August 31, 2004
升级了binutils到2.15
为了正常编译glibc+nptl必须升级gas到2.15
于是升级binutils
tar xvzf glibc+nptl.tar.gz
mkdir glibc-build
cd glibc-build
../glibc+nptl/configure --prefix=/usr/lib/nptl --enable-add-ons=nptl --with-tls
编译glibc+nptl中
2.6.8.1的kernel还是出毛病乐
K3b怎么办？我家里电脑还生不升级kernel了涅？
mooreted
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K3b. No writer after kernel 2.6.8.1 compile. ( post #1)
Description:
After compiling a new 2.6.8.1 kernel, K3b now shows only a CD reader. No CD burner is shown. Before compiling the new kernel, K3b worked perfectly.
Additional Info:
This kernel does not support supermount.
Questions:
1. Is the lack of supermount a factor in this problem?
2. Can K3b be made to work without a recompile?
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mykrob
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( post #2)
i dont have a good answer, but the K3B website has this notice:
quote:
o not use Kernel 2.6.8
A patch that was introduced into the kernel shortly before the 2.6.8 release makes K3b and also the dvd+rw-tools unusable on Linux (unless run as root but that is not recommended). The very important GET CONFIGURATION MMC command is rejected by the kernel for reasons I cannot see and writing commands like MODE SELECT also fail (K3b cannot detect CD writers without it) even when the device is opened O_RDWR. Until this issue has been solved I strongly recommend to stick to kernel version 2.6.7.
Update: The kernel guys are currently fixing the problem so the next kernel release should work again.
Update 2: The problem is NOT fixed in 2.6.8.1
Update 3: Be aware that kernel 2.6.8 also contains the memory leak which makes it impossible to write audio cds, even as root.
August 30, 2004
August 28, 2004
August 27, 2004
密云.两个半日
发生踩踏事故的那个桥
小小个密云县，有1个5星，1个4星，若干3星酒店
真是奇怪
据说县城里只有42万人
商业集中的主要街道只有两条
马路两边无数的巨漂亮的小区
都没有人住
晚上街上人很少，白天，人也不多
普通商品房每平米两千元左右，还见到
1千2一平米的
密云县距北京车程2小时，路况很好
酒店餐厅望出去
房间望出去
August 23, 2004
LD_ASSUME_KERNEL会影响动态链接库
本来需要把同一段程序分别链接nptl版的pthread和LinuxThreads的pthread
但是发现无论如何设置 gcc -L/usr/tls 最后连的都是 /lib下老的pthread
最后发现是自己在升级kernel到2.6的时候，为了让老版本的rpm 能正常
工作而 export LD_ASSUME_KERNEL=2.2.5 导致的
重新 export LD_ASSUME_KERNEL=2.4.20就可以了
这个问题也有些奇怪，待考！
而立
August 22, 2004
August 20, 2004
装上了VMWare GSX 3.1
可以在2.6kernel下工作了
可是在我的电脑上会花屏
不知咋搞的
guest os是w2k
显示属性里显示器刷新频率是85
比我的XWindow设置的70还大
还有哪不对呢？
August 19, 2004
xmms 中文支持
-adobe-helvetica-medium-r-normal--12-*-*-*-*-*-iso8859-1,-isas-fangsong ti-medium-r-normal-*-*-160-*-*-c-*-gb2312.1980-0
August 18, 2004
解决 MVL 不同版本冲突的办法
如果CGE, CEE 或 PRO的开发包装到同一台电脑上
由于路径的关系，很多script会调用到其他版本的程序
得到错误的路径。比如CGE的mvl-update-package会调用
hhl-whereami可能得出CEE的路径
解决办法就是临时把需要的路径提到前面去，反正重启动后
会恢复到原样--虽然原样也还是不能同时使用几个版本
#export PATH=/opt/montavista/cge/host/bin:$PATH
狂笑 Why India is struggling with localized language computing
Why India is struggling with localized language computing (NewsForge)
(Posted Aug 17, 2004 20:02 UTC (Tue) by khim) (Post reply)
"Continuous innovation and improvement!" is good idea but on practice... instead of changes to make programs smarter people just accept computer speak broken english. I can not speak for Indians but here are sample from Russian.
It's in fact a long story about why not a single one non-native program have correct translation for simple two words phrase "N file(s)".
Yes, i18n rules dictate separate translation for N == 1 and N > 1.
But does it help much with Russian?
Not at all! Why the hell not?
Well... Here is correct tranlations:
* N = 1: "1 fajl"
* N = 2: "2 fajla"
* N = 5: "5 fajlov"
* N = 10: "10 fajlov"
* N = 11: "11 fajlov"
* N = 12: "12 fajlov"
* N = 21: "21 fajl"
* N = 22: "22 fajla"
* N = 123: "123 fajla"
Now... Can you see the problem ? We have three variants of the same word and it's not just one for N == 1, other for N == 2,3,4 and still other for N >= 5... I've yet to see i18n package where this problem has solution (few Russian programs where I've seen correct language - mostly from banking area - use hardcoded algorythms suitable only for Russian).
I'm pretty sure there other similar problems but this is thing I've biten the most. Translation of "New->Folder" as "Novy->Papka" is just curious (correct translation is "Novaya->Papka" while "Novy->Papka" is in fact correct russian phrase - it just means "New->Dad"). There are a lot of such problems with other languages, I'm sure...
August 16, 2004
linux kernel 历史上第一次出现4个数的版本号
正在编译
2.6.8 release之后马上就被人发现了一个重大bug
Date Sat, 14 Aug 2004 03:41:58 -0700 (PDT)
From Linus Torvalds <>
Subject Re: Linux v2.6.8 - Oops on NFSv3
On Sat, 14 Aug 2004, Willy Tarreau wrote:
>
> I've just compiled and booted 2.6.8 on my dual athlon. Everything went
> OK before I logged in as a non-root user whose home is mounted from
> another linux box over NFSv3/UDP.
Damn. I think the stupid typo in fs/nfs/file.c from the fcntl f_op removal
patch is the problem.
Andrew, since I'm gone in another hour, how about you try to make a
2.6.8.1 with this, since this is clearly a good reason for one?
Linus
--- 1.40/fs/nfs/file.c 2004-08-09 11:58:00 -07:00
+++ edited/fs/nfs/file.c 2004-08-14 03:35:11 -07:00
@@ -89,7 +89,7 @@
int res;
res = nfs_check_flags(filp->f_flags);
- if (!res)
+ if (res)
return res;
lock_kernel();
linus本人的看法：
From: Linus Torvalds
Subject: Re: Linux v2.6.8 - Oops on NFSv3
Newsgroups: gmane.linux.kernel
Date: Sat, 14 Aug 2004 04:05:56 -0700
On Sat, 14 Aug 2004, Christoph Hellwig wrote:
>
> Cane we make this 2.6.9 to avoid breaking all kinds of scripts expecting
> three-digit kernel versions?
Well, we've been discussing the 2.6.x.y format for a while, so I see this
as an opportunity to actually do it... Will it break automated scripts?
Maybe. But on the other hand, we'll never even find out unless we try it
some time.
Linus
典型的open source project测试不完整导致重大bug
man 一个文件
man [path]file
当前路径就是 man ./file
奇怪，这个man man和man -h都没有说
August 13, 2004
August 11, 2004
August 10, 2004
August 09, 2004
解决在.config里写启动参数image没写入的问题
如果在.config里写入参数，直接make zImage是不会把改动的参数写到binary image的。
需要删去 arch/cpu/boot/common/misc-simple.o 才行
August 07, 2004
August 06, 2004
strip可不能乱用
昨天发现lmbench跑的特别快，别人要几个小时我这里居然只要几分钟。
不过马上就下班了，就没细琢磨。
今天发现很多数据都特别好，好的不可思议。明显是workload不够嘛。
回头查lmbench的log，才发现无数的segmantation fault 。
最后自己写了个helloworld，发现跟本没连接对crt1.o。
终于想起来了，原来某天发现自己的home空间不够了，就把fs目录
recursive 地strip了一遍，结果把lib里的.o的符号表都给弄没了。
copy原来的之后，好了！
August 05, 2004
700$的遥控器
Sony是不是疯了？？？
What's under the hood?
The Navitus is based on a 200MHz Motorola i.MX1, a popular ARM920 based application processor that powers several PDAs (including the Royal Linea) and other handheld devices that run Linux. The Navitus boots from 32MB of Flash, using the JFFS2 filesystem, cramfs, tmpfs, and ramfs.
The Navitus measures 4 x 6.5 x 2 inches (120 x 174 x 38 mm) and includes a 3.5-inch backlit touchscreen LCD supporting 65K colors. It weighs in at 12 ounces, for optimal beverage balancing properties. Operating range is 33 feet (10 meters).
I/O ports include a USB port and a memory stick slot. The device is powered by a non-removable Ni-MH battery.
Software side
The Navitus uses a 2.4.18 Linux kernel based on MontaVista Linux, which has supported the i.MX1 processor since July of 2003. Sony lists bash, busybox, and tinylogin among the source packages, and the kernel appears to include support for the processor's serial interface, suggesting that it may be possible to somehow bring up a shell on the remote control. The kernel also appears to support NFS, possibly for use with a filesystem on a remote development host. These features may have been disabled in the kernel that is included in the production version, however.
The Navitus uses mtools to interface with the memory stick, and appears capable of initializing memory sticks using the msmkdosfs package.
In addition to standard ASCII (iso8859-1)and US English (codepage 437), the Navitus supports Multilingual Latin 1 (NLS codepage 850), suggesting Sony will market the device in Europe.
August 04, 2004
解决 telnetd: /usr/lib/telnetlogin: No such file or directory
这个也是google不出来的
去掉telnetlogin 的S属性位即可
另外，apache启动不起来是因为 /var/run 不可写
以上为今天的工作日记