tonight, and the
same problem still happens. 

Has anyone found a workaround for this, or are there any plans to fix it? I
have several of these motherboards running in firewalls, and unless I can find
a fix, these boxes are trapped at OpenBSD 4.7 until I can replace them all.

If anyone needs a box to test on, it looks like I'll have quite a few spares :-)

Thanks,
--Bill



Re: inteldrm_attach still broken

2011-12-29 Thread Daniel Ouellet

Hi Bill,

If you really want this to be fix, the best way would be to help 
yourself by trying different vcs updates in between 4.7 and 4.8 and if 
you find the exact change that start to create your problem and send it 
to the list, I am sure someone will look into it for you.


Well, let say you have a much bigger chance to get it fix if you help 
tracing the problem.


You can download the 4.7, then do date cvs updates and compile and see 
the results.


As the crash you describe is only with the kernel, compiling a new 
kernel and boot and see is frailly fast and it would be a great help to 
who ever did the change that introduce the bug you refer at.


It would require some time form you to do this, but again, why would 
anyone spend their time to help you if you don't sent time to them them 
right?


Doing a CVS update in time is a lots easier then you may think and it 
would be a huge help of you can say, this patch introduce this bug and 
from then, I am pretty sure someone will address the problem.


That's my experience anyway, help yourself and you will see someone will 
help you.


Start 1/2 way into the 4.8 release and then go 1/2 way from there either 
up or down depending if it is working or not for you.


Hope this help you some anyway.

Best,

Daniel


On 12/29/11 11:47 PM, listmail wrote:

Hi,

Back in June of 2011, I reported problems with the Supermicro P8SCI and P8SCT
motherboards failing to boot OpenBSD 4.8 and 4.9, due to a kernel page fault
trap at interdrm_attach. Just for fun, I tried OpenBSD 5.0 tonight, and the
same problem still happens.

Has anyone found a workaround for this, or are there any plans to fix it? I
have several of these motherboards running in firewalls, and unless I can find
a fix, these boxes are trapped at OpenBSD 4.7 until I can replace them all.

If anyone needs a box to test on, it looks like I'll have quite a few spares :-)

Thanks,
--Bill




Re: inteldrm_attach still broken

2011-12-29 Thread listmail
On Fri, 30 Dec 2011 00:18:49 -0500, Daniel Ouellet wrote
 Hi Bill,
 
 If you really want this to be fix, the best way would be to help 
 yourself by trying different vcs updates in between 4.7 and 4.8 and 
 if you find the exact change that start to create your problem and 
 send it to the list, I am sure someone will look into it for you.

Hi Daniel,

I fondly remember the days when I had the time to do things like that.

Unfortunately, these days, I'm just a luser who buys the OpenBSD CDs and makes
networks run. Frankly, it's far less expensive for me to replace all of the
SuperO P8xxx machines running OpenBSD than it is to spend time tracking down
this kernel bug. I'll happily donate a machine to the project if any of the
developers are interested in fixing this. Meanwhile, I'll be installing
OpenBSD 5.0 on machines that it works on, so that I can move forward with what
I need to get done.

Cheers,
--Bill



Re: inteldrm_attach still broken

2011-12-29 Thread Erling Westenvik
On Thu, Dec 29, 2011 at 09:47:21PM -0800, listmail wrote:
 On Fri, 30 Dec 2011 00:18:49 -0500, Daniel Ouellet wrote
  Hi Bill,
  
  If you really want this to be fix, the best way would be to help 
  yourself by trying different vcs updates in between 4.7 and 4.8 and 
  if you find the exact change that start to create your problem and 
  send it to the list, I am sure someone will look into it for you.
 
 Hi Daniel,
 
 I fondly remember the days when I had the time to do things like that.
 
 Unfortunately, these days, I'm just a luser who buys the OpenBSD CDs and makes
 networks run. Frankly, it's far less expensive for me to replace all of the
 SuperO P8xxx machines running OpenBSD than it is to spend time tracking down
 this kernel bug. I'll happily donate a machine to the project if any of the
 developers are interested in fixing this. Meanwhile, I'll be installing
 OpenBSD 5.0 on machines that it works on, so that I can move forward with what
 I need to get done.

I'm not sure as to how many updates there were between 4.7 and 4.8, but
let's say there was one hundred. By using Daniel's proposal for a binary
search you should be able to isolate the one causing problems within a
maximum of 6 or 7 attempts. And if it were to be one thousand updates,
you would be done within 9 or 10. Still not worth the effort?

Cheers,
Erling



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