Changes between Version 1 and Version 2 of Reading/XenG/cuda

Timestamp:

Apr 16, 2009, 2:19:08 PM (15 years ago)

Author:

rider

Comment:

--

Reading/XenG/cuda

@@ -18 +18 @@
 
 == 步驟一: 連線到遠端主機 ==
-# 以下兩種連線方式擇一使用. [[BR]]
+'''# 以下兩種連線方式擇一使用.''' [[BR]]
 rider@cloud:~$ ssh 140.xxx.xxx.xxx [[BR]]
 rider@cloud:~$ vncviewer 140.xxx.xxx.xxx [[BR]]
 
 == 步驟二: 產生一台虛擬機器來使用 CUDA ==
-
-# 設定你想要怎樣規格的虛擬機器
+'''# 設定你想要怎樣規格的虛擬機器.'''
 rider@cloud:~$ sudo vim /etc/xen-tools/xen-tools.conf [[BR]]
 {{{
@@ -48 +47 @@
 rider@cloud:~$ sudo xen-create-image --hostname nvidia --ip 140.XXX.XXX.XXX [[BR]]
 
-== 步驟三: 設定你的虛擬機器 ==
+== 步驟三: 查看你的顯卡資訊 ==
+rider@cloud:~$ lspci -vv
+{{{
+01:00.0 VGA compatible controller: nVidia Corporation GeForce 9800 GT (rev a2)
+        Subsystem: ASUSTeK Computer Inc. Device 82a0
+        Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
+        Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
+        Latency: 0
+        Interrupt: pin A routed to IRQ 16
+        Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
+        Region 1: Memory at d0000000 (64-bit, prefetchable) [size=256M]
+        Region 3: Memory at fa000000 (64-bit, non-prefetchable) [size=32M]
+        Region 5: I/O ports at dc80 [size=128]
+        [virtual] Expansion ROM at fea00000 [disabled] [size=128K]
+        Capabilities: <access denied>
+        Kernel driver in use: pciback
+        Kernel modules: nvidia, nvidiafb
+}}}
+
+== 步驟四: PCI Frontend Configuration 設定你的 DomU ==
 rider@cloud:~$ sudo vim /etc/xen/nvidia.cfg [[BR]]
 {{{
@@ -56 +74 @@
 memory      = '1024'
 vcpus       = '4'
+
+# 配置你的 PCIE 顯示卡
 pci         = ['01:00.0']
 
@@ -78 +98 @@
 }}}
 
+== 步驟五: PCI Backend Configuration 設定你的 Dom0 ==
+rider@cloud:~$ sudo su - [[BR]]
+'''# Hide the device from dom0 so pciback can take control.''' [[BR]]
+root@cloud:~$ echo -n "0000:01:00.0" > /sys/bus/pci/drivers/nvidia/unbind [[BR]]
 
-== 步驟四:  ==
+'''# Give the dev_ids to pciback, and give it a new slot then bind.''' [[BR]]
+root@cloud:~$ echo -n "0000:01:00.0" > /sys/bus/pci/drivers/pciback/new_slot [[BR]]
+root@cloud:~$ echo -n "0000:01:00.0" > /sys/bus/pci/drivers/pciback/bind [[BR]]
 
-== 步驟五:  ==
+root@cloud:~$ cat /sys/bus/pci/drivers/pciback/slots [[BR]]
+{{{ 
+0000:01:00.0
+}}}
 
-== 步驟六:  ==
+'''# Caution: Make sure that the device is not controlled by any driver: there should be no driver symlink for nvidia.''' [[BR]] 
+{{{
+PATH: /sys/bus/pci/devices/0000:01:00.0/
+driver -> ../../../../bus/pci/drivers/nvidia ---> This symlink shouldn't exist.
+}}}
+
+== 步驟六: 硬體直接存取設定 ==
+
+=== Permissive Flag ===
+
+rider@cloud:~$ sudo vim /etc/xen/xend-pci-permissive.sxp [[BR]]
+{{{
+(unconstrained_dev_ids
+     #('0123:4567:89AB:CDEF')
+     ('0000:01:00.0')
+)
+}}}
+
+=== User-space Quirks ===
+
+rider@cloud:~$ sudo vim /etc/xen/xend-pci-quirks.sxp [[BR]]
+{{{
+(pci_ids
+   # Entries are formated as follows:  
+   #     <vendor>:<device>[:<subvendor>:<subdevice>]
+
+   ('10de:0605'   # NVIDIA 9800GT
+   )
+)
+}}}
+
+== 步驟七: 啟動並登入你的虛擬機器 DomU ==
+'''說明: 用 root 免密碼先登入,然後建立自己的帳號. 改用自己的帳號登入(亦可用 root 登入 , 不新建帳號 ):''' [[BR]]
+@ Dom0 [[BR]]
+rider@cloud:~$ sudo xm create -c nvidia.cfg [[BR]]
+
+@ DomU [[BR]]
+root@nvidia:~# adduser username [[BR]]
+root@nvidia:~# vim /etc/sudoers [[BR]]
+{{{
+username    ALL=(ALL) ALL
+}}}
+
+== 步驟八: 設定你的 DomU ==
+'''# 設定 locales (系統語系)''' [[BR]]
+rider@nvidia:~$ sudo vim /etc/profile [[BR]]
+{{{
+# Locale
+export LANGUAGE="en_US.UTF-8"
+export LC_ALL="en_US.UTF-8"
+export LANG="en_US.UTF-8"
+}}}
+rider@nvidia:~$ source /etc/profile [[BR]]
+rider@nvidia:~$ sudo dpkg-reconfigure locales [[BR]]
+rider@nvidia:~$ sudo apt-get update [[BR]]
+rider@nvidia:~$ sudo apt-get install wget [[BR]]
+'''# 更新 PCI ID Database''' [[BR]]
+rider@nvidia:~$ sudo update-pciids [[BR]]
+'''# 查看顯卡資訊有無正常顯示''' [[BR]]
+rider@nvidia:~$ lspci [[BR]]
+{{{
+00:00.0 VGA compatible controller: nVidia Corporation GeForce 9800 GT (rev a2)
+}}}
+'''# 查看顯卡資源有無順利分配到 DomU''' [[BR]]
+rider@nvidia:~$ dmesg | grep pci
+{{{
+pcifront pci-0: Installing PCI frontend
+pcifront pci-0: Creating PCI Frontend Bus 0000:00
+pciback 0000:00:00.0: probing...
+pciback: pcistub_init_devices_late
+}}}