upgrade: 3-way sysmerge a possibility?

2012-05-22 Thread Geoff Steckel
special cases for passwd, etc, but those are hard-coded. If there is any consensus that this would be useful to anyone else, I would be glad to contribute to any project of this sort if one exists, either to test or to work on any part of it. Geoff Steckel

Re: Unbound

2012-05-25 Thread Geoff Steckel
On 05/22/2012 08:50 AM, Stuart Henderson wrote: On 2012-05-21, Geoff Steckel wrote: On 05/20/2012 10:49 PM, Nick Holland wrote: On 05/20/12 17:49, David Diggles wrote: Ok, I am interested in opinions on why one should migrate from BIND to unbound? 1) It is unlikely there will be any more

Re: Large (3TB) HDD support

2012-06-01 Thread Geoff Steckel
alware during boot. That's enough to make me shudder. Obviously, opportunities abound for that code to prevent "unauthorized" O/Ses from running or subvert them once running. Are there other and larger issues? On the other hand, GPT by itself appears useful. Does it also contain boobytraps? Thanks! Geoff Steckel

Re: Large (3TB) HDD support

2012-06-01 Thread Geoff Steckel
for systems hosting multiple OSes. That's all I meant. Sorry that it wasn't clear. Geoff Steckel

Re: "Seagate Expansion" 3T disk works via USB but not via SATA

2012-06-21 Thread Geoff Steckel
On 06/21/2012 06:03 PM, Kenneth R Westerback wrote: On Fri, Jun 22, 2012 at 12:26:23AM +1000, Jonathan Gray wrote: On Thu, Jun 21, 2012 at 11:54:55PM +1000, Jonathan Gray wrote: It seems the lba48 capacity values being pulled out aren't sane for whatever reason. Can you try switch the controll

Re: cpu choice for firewall

2012-06-28 Thread Geoff Steckel
On 06/28/2012 01:50 PM, Joe S wrote: I'm looking to build a new mini-itx firewall based on OpenBSD and would like to get some advice on CPU selection. I've seen multiple statements on this list that indicate CPU cache and CPU speed are the most important factors. Sorry if this is a silly question

Re: Does OpenBSD have any plan to support Netmap framework?

2012-07-13 Thread Geoff Steckel
ly question: in order to achieve the throughput described, is the application in a hard loop monitoring the ring status? If so, the statistic is of limited applicability. Geoff Steckel

Re: Kernel Level Audio Next Generation

2012-08-05 Thread Geoff Steckel
t of the way, ensure low interrupt latency by eliminating all kernel spins or indefinitely long loops with interrupts blocked, etc. Geoff Steckel

softraid 5 current state?

2012-08-06 Thread Geoff Steckel
. One place I worked put 4 drives in a case with fans for 1. RAID go bye-bye. Geoff Steckel

Re: softraid 5 current state?

2012-08-07 Thread Geoff Steckel
On 08/06/2012 10:42 PM, Nick Holland wrote: > On 08/06/12 17:22, Geoff Steckel wrote: >> Does anyone know what the current state of softraid 5 is? >> The man page says rebuild and scrub are not supported. >> The last checkin was about 6 months ago. > sounds like your quest

Re: strange system resource limits

2012-08-10 Thread Geoff Steckel
er and CPU speeds 10X higher changing the limit might be considered. The above is from observing various OSes externals and internals. The kernel group obviously know far more about how the limits are chosen. Geoff Steckel

Re: Reading a damaged disk

2012-09-24 Thread Geoff Steckel
k 0 or anything in the first (say) 1000 blocks. If you get errors from attempting to read blocks far away from 0, it's likely that the disk is now a paperweight or a source of two powerful magnets. Geoff Steckel

Re: SSI

2012-09-27 Thread Geoff Steckel
complished, though NFS is a bad example. Synchronizing the mess is, in the general case, impossible. Basically, SSI is one of those traps (like threads, again) that might appeal to the naive but dies horribly once one really looks at the idea. Geoff Steckel

Re: Question about apmd power savings

2011-10-18 Thread Geoff Steckel
usage so check with all of them running hard. Memory chips also use more power when cycled, but if the CPU is stalled waiting for memory it may use less power, so the interaction is not a priori well defined. Geoff Steckel

Re: 1 Mpps router and OpenBSD?

2011-10-27 Thread Geoff Steckel
I haven't looked for years, but in the dim dark past many NIC drivers made non-optimal hardware accesses which slowed them down quite a bit. Profiling helped find some of them. Exactly how many cycles of stall happen during a bus (PCI, PCIe, ISA, VME) reference depends on the CPU, but a wild gu

Re: OBSD 4.7 and Via C7 motherboards problem

2010-08-08 Thread Geoff Steckel
-state label int-in This should show where things go. Geoff Steckel curmudgeon for hire My system: $ dmesg OpenBSD 4.7 (GENERIC) #558: Wed Mar 17 20:46:15 MDT 2010 dera...@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC cpu0: VIA Esther processor 1500MHz ("CentaurHauls" 68

Re: OBSD 4.7 and Via C7 motherboards problem

2010-08-08 Thread Geoff Steckel
On 08/08/2010 03:28 PM, Henning Brauer wrote: * Geoff Steckel [2010-08-08 20:29]: Your pf.conf should only hold state on one side. Multiple conflicting state table entries for the same connection ensure flaky failures. that is wrong in so many ways. first, "should only hold state o

Re: softdep as well as noatime on each partition?

2024-09-17 Thread Geoff Steckel
use. Closing 6 windows cleared the problem. If you can get top running in a terminal window the memory display near the top of the screen shows RAM and swap usage. geoff steckel

Re: Firewall for isolated hosts

2024-09-26 Thread Geoff Steckel
en if you put a filter in they could access each other using a VPN.  geoff steckel

was: Re: How safe are Co language module downloads?

2024-10-25 Thread Geoff Steckel
On 10/25/24 13:35, Anon Loli wrote: [snip] The more SLOC you have, the bigger chance is that there is evil hidden somewhere. All you need sometimes is 1 sneaky line amongst thousands, and sometimes even millions SLOC. Anecdotally autos have over 10,000,000 lines of code. Do you ride in one? Sub

Re: How to parallelization

2024-12-26 Thread Geoff Steckel
esources to an input data stream requires either resources capable of the largest data stream leaving some idle most of the time or pushing back on the input stream potentially causing an indefinite processing delay. hth Geoff Steckel

Re: Need some advice on C semantics.

2024-12-17 Thread Geoff Steckel
al. Code sprawl conceals many problems. Old paraphrase: "Show me your code and I know nothing Show me your data structures and I know exactly what you can do" Knuth? Wirth? I forget. good luck, geoff steckel

Re: How to parallelization

2024-12-23 Thread Geoff Steckel
On 12/23/24 11:20 AM, Gábor LENCSE wrote: Under Linux, one can use the isolcpus kernel command line parameter to exclude certain cores from the scheduler. I use the DPDK rte_eal_remote_launch() function to start a thread on an isolated CPU core. Is there anything similar under OpenBSD? Is th

Re: How to parallelization

2024-12-23 Thread Geoff Steckel
pliance which did complex resource allocation while forwarding packets. It wasn't simple. geoff steckel

Re: usb audio DAC question

2025-03-11 Thread Geoff Steckel
On 3/11/25 4:38 PM, Jan Stary wrote: On Mar 11 14:41:32,g...@oat.com wrote: I have 2 USB DACs. One uses a Burr-Brown chip and the other one is a Modi 3+ (custom circuit) from Schiit Audio. Both work under Linux. The Schiit seems to accept playback data but no analog output appears. Both are clai

Re: usb audio DAC question

2025-03-11 Thread Geoff Steckel
On 3/11/25 3:59 PM, Alexandre Ratchov wrote: On Tue, Mar 11, 2025 at 02:41:32PM -0400, Geoff Steckel wrote: I have 2 USB DACs. One uses a Burr-Brown chip and the other one is a Modi 3+ (custom circuit) from Schiit Audio. Both work under Linux. The Schiit seems to accept playback data but no

Re: usb audio DAC question

2025-03-12 Thread Geoff Steckel
On 3/12/25 3:59 AM, Jan Stary wrote: On Mar 11 18:07:25,g...@oat.com wrote: On 3/11/25 4:38 PM, Jan Stary wrote: On Mar 11 14:41:32,g...@oat.com wrote: Attaching: uaudio0 at uhub3 port 3 configuration 1 interface 1   "Schiit Audio Schiit Modi 3+" rev 2.00/1.00 addr 5 uaudio0: class v2,

usb audio DAC question

2025-03-11 Thread Geoff Steckel
I have 2 USB DACs. One uses a Burr-Brown chip and the other one is a Modi 3+ (custom circuit) from Schiit Audio. Both work under Linux. The Schiit seems to accept playback data but no analog output appears. Both are claimed by uaudio(4). Note the lack of a outputs.dac= line for the unhappy unit.

Re: Rust coreutils

2025-03-18 Thread Geoff Steckel
few newer languages each with advantages but all incur significant costs and none IMnsHO are full system languages. When a new language gets the traction C++ has I hope it's better. It's far too easy to write incorrect programs in any language. geoff steckel

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