| 00:14.23 | ds2 | ~ |
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| 00:25.00 | ds2 | arrg... best laid plans reduced to the mercy of a missing usb mini b cable :( |
| 00:25.19 | joe_bleau | Solder and wire-wrap wire... |
| 00:26.22 | RobotGuy | ds2: I have too many of those. |
| 00:26.25 | MonMotha | gah, got an amp that seems to be going bad on me |
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| 00:36.02 | ds2 | so do I, but I am mobile trying out google wifi. bt keyboard uses mini a to charge and it is dead |
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| 01:39.37 | ds2 | ok googlewifi sucks. an edge connection is faster! |
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| 07:25.00 | methril | yo |
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| 08:15.14 | [AD]Turbo | yo |
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| 09:03.40 | roxfan | http://www.freescale.com/webapp/sps/site/overview.jsp?nodeId=05253990362F114F2D4F3655FF |
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| 15:00.19 | kergoth | morning |
| 15:06.14 | prpplague | kergoth: greetings earthling |
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| 18:39.33 | sorphin | yawns |
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| 19:05.48 | prpplague | american express is now asking for a $3.5b bailout |
| 19:12.13 | chouimat|work | :( |
| 19:18.41 | g1powermac_PB | that was a given after they requested to be turned into a commercial bank yesterday |
| 19:21.18 | chouimat|work | prpplague: url? |
| 19:22.55 | prpplague | http://biz.yahoo.com/ap/081112/american_express_ahead_of_the_bell.html?.v=1 |
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| 22:39.14 | prpplague | landley: hey bud |
| 22:39.50 | landley | Hiya prpplague. What's up? |
| 22:40.30 | prpplague | landley: stress, cholesterol, blood pressure, taxes |
| 22:40.48 | CosmicPenguin | I read Texas... |
| 22:41.49 | prpplague | CosmicPenguin: dyslexia kicking in? |
| 22:41.57 | landley | Dyslexics have more fnu. |
| 22:42.12 | landley | Although it's still a horrible trick to play on people with that condition, giving it that name. |
| 22:42.25 | landley | They should have named it "O". |
| 22:42.26 | prpplague | indeed |
| 22:42.33 | landley | Reads the same backwards, forwards, and upside down. |
| 22:42.43 | prpplague | landley: or HOOH |
| 22:42.49 | g1powermac_PB | kicks landley, I read 'fnu' as 'fun' immediately without realizing it ;-) |
| 22:43.34 | prpplague | landley: hey, going thru my emails, some reason one of your emails about toybox got dumped into the semi-spam folder |
| 22:43.49 | prpplague | landley: what was it you were wanting to know about chvt? |
| 22:45.50 | landley | prpplague: chvt does a fallback to several things other than /dev/console, yet the the ioctl only works on virtual terminals. |
| 22:45.51 | landley | Right? |
| 22:45.53 | landley | So why the fallback? |
| 22:45.59 | landley | I think you explained once, but I don't remember the details. |
| 22:48.46 | prpplague | landley: one sec let me pull the code and have a quick look, been too long |
| 22:51.28 | prpplague | landley: the command needs to be able be issue from several different places, for instance, when doing a board with lcd bringup, the console will be most like the serial port, so opening /dev/console will have no effect |
| 22:52.08 | prpplague | landley: you need to be able to issue chvt from different locations, but have it still affect the current virtual console operations |
| 22:52.13 | landley | prpplague: but what does chvt do when you call it on a serial port? |
| 22:52.31 | landley | A serial port can have virtual consoles? |
| 22:52.34 | landley | (screen?) |
| 22:53.37 | prpplague | landley: when using chvt from a serial port, the chvt function changes the virtual terminal that is configured as the primary display device |
| 22:54.15 | prpplague | landley: think of it this way, if you have a getty running on the serial port of your pc, and you use minicom from another device to connect and log in |
| 22:54.41 | prpplague | landley: when you issue the chvt 3 command, you would get the same results as if you were doing ctrl-alt-f3 |
| 22:54.53 | landley | Understood. |
| 22:55.05 | landley | So you're saying there wouldn't _be_ a /dev/console on such a system? |
| 22:55.28 | landley | Or that calling the chvt ioctl on /dev/console would be a NOP, but calling it on the serial port inexplicably wouldn't? |
| 22:56.28 | prpplague | you would have a /dev/console , it just might be the same display device as the one running the virtual terminal |
| 22:56.57 | landley | So why would the chvt ioctl not work on that? |
| 22:59.53 | prpplague | landley: because the ioctl would acting on /dev/console which is pointing to the serial port which doesn't support virtual terminals |
| 23:02.48 | prpplague | landley: i think there was a better explaination in some notes i had, one set |
| 23:02.49 | prpplague | sec |
| 23:03.45 | landley | I suppose I could give it an optional second argument: device other than /dev/console to call the ioctl on... |
| 23:03.45 | landley | The fallback search thing seems way too much like a brittle heuristic. |
| 23:04.31 | prpplague | indeed, have a look at the mess for the same code in busybox |
| 23:04.44 | prpplague | libbb/get_console_fd.c |
| 23:05.18 | landley | I'm aware busybox contains some impressive messes. |
| 23:05.25 | landley | That's why I'm back to working on toybox. |
| 23:05.58 | prpplague | <PROTECTED> |
| 23:05.58 | prpplague | <PROTECTED> |
| 23:05.58 | prpplague | <PROTECTED> |
| 23:07.09 | prpplague | i.e. similar to why you have can do alt-f3 under text console, but do ctrl-alt-f3 under X, |
| 23:08.19 | prpplague | landley: both kbd-utils and busybox use a lib function for "get_console_fd()" , which is then reused in a number of applets |
| 23:08.36 | landley | Which applets? |
| 23:10.04 | prpplague | greps |
| 23:10.38 | prpplague | for busybox it is chvt, deallocvt, and setkeycodes |
| 23:14.27 | prpplague | landley: here are the kbd-utils apps that use the equiv of get_console_fd() which is simply getfd() |
| 23:14.28 | prpplague | http://pastebin.ca/1254751 |
| 23:16.38 | prpplague | landley: really the three different fd's isn't the most logic of implementations, however, it covers about 99% of the conditions that occur |
| 23:16.57 | prpplague | landley: and the other 1% it simply bails |
| 23:17.21 | landley | I'm really liking the "command line argument so specify something other than /dev/console" line of reasoning here. |
| 23:17.40 | landley | This is triggering my "in brief: avoid" instincts. |
| 23:20.15 | prpplague | landley: yea, if you really want it to be brief, just stick with the "something other than /dev/console" |
| 23:20.49 | landley | It's as much "simple" as brief, but that would reduce the size too. |
| 23:21.07 | prpplague | landley: chvt is mostly used as a tool for when key combinations such as ctrl-alt-f1 are impossible because of the lack of keyboard |
| 23:21.16 | landley | Yup. |
| 23:21.27 | landley | Understood, and I'm all for it. |
| 23:22.06 | prpplague | the other issue with changing the arguments for chvt, is that it is used in alot of scripts |
| 23:23.10 | landley | prpplague: the thing is, the current code in your chvt will happily open /dev/console if it exists, and not fallback to the others if the ioctl later fails. |
| 23:23.31 | landley | Also, devfs style /dev/vc/0 adds nothing, and /dev/tty will point to your _pty_ if you ssh'd in. |
| 23:23.55 | landley | Which is why I didn't understand how those two fallbacks would help matters. |
| 23:25.50 | prpplague | landley: yea, when i originally started looking at busybox years and years ago, i had the same argument with andersee iirc |
| 23:26.20 | prpplague | landley: seems like he also had some "corner cases" that were an issue |
| 23:26.45 | prpplague | has to go, they are closing the office |
| 23:26.47 | prpplague | landley: bbiab |
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| 23:29.02 | frikker_ | ker |
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