lwhsu’s gists

lwhsu / gist:fb89c7ded6772346b5d1

Created July 3, 2014 05:45

	(kgdb) bt
	#0 doadump (textdump=0) at pcpu.h:219
	#1 0xffffffff803464ae in db_dump (dummy=<value optimized out>, dummy2=0, dummy3=0, dummy4=0x0) at /usr/src/sys/ddb/db_command.c:543
	#2 0xffffffff80345f4d in db_command (cmd_table=0x0) at /usr/src/sys/ddb/db_command.c:449
	#3 0xffffffff80345cc4 in db_command_loop () at /usr/src/sys/ddb/db_command.c:502
	#4 0xffffffff803486a0 in db_trap (type=<value optimized out>, code=0) at /usr/src/sys/ddb/db_main.c:231
	#5 0xffffffff8093eca9 in kdb_trap (type=3, code=0, tf=<value optimized out>) at /usr/src/sys/kern/subr_kdb.c:654
	#6 0xffffffff80d16d7e in trap (frame=0xfffffe00977260c0) at /usr/src/sys/amd64/amd64/trap.c:549
	#7 0xffffffff80cf9ce2 in calltrap () at /usr/src/sys/amd64/amd64/exception.S:231
	#8 0xffffffff8093e40e in kdb_enter (why=0xffffffff80f947b8 "panic", msg=<value optimized out>) at cpufunc.h:63

lwhsu / gist:a811a74a57bc2ceb38c0

Created July 3, 2014 18:28

	(kgdb) bt
	#0 doadump (textdump=0) at pcpu.h:219
	#1 0xffffffff803454ee in db_dump (dummy=<value optimized out>, dummy2=0, dummy3=0, dummy4=0x0)
	at /usr/src/sys/ddb/db_command.c:543
	#2 0xffffffff80344f8d in db_command (cmd_table=0x0) at /usr/src/sys/ddb/db_command.c:449
	#3 0xffffffff80344d04 in db_command_loop () at /usr/src/sys/ddb/db_command.c:502
	#4 0xffffffff803476e0 in db_trap (type=<value optimized out>, code=0)
	at /usr/src/sys/ddb/db_main.c:231
	#5 0xffffffff80932169 in kdb_trap (type=3, code=0, tf=<value optimized out>)
	at /usr/src/sys/kern/subr_kdb.c:656

lwhsu / gist:aaeb772ed90eef9ba53c

Created July 9, 2014 08:29

	#!/usr/bin/env python

	import datetime

	numdays = 180

	base = datetime.datetime.today()
	date_list = [base - datetime.timedelta(days=x) for x in range(0, numdays)]
	for date in date_list:
	y1 = date.year

lwhsu / fetch-distfiles.pl

Created July 16, 2014 06:01

	#!/usr/bin/perl -w

	#
	# Updating ports tree, portsnap.tw.FreeBSD.org cache and
	# local distfiles.
	#

	use strict;

	my @arch = qw/amd64 i386 ia64 pc98 powerpc sparc64/;

lwhsu / gist:bc11ad8ad189a5eb1276

Created August 9, 2014 22:35

https://www.dropbox.com/sh/grzpq6kj7cyo6vw/AADt5vNFHi8HC41Tdaaypfs9a#/

lwhsu / gist:00087990d678b0fe39db

Created August 12, 2014 07:21

GIT

http://dylandy.github.io/Easy-Git-Tutorial/

lwhsu / gist:ebd7e39677e62a6eb6d4

Created August 14, 2014 17:13

	# Pastebin 8Ovy7YOd
	依值型別編程 (DTP)
	Dependently Typed Programming
	穆信成 Shin-Cheng Mu
	https://www.youtube.com/watch?v=Yl2TYS3UTc4 7/2 上午 part 1/9 169
	https://www.youtube.com/watch?v=IjD8mglDWRI 7/2 上午 part 2/9 170
	https://www.youtube.com/watch?v=pg2R-Yoq1Zs 7/2 上午 part 3/9 171
	https://www.youtube.com/watch?v=g0zDRnO24c0 7/2 上午 part 4/9 172
	https://www.youtube.com/watch?v=-kPIWdWQ8o0 7/2 上午 part 5/9 173
	https://www.youtube.com/watch?v=-DEsqlpqSp0 7/3 上午 part 6/9 179

lwhsu / gist:459000094faca466ac35

Created September 18, 2014 16:26

	panic: mutex Giant owned at /usr/src/sys/kern/kern_synch.c:443
	cpuid = 1
	KDB: stack backtrace:
	db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe009752cfc0
	kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe009752d070
	vpanic() at vpanic+0x126/frame 0xfffffe009752d0b0
	panic() at panic+0x43/frame 0xfffffe009752d110
	__mtx_assert() at __mtx_assert+0xd4/frame 0xfffffe009752d120
	mi_switch() at mi_switch+0x8a/frame 0xfffffe009752d190
	sleepq_switch() at sleepq_switch+0x165/frame 0xfffffe009752d1f0

lwhsu / gist:0b988945760b8cc60a0b

Last active August 29, 2015 14:08

Watch a File Using Kernel Queues

Li-Wen Hsu lwhsu