Control Efectivo de Almacenes e Inventarios, 19 de Agosto, México D.F
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Anyone playing with Active Protection System (hdaps) here ?
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, Mon Laptop has a device aps0 , and hdapsd works fine on Gentoo Box , i'm wondering how should i activate it on OpenBSD ? /etc/rc.conf doesn't have anything related .. Many thanks. - -- Best Regards, Aaron Lewis - PGP: 0x4A6D32A0 FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0 irc: A4R0NL3WI5 on freenode Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxdBwUACgkQvf41sEptMqBbbQCgioVJ9ft6tUT+ELCLNSMPuaMh b0cAnA6xj5p0i9fR7eR0DphJ8Oc2B9Eh =IWgd -END PGP SIGNATURE-
Re: Anyone playing with Active Protection System (hdaps) here ?
On Sat, Aug 07, 2010 at 03:11:01PM +0800, Aaron Lewis wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi, Mon Laptop has a device aps0 , and hdapsd works fine on Gentoo Box , i'm wondering how should i activate it on OpenBSD ? /etc/rc.conf doesn't have anything related .. Many thanks. from man aps: SEE ALSO isa(4), sensorsd(8), sysctl(8) That's your money reading, right there. $ sysctl | grep -c aps 9 and that's where you pull the values to stick into sensorsd.conf - -- Best Regards, Aaron Lewis - PGP: 0x4A6D32A0 FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0 irc: A4R0NL3WI5 on freenode Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxdBwUACgkQvf41sEptMqBbbQCgioVJ9ft6tUT+ELCLNSMPuaMh b0cAnA6xj5p0i9fR7eR0DphJ8Oc2B9Eh =IWgd -END PGP SIGNATURE-
Re: Glitches with (some?) X apps
hmm.. I'm leaning towards this being a problem with X now. I'm seeing very rare, transient artifacts with my WM's menu (pic added to URL below). I also have noticed horizontal distortion line through my desktop background images (forcing a redraw of same image clears the distortion). On Fri, Aug 6, 2010 at 2:24 PM, patrick keshishian pkesh...@gmail.com wrote: Hi, With macppc snapshot install from Aug 3rd I was able to, once again, run firefox (v 3.6.8). But there are some drawing glitches in the UI. The Gimp port finally finished building and it too is demonstrating similar artifacts. They resemble the color shifts one would see when using apps that install their own colormap, but not quite. I'm not certain if this is an X issue or if the problem is at a higher level in the app or the toolkit (gtk+2). I don't run many X apps, the few others (wmapm, xv image viewer, xpdf) have much simpler UI interfaces and don't show issues. I placed three screen shots demonstrating the glitch over here: http://sidster.com/scratch/glitch/ With firefox and gmail interface as an example, you see the outline of check-boxes aren't drawn. If I roll-over them with the pointer they redraw but once the pointer is moved away they disappear. But if I check one of them (as shown), the outline for that check-box and all check-boxes below it remain drawn. Also included are dmesg[1], X log and conf. Any ideas as to the cause? I am assuming no one is having issues with -current and associated ports on other platforms. I'm just not sure how many others use macppc -current on a daily basis. Thanks, --patrick [1] Possibly not relevant, but it's my first time seeing this: attempting to restore vector in use vecproc 0 veccpu 6b0ff0
Re: Glitches with (some?) X apps
On Sat, Aug 7, 2010 at 10:29 AM, patrick keshishian pkesh...@gmail.com wrote: hmm.. I'm leaning towards this being a problem with X now. I'm seeing very rare, transient artifacts with my WM's menu (pic added to URL below). I also have noticed horizontal distortion line through my desktop background images (forcing a redraw of same image clears the distortion). On Fri, Aug 6, 2010 at 2:24 PM, patrick keshishian pkesh...@gmail.com wrote: Hi, With macppc snapshot install from Aug 3rd I was able to, once again, run firefox (v 3.6.8). But there are some drawing glitches in the UI. The Gimp port finally finished building and it too is demonstrating similar artifacts. They resemble the color shifts one would see when using apps that install their own colormap, but not quite. I'm not certain if this is an X issue or if the problem is at a higher level in the app or the toolkit (gtk+2). I don't run many X apps, the few others (wmapm, xv image viewer, xpdf) have much simpler UI interfaces and don't show issues. I placed three screen shots demonstrating the glitch over here: http://sidster.com/scratch/glitch/ With firefox and gmail interface as an example, you see the outline of check-boxes aren't drawn. If I roll-over them with the pointer they redraw but once the pointer is moved away they disappear. But if I check one of them (as shown), the outline for that check-box and all check-boxes below it remain drawn. Also included are dmesg[1], X log and conf. Any ideas as to the cause? I am assuming no one is having issues with -current and associated ports on other platforms. I'm just not sure how many others use macppc -current on a daily basis. Thanks, --patrick [1] Possibly not relevant, but it's my first time seeing this: attempting to restore vector in use vecproc 0 veccpu 6b0ff0 Try without 'Option AccelMethod EXA in xorg.conf. -- Matthieu Herrb
Re: Glitches with (some?) X apps
On Sat, Aug 7, 2010 at 1:42 AM, Matthieu Herrb mhe...@gmail.com wrote: On Sat, Aug 7, 2010 at 10:29 AM, patrick keshishian pkesh...@gmail.com wrote: hmm.. I'm leaning towards this being a problem with X now. I'm seeing very rare, transient artifacts with my WM's menu (pic added to URL below). I also have noticed horizontal distortion line through my desktop background images (forcing a redraw of same image clears the distortion). On Fri, Aug 6, 2010 at 2:24 PM, patrick keshishian pkesh...@gmail.com wrote: Hi, With macppc snapshot install from Aug 3rd I was able to, once again, run firefox (v 3.6.8). But there are some drawing glitches in the UI. The Gimp port finally finished building and it too is demonstrating similar artifacts. They resemble the color shifts one would see when using apps that install their own colormap, but not quite. I'm not certain if this is an X issue or if the problem is at a higher level in the app or the toolkit (gtk+2). I don't run many X apps, the few others (wmapm, xv image viewer, xpdf) have much simpler UI interfaces and don't show issues. I placed three screen shots demonstrating the glitch over here: http://sidster.com/scratch/glitch/ With firefox and gmail interface as an example, you see the outline of check-boxes aren't drawn. If I roll-over them with the pointer they redraw but once the pointer is moved away they disappear. But if I check one of them (as shown), the outline for that check-box and all check-boxes below it remain drawn. Also included are dmesg[1], X log and conf. Any ideas as to the cause? I am assuming no one is having issues with -current and associated ports on other platforms. I'm just not sure how many others use macppc -current on a daily basis. Thanks, --patrick [1] Possibly not relevant, but it's my first time seeing this: attempting to restore vector in use vecproc 0 veccpu 6b0ff0 Try without 'Option AccelMethod EXA in xorg.conf. You win a cookie. I thought I have always had that on, but a quick search through archives shows that at least in April time-frame snapshot I had it commented out. Thanks for the pointer. --patrick
Re: Anyone playing with Active Protection System (hdaps) here ?
from man aps: SEE ALSO isa(4), sensorsd(8), sysctl(8) That's your money reading, right there. $ sysctl | grep -c aps 9 Well , Thanks Bret , can you get me more instructions please ? I think i should put a limit via sysctl , right ? -- Best Regards, Aaron Lewis - PGP: 0x4A6D32A0 FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0 irc: A4r0n on freenode
Re: Anyone playing with Active Protection System (hdaps) here ?
On Sat, Aug 07, 2010 at 06:07:56PM +0800, aaron lewis wrote: from man aps: SEE ALSO isa(4), sensorsd(8), sysctl(8) That's your money reading, right there. $ sysctl | grep -c aps 9 Well , Thanks Bret , can you get me more instructions please ? Yes: get familiar with man(1) and experimentation. And thus is my reputation for being an unhelpful prick upheld! I think i should put a limit via sysctl , right ? -- Best Regards, Aaron Lewis - PGP: 0x4A6D32A0 FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0 irc: A4r0n on freenode
[SOLVE] Anyone playing with Active Protection System (hdaps) here ?
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Yes: get familiar with man(1) and experimentation. And thus is my reputation for being an unhelpful prick upheld! OK , no problem ;-) - -- Best Regards, Aaron Lewis - PGP: 0x4A6D32A0 FingerPrint EA63 26B2 6C52 72EA A4A5 EB6B BDFE 35B0 4A6D 32A0 irc: A4R0NL3WI5 on freenode Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkxdS9AACgkQvf41sEptMqAySQCgwNPCFYKNo2PEXYptm/CGfMNY h9sAn0Ryf/+Ta65BpzD/wZ5/JQkUjhqo =P6/H -END PGP SIGNATURE-
memory fragmentation
Hi misc, assuming that a long running app would malloc(3) when needed and then free(3)s the resource immediately when it is done, is memory fragmentation still a concern for long running apps? what are steps that you take to manage this problem if ever it is a problem? best, /e
Re: How to Downgrade from 4.7 to 4.6
a few thoughts, - check your subnet masks carefully - tcpdump is a very useful tool for working out what's going on, especially with 'log' on pf rules and tcpdump -neipflog0 -vv - if you have a restricted MTU connection (pppoe, some others) in the path, make sure you're using an appropriate scrub max-mss option. - if you can, try it with a different router. i have seen some *very* strange behaviour with certain routers (especially if the router is natting) On 2010-08-07, Peter Merritt pwmerr...@weirdwater.org wrote: It acts a firewall to an sbs server, sometimes I can ping out from server, or firewall sometimes I can't. Internet is extremely slow, and can't browse to some sites. Some computers on the lan can connect to internet others can't. Some that can't browse can ping. Some get destination net unreachable while others can ping the same ip just fine. I can ssh in from outside to the firewall. Its very erratic, and useless in its present state. I tested it using the simplest pf.conf, using suggestions from this group. Right now I have a linksys router running dd-wrt which works just fine, but the OBSD firewall did antispam and other duties as well so it is sorely missed. I ran 4.6 and previous versions without hitch, in fact it usually works so well that I hardly remember its there. I thought originally the motherboard not compatible with 4.7, but I have ruled that out, it works fine at an other location and it ran at that location for 24hrs or more with no issues. I also have another MB with the same chipset, proccessor and nics, and it works with that. I am far from being an expert but I have been running obsd since ipf days, this one just baffles me I keep thinking I've missed something, but everything looks right. Peter -Original Message- From: owner-m...@openbsd.org [mailto:owner-m...@openbsd.org] On Behalf Of Bryan Irvine Sent: Friday, August 06, 2010 9:40 PM To: misc@openbsd.org Subject: Re: How to Downgrade from 4.7 to 4.6 On Fri, Aug 6, 2010 at 9:27 PM, Chris Cappuccio ch...@nmedia.net wrote: Considering that 4.7 isn't known to have major, show-stopper bugs in PF like you experience, you may want to consider that there is a bug in some other part of the system like the ethernet driver or some such. If you can try 4.8 snapshots first, and perhaps post your tests, results, and dmesg to the list, then someone can help you narrow down what the actual problem is. Additionally posting what the actual problem is might help as well. -B
Re: How to Downgrade from 4.7 to 4.6
Stuart Henderson s...@spacehopper.org writes: - if you have a restricted MTU connection (pppoe, some others) in the path, make sure you're using an appropriate scrub max-mss option. Emphatically seconded. I forget what the bad settings here were (with restults rather like what the original poster describes, some not terribly well thougth out scrub options carried over from an earlier version), but going to match in all scrub (no-df max-mss 1440) made my home network a lot more pleasant. And yes, the 4.8 snapshots are really worth trying. - Peter -- Peter N. M. Hansteen, member of the first RFC 1149 implementation team http://bsdly.blogspot.com/ http://www.bsdly.net/ http://www.nuug.no/ Remember to set the evil bit on all malicious network traffic delilah spamd[29949]: 85.152.224.147: disconnected after 42673 seconds.
Re: UTF-8
* Jordi Beltran Creix jbcreix.m...@gmail.com [100804 17:26]:
ls(1) does not seem to be 100% UTF-8 ready:
madro...@madthought:~% /bin/ls testb8-C4-D5-b/-\#
testo?=o?=-C4-D5-o?=o?=-#
madro...@madthought:~% /bin/ls testb8-C4-D5-b/-\# |cat
testb8-C4-D5-b/-#
ls(1) needs to use wcwidth(3) instead of just assuming 1 for alignment
and if I remember correctly it also mangles the strings using
isprint(3) or hardcoded values instead of iswprint(3) when printing to
terminal which is probably what you are seeing here.
I made a patch for ls based on NetBSD (see below), works just fine for me.
ed(1) is broken by the latter and ksh(1) for both reasons.
One can use mksh instead (or better backport their utf8-handling code).
wcwidth(3) doesn't seem to have been added yet, though.
wcwidth() is in, but no man page yet.
--- ls.c2010/08/07 15:15:04 1.1
+++ ls.c2010/08/07 15:17:32
@@ -41,6 +41,7 @@
#include err.h
#include errno.h
#include fts.h
+#include locale.h
#include grp.h
#include pwd.h
#include stdio.h
@@ -102,6 +103,7 @@
int kflag = 0;
char *p;
+ setlocale(LC_CTYPE, );
/* Terminal defaults to -Cq, non-terminal defaults to -1. */
if (isatty(STDOUT_FILENO)) {
if ((p = getenv(COLUMNS)) != NULL)
--- util.c 2010/08/07 15:00:48 1.1
+++ util.c 2010/08/07 15:13:52
@@ -41,18 +41,75 @@
#include stdio.h
#include stdlib.h
#include string.h
+#include wchar.h
#include ls.h
#include extern.h
+#define MB_LEN_MAX 32 /* goes into limits.h */
+
+static int
+printwc(wchar_t wc, mbstate_t * pst)
+{
+ size_t size;
+ charbuf[MB_LEN_MAX];
+
+ size = wcrtomb(buf, wc, pst);
+ if (size == (size_t) -1) /* This shouldn't happen, but for
+* sure */
+ return 0;
+ if (wc == L'\0') {
+ /* The following condition must be always true, but for sure */
+ if (size 0 buf[size - 1] == '\0')
+ --size;
+ }
+ if (size 0)
+ fwrite(buf, 1, size, stdout);
+ return wc == L'\0' ? 0 : wcwidth(wc);
+}
+
int
-putname(char *name)
+putname(char *src)
{
- int len;
+ int n = 0;
+ mbstate_t src_state, stdout_state;
+ /* The following +1 is to pass '\0' at the end of src to mbrtowc(). */
+ const char *endptr = src + strlen(src) + 1;
- for (len = 0; *name; len++, name++)
- putchar((!isprint(*name) f_nonprint) ? '?' : *name);
- return len;
+ /*
+ * We have to reset src_state each time in this function, because
+ * the codeset of src pathname may not match with current locale.
+ * Note that if we pass NULL instead of src_state to mbrtowc(),
+ * there is no way to reset the state.
+ */
+ memset(src_state, 0, sizeof(src_state));
+ memset(stdout_state, 0, sizeof(stdout_state));
+ while (src endptr) {
+ wchar_t wc;
+ size_t rv, span = endptr - src;
+ rv = mbrtowc(wc, src, span, src_state);
+ if (rv == 0) { /* assert(wc == L'\0'); */
+ /* The following may output a shift sequence. */
+ n += printwc(wc, stdout_state);
+ break;
+ }
+ if (rv == (size_t) -1) { /* probably errno == EILSEQ */
+ n += printwc(L'?', stdout_state);
+ /* try to skip 1byte, because there is no better way */
+ src++;
+ memset(src_state, 0, sizeof(src_state));
+ } else if (rv == (size_t) - 2) {
+ if (span MB_CUR_MAX) {/* incomplete char */
+ n += printwc(L'?', stdout_state);
+ break;
+ }
+ src += span;/* a redundant shift sequence? */
+ } else {
+ n += printwc(iswprint(wc) ? wc : L'?', stdout_state);
+ src += rv;
+ }
+ }
+ return n;
}
void
Re: Error starting gnome
On 07/27/10 11:09, Jose P.G wrote: When i installed OpenBSD 4.4 with gnome all i needed to do is pkd_add gnome-session. I am back using OpenBSD but now apparently as you said is different (also, i never used ports so i really don't know how it works). Can you tell me where i can find the information? Herehttp://www.openbsdsupport.org/gnome-GDM.htmlsays nothing about that. Thank you very much for your help. I ran into this issue the other day when I installed Gnome using gnome-session, per the documentation. I suggest before running gdm and attempting to log in that way, you start gnome with startx and an .xinitrc. This will let you see the error messages from gnome once you close X. In my case it became apparent very quickly that for some reason things like gnome-desktop and gnome-panel (and probably more) had not been installed, so when it started up it really was running all of gnome that was installed, which was pretty much the wallpaper. I do not believe the output from the gnome-session install told me that I needed to install more for gnome to even work, rather it suggested some other packages I may want on top of the functional base.
Re: Error starting gnome
On 08/07/10 11:28, Steven Susbauer wrote: snip I do not believe the output from the gnome-session install told me that I needed to install more for gnome to even work, rather it suggested some other packages I may want on top of the functional base. I was wrong about one. gnome-panel is not installed by default and is one of those suggested in the README.OpenBSD. Check out the file (/usr/share/doc/gnome-session/README.OpenBSD) and install at least some of the packages listed in the top half. They say it's for a satisfying experience, but without even having a panel or terminal, gnome is pretty much impossible to use.
Re: UTF-8
Alexander Polakov wrote on Sat, Aug 07, 2010 at 06:52:24PM +0400: I made a patch for ls based on NetBSD (see below), works just fine for me. Ugh. I hate that. Well, i partly see a point in providing such functions in libraries, because libraries are used for compiling all sorts of software, including typesetting software etc. etc. But do we really want to uproot the tree in src/bin in this respect? I value correctness by simplicity, and this code looks nightmarish. More than 20 lines of code basically for counting up the length of a word, involving five calls to two different library functions, not counting memset. Yes, it is possible to put all kinds of bytes into filenames. But that doesn't mean it is a smart idea, and i'm not sure it should be actively encouraged. And even if you happen to think there is nothing wrong with filenames that cannot be displayed everywhere, or with filenames that look identical but are actually different, or with filenames that some software may handle poorly, I consider the price we have to pay for this feature rather high.
Re: memory fragmentation
On Sat, Aug 7, 2010 at 8:19 AM, Edwin Eyan Moragas e...@yndy.org wrote: assuming that a long running app would malloc(3) when needed and then free(3)s the resource immediately when it is done, is memory fragmentation still a concern for long running apps? what are steps that you take to manage this problem if ever it is a problem? you write your own allocator.
Re: How to Downgrade from 4.7 to 4.6
there is zero information in this thread which would allow me (or any other pf developer, heck, anybody else) to even guess if there is a problem in pf or in your setup or on your link or whereever. i know of a few bugs in pf, but apparently nobody else found them yet. which is puzzling, especially for one. none of the things I am aware of could be the reason for behaviour like the one described here. in general, i am not aware of any real problems with pf after 4.7. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: memory fragmentation
* Ted Unangst ted.unan...@gmail.com [2010-08-07 19:54]: you write your own allocator. don't. ever. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: memory fragmentation
On Sat, Aug 7, 2010 at 4:03 PM, Henning Brauer lists-open...@bsws.dewrote: * Ted Unangst ted.unan...@gmail.com [2010-08-07 19:54]: you write your own allocator. don't. ever. to put it another way, if memory fragmentation ever does become a problem for you, there is probably an easier and safer solution than writing your own allocator. upgrading to a 64-bit platform, for example, is likely to be a far better solution. modifying your app to use malloc(3) and free(3) more conservatively may be a viable option as well, although at that point you're starting down the road of writing your own allocator again. -ken
Reduza as suas mensalidades ate -60%
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suspend - who's allowed?
Hello, suspend/resume works OK on Lenovo T400 but I have question, probably pebkac one, about conditions of this feature. Is it normal to be able to suspend laptop even I have no opened console and my X is locked? If so, is there a way to configure something (console or X) to prevent this? I do not want to allow people to make jokes while suspending my laptop when I withdraw even keeping it secured with kensington and locked with X locker :) jirib
Re: suspend - who's allowed?
suspend/resume works OK on Lenovo T400 but I have question, probably pebkac one, about conditions of this feature. Is it normal to be able to suspend laptop even I have no opened console and my X is locked? If so, is there a way to configure something (console or X) to prevent this? I do not want to allow people to make jokes while suspending my laptop when I withdraw even keeping it secured with kensington and locked with X locker :) We are dealing with that after release.
Re: memory fragmentation
On Sun, Aug 8, 2010 at 4:03 AM, Henning Brauer lists-open...@bsws.de wrote: * Ted Unangst ted.unan...@gmail.com [2010-08-07 19:54]: you write your own allocator. don't. ever. i don't intend to. thank you Ted and Henning for pointing that out. -- Henning Brauer, h...@bsws.de, henn...@openbsd.org BS Web Services, http://bsws.de Full-Service ISP - Secure Hosting, Mail and DNS Services Dedicated Servers, Rootservers, Application Hosting
Re: memory fragmentation
On Sun, Aug 8, 2010 at 4:19 AM, Kenneth Gober kgo...@gmail.com wrote: On Sat, Aug 7, 2010 at 4:03 PM, Henning Brauer lists-open...@bsws.dewrote: * Ted Unangst ted.unan...@gmail.com [2010-08-07 19:54]: you write your own allocator. don't. ever. to put it another way, if memory fragmentation ever does become a problem for you, there is probably an easier and safer solution than writing your own allocator. upgrading to a 64-bit platform, for example, is likely to be a far better solution. modifying your app to use malloc(3) and free(3) more conservatively may be a viable option as well, although at that point you're came across this several times. thank you. i guess this is the way. just lessen calls to malloc and free? but isn't this just a performance concern? was wondering if there are any special 'moves' that are employed in creating daemons in openbsd that the devs might care to share. starting down the road of writing your own allocator again. -ken
bootstrap, crypto, hibernation/suspend-to-disk
Hello, first I have to say I do not behold this as fundamental feature but still I'm interested in technical views of this topic and arguments for and against. Scenario: - hibernation to encrypted swap If I understand it correctly bootstrapper would need to be extended to be able to handle encrypted storage. And as OpenBSD has by random key encrypted swap, this would presume to use softraid crypto discipline for swap to be able to read the image and restore it... What are your thoughts about this? For example there's some physical attack against Truecrypt bootloader which somehow confirms there's no way to trust the bootloader itself ;) Some people proposed to Truecrypt devs to use TPM but IIRC OpenBSD has refused TPM. This post is just discussion ;) jirib
Re: bootstrap, crypto, hibernation/suspend-to-disk
first I have to say I do not behold this as fundamental feature but still I'm interested in technical views of this topic and arguments for and against. Scenario: - hibernation to encrypted swap If I understand it correctly bootstrapper would need to be extended to be able to handle encrypted storage. And as OpenBSD has by random key encrypted swap, this would presume to use softraid crypto discipline for swap to be able to read the image and restore it... What are your thoughts about this? For example there's some physical attack against Truecrypt bootloader which somehow confirms there's no way to trust the bootloader itself ;) Some people proposed to Truecrypt devs to use TPM but IIRC OpenBSD has refused TPM. This post is just discussion ;) No kidding. Thoughts and words are free. Boring.
xrandr to turn display back on?
I plugged a monitor into my laptop's VGA port. I ran xrandr --auto and got the mirrored screen. I found it a little distracting, so I turned off the LVDS: xrandr --output LVDS --off. So far, so good. Now I want to unplug the monitor. How do I turn the laptop screen back on? I note that there is no --on option to match with --off. atom:~ xrandr --output LVDS --auto xrandr: Configure crtc 1 invalid time Am I looking at a bug, user error, missing feature, what?
