blog

dell e4200, troubles with sound (ubuntu 10.10)

2011-01-07T13:47:00.000-08:00


asimakov@asimakov-laptop:~$ sudo lshw -C  multimedia
  *-multimedia            
       description: Audio device
       product: 82801I (ICH9 Family) HD Audio Controller
       vendor: Intel Corporation
       physical id: 1b
       bus info: pci@0000:00:1b.0
       version: 03
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: driver=HDA Intel latency=0
       resources: irq:47 memory:f6adc000-f6adffff

add some magic lines to /etc/modprobe.d/alsa-base.conf


asimakov@asimakov-laptop:~$ cat /etc/modprobe.d/alsa-base.conf  | grep snd-hda-intel
options snd-hda-intel model=3stack-dig
options snd-hda-intel enable_msi=1
options snd-hda-intel single_cmd=1

more information here: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/274424

create executable file from lisp source (sbcl)

2008-02-03T13:43:00.000-08:00

This is a very simple lisp file:


(print "Hello. World!")

At first, need compile this file:


:~$ sbcl --noinform
* (compile-file "helloworld.lisp" :output-file "helloworld")

; compiling file "/home/asimakov/helloworld.lisp" (written 04 FEB 2008 12:44:58 AM):
; compiling (PRINT "Hello. World!")

; /home/asimakov/helloworld.fasl written
; compilation finished in 0:00:00
#P"/home/asimakov/helloworld.fasl"
NIL
NIL
*

Next, load module binfmt_misc and mount binfmt_misc filesystem:


:~$ sudo modprobe binfmt_misc
:~$ sudo mount -t binfmt_misc none /proc/sys/fs/binfmt_misc

At last, register fasl filetype (from root of course) by the specyfing a byte pattern:


:~$ echo ":lisp:M::\x23\x20FASL::/usr/lib/sbcl/sbcl-run:" > /proc/sys/fs/binfmt_misc/register

or by extension:


:~$ echo ':lisp:E::fasl::/usr/lib/sbcl/sbcl-run:' > /proc/sys/fs/binfmt_misc/register

That's all, you can execute fasl from command line:


:~$ chmod +x helloworld.fasl ; ./helloworld.fasl
"Hello. World!"

See also:
Documentation for binfmt_misc: http://www.kernel.org/doc/Documentation/binfmt_misc.txt

read stream in sbcl

2007-11-28T15:19:00.000-08:00

(with-open-stream (files
     (sb-ext:process-output
      (sb-ext:run-program "/usr/bin/cat" '("/path/to/file")
       :output :stream)))
  (loop :for line = (read-line files nil nil)
 :while (and
  (my-mega-condition-p line))
  line) :do (princ line) (terpri)))

imap, gnus & gmail.com

2007-11-05T12:10:00.000-08:00

~/.gnus.el


(setq user-mail-address "asimakov@gmail.com")
(setq user-full-name "Alexey Simakov")
(load-library "smtpmail")
(load-library "nnimap")
(load-library "starttls")
(setq gnus-select-method '(nnimap "imap.gmail.com"
           (nnimap-address "imap.gmail.com")
           (nnimap-server-port 993)
           (nnimap-authinfo-file "~/.imap-authinfo")
           (nnimap-stream ssl)))

(setq smtpmail-starttls-credentials '(("smtp.gmail.com" 587 nil nil))
      smtpmail-smtp-server "smtp.gmail.com"
      smtpmail-default-smtp-server "smtp.gmail.com"
      send-mail-function 'smtpmail-send-it
      message-send-mail-function 'smtpmail-send-it
      smtpmail-smtp-service 587
      smtpmail-auth-credentials '(("smtp.gmail.com"
       587
       "asimakov@gmail.com"
       nil)))
(add-hook 'gnus-topic-mode-hook 'gnus-topic-mode)

~/.imap-authinfo

machine imap.gmail.com login asimakov@gmail.com password MyPassword port 993

get CA certificates and put them in ~/Mail/certs/


$ cd ~/Mail/
$ wget http://members.cox.net/mynameisdavid/archive/certificates.zip
$ unzip certificates.zip
$ mv cer certs

remote swank server, emacs & unicode

2007-07-28T03:44:00.000-07:00

.emacs:

(add-to-list 'load-path "~/elisp/slime")
(require 'slime)
(setq slime-net-coding-system 'utf-8-unix)
(set-language-environment "utf-8")
(slime-setup)

swank.lisp:

(require 'asdf)
(asdf:oos 'asdf:load-op 'swank)
(setq swank:*use-dedicated-output-stream* nil)
(swank:create-server :coding-system "utf-8-unix")

On remote host:

$ sbcl --load swank.lisp

ssh tunnel for slime using putty:

Putty Configuration Menu->New Session->Connection->SSH->Tunnels:
Source port: 4005
Destination: localhost:4005

Putty Configuration Menu->Session:
Host name or ip: user@host-with-swank

ssh tunnel for slime using ssh:

ssh -2 -N -f -L 4005:localhost:4005 user@host-with-swank

Connect to slime:

M-x slime-connect

Links:
Emacs for Windows
SLIME