Changes between Version 9 and Version 10 of jazz/08-11-16

Timestamp:

Nov 16, 2008, 8:10:17 AM (16 years ago)

Author:

jazz

Comment:

--

jazz/08-11-16

@@ -5 +5 @@
  * 無線網路:
 {{{
->tracert 140.110.1.1
+C:\>tracert 140.110.1.1
 
 Tracing route to 140.110.1.1 over a maximum of 30 hops
@@ -112 +112 @@
 [  3]  0.0-10.0 sec  1.25 MBytes  1.05 Mbits/sec  1.827 ms    0/  893 (0%)
 }}}
+ * [DRBL] jfbterm Bug
+   * https://bugs.launchpad.net/ubuntu/+source/jfbterm/+bug/253163
+   * http://launchpadlibrarian.net/16414131/jfbterm-segfault.txt
+   * http://launchpadlibrarian.net/16414135/jfbterm-segfault-strace.txt
+   * [測試]
+     * 安裝 [http://ftp.twaren.net/Linux/Ubuntu/ubuntu-cd/8.10/ubuntu-8.10-server-amd64.iso Ubuntu 8.10 Server AMD64]
+     * 
+{{{
+root@intrepid:~# apt-get update
+root@intrepid:~# apt-get upgrade
+root@intrepid:~# reboot
+root@intrepid:~# uname -a
+Linux intrepid 2.6.27-7-server #1 SMP Tue Nov 4 20:16:57 UTC 2008 x86_64 GNU/Linux
+root@intrepid:~# apt-get install jfbterm v86d
+root@intrepid:~# reboot
+root@intrepid:~# dpkg -S chvt
+kbd: /usr/share/man/man1/chvt.1.gz
+kbd: /bin/chvt
+root@intrepid:~# chvt 1
+root@intrepid:~# rmmod uvesafb
+ERROR: Module uvesafb does not exist in /proc/modules
+root@intrepid:~# modprobe uvesafb mode_option=1024x768
+root@intrepid:~# screen
+root@intrepid:~# jfbterm -e ls
+... 略 ...
+color 15 : ffff, ffff
+cannot mmap(mmio) : Invalid argument
+Segmentation fault
+}}}
+ * [備註] 如果沒有裝 v86d 的話，當執行 modprobe uvesafb 時會在 dmesg 看到以下資訊
+{{{
+[  703.839376] uvesafb: failed to execute /sbin/v86d
+[  703.840224] uvesafb: make sure that the v86d helper is installed and executable
+[  703.841494] uvesafb: Getting VBE info block failed (eax=0x4f00, err=-2)
+[  703.842307] uvesafb: vbe_init() failed with -22
+[  703.843019] uvesafb: probe of uvesafb.0 failed with error -22
+}}}
+ * [備註] 如果有裝 v86d 的話，當執行 modprobe uvesafb 時會在 dmesg 看到以下資訊
+{{{
+[  268.848377] uvesafb: VMware, IncVMware virtual machine2.0, VMware virtual machine2.0, 2.0, OEM: V M ware, Inc. VBE support 2.0VMware, IncVMware virtual machine2.0, VBE v2.0
+[  268.884099] uvesafb: no monitor limits have been set, default refresh rate will be used
+[  268.885202] uvesafb: VBE state buffer size cannot be determined (eax=0x0, err=0)
+[  268.885265] uvesafb: scrolling: redraw
+[  268.896617] mtrr: your processor doesn't support write-combining
+[  268.909303] Console: switching to colour frame buffer device 128x48
+[  269.938085] uvesafb: framebuffer at 0xf0000000, mapped to 0xffffc20000180000, using 16384k, total 16384k
+[  269.938101] fb0: VESA VGA frame buffer device
+}}}