[Bug 1547754] Re: pppoe MTU problems

2016-02-19 Thread Wenzhuo Zhang
** Description changed:

  1. If the MTU of eth0 is 1500, network-manager fails to establish a
  pppoe connection, and the MTU of eth0 (not ppp0) is then automatically
  lowered to 1492. Now network-manager can successfully establish a pppoe
  connection. If I manually set the MTU of eth0 back to 1500, network-
  manager would fail again. See attached log.
  
  2. The Access Concentrator of my ISP offers MTU values of both 1492 and
- 1442. pppd-4.3.5 in Ubuntu 14.04 adopts 1492 as the MTU of the ppp
- device, while pppd-4.3.7 in Xenial adopts 1442. Setting the lower MTU on
+ 1442. pppd-2.4.5 in Ubuntu 14.04 adopts 1492 as the MTU of the ppp
+ device, while pppd-2.4.7 in Xenial adopts 1442. Setting the lower MTU on
  the WAN link (ppp0) can easily cause PMTU-D problems, especially for
  remote VPN clients.
  
  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: network-manager 1.0.4-0ubuntu9
  ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1
  Uname: Linux 4.4.0-6-generic i686
  ApportVersion: 2.20-0ubuntu3
  Architecture: i386
  CurrentDesktop: LXDE
  Date: Sat Feb 20 09:56:32 2016
  IpRoute:
-  default via 172.16.10.1 dev eth0  proto static  metric 100 
-  169.254.0.0/16 dev eth0  scope link  metric 1000 
-  172.16.10.0/24 dev eth0  proto kernel  scope link  src 172.16.10.32  metric 
100
+  default via 172.16.10.1 dev eth0  proto static  metric 100
+  169.254.0.0/16 dev eth0  scope link  metric 1000
+  172.16.10.0/24 dev eth0  proto kernel  scope link  src 172.16.10.32  metric 
100
  NetworkManager.state:
-  [main]
-  NetworkingEnabled=true
-  WirelessEnabled=false
-  WWANEnabled=true
+  [main]
+  NetworkingEnabled=true
+  WirelessEnabled=false
+  WWANEnabled=true
  RfKill:
-  0: phy0: Wireless LAN
-   Soft blocked: yes
-   Hard blocked: no
+  0: phy0: Wireless LAN
+   Soft blocked: yes
+   Hard blocked: no
  SourcePackage: network-manager
  UpgradeStatus: Upgraded to xenial on 2016-02-19 (0 days ago)
  WpaSupplicantLog:
-  
+ 
  nmcli-dev:
-  DEVICE  TYPE  STATE DBUS-PATH  
CONNECTION  CON-UUID  CON-PATH  
  
-  eth0ethernet  connected /org/freedesktop/NetworkManager/Devices/1  
Auto eth0   dff18f4d-6732-4eab-bd06-5209635b9bab  
/org/freedesktop/NetworkManager/ActiveConnection/11 
-  irda0   unknown   disconnected  /org/freedesktop/NetworkManager/Devices/2  
--  ----
  
-  eth1wifi  unavailable   /org/freedesktop/NetworkManager/Devices/3  
--  ----
  
-  lo  loopback  unmanaged /org/freedesktop/NetworkManager/Devices/0  
--  ----
+  DEVICE  TYPE  STATE DBUS-PATH  
CONNECTION  CON-UUID  CON-PATH
+  eth0ethernet  connected /org/freedesktop/NetworkManager/Devices/1  
Auto eth0   dff18f4d-6732-4eab-bd06-5209635b9bab  
/org/freedesktop/NetworkManager/ActiveConnection/11
+  irda0   unknown   disconnected  /org/freedesktop/NetworkManager/Devices/2  
--  ----
+  eth1wifi  unavailable   /org/freedesktop/NetworkManager/Devices/3  
--  ----
+  lo  loopback  unmanaged /org/freedesktop/NetworkManager/Devices/0  
--  ----
  nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 
2: Error: Object 'nm' is unknown, try 'nmcli help'.

** Attachment removed: "IfupdownConfig.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576094/+files/IfupdownConfig.txt

** Attachment removed: "IpAddr.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576095/+files/IpAddr.txt

** Attachment removed: "IwConfig.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576096/+files/IwConfig.txt

** Attachment removed: "JournalErrors.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576097/+files/JournalErrors.txt

** Attachment removed: "NetDevice.eth0.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576098/+files/NetDevice.eth0.txt

** Attachment removed: "NetDevice.eth1.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576099/+files/NetDevice.eth1.txt

** Attachment removed: "NetDevice.irda0.txt"
   
https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1547754/+attachment/4576100/+files/NetDevice.irda0.txt

** Attachment removed: "NetDevice.lo.txt"
   

[Bug 1547754] [NEW] pppoe MTU problems

2016-02-19 Thread Wenzhuo Zhang
Public bug reported:

1. If the MTU of eth0 is 1500, network-manager fails to establish a
pppoe connection, and the MTU of eth0 (not ppp0) is then automatically
lowered to 1492. Now network-manager can successfully establish a pppoe
connection. If I manually set the MTU of eth0 back to 1500, network-
manager would fail again. See attached log.

2. The Access Concentrator of my ISP offers MTU values of both 1492 and
1442. pppd-2.4.5 in Ubuntu 14.04 adopts 1492 as the MTU of the ppp
device, while pppd-2.4.7 in Xenial adopts 1442. Setting the lower MTU on
the WAN link (ppp0) can easily cause PMTU-D problems, especially for
remote VPN clients.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: network-manager 1.0.4-0ubuntu9
ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1
Uname: Linux 4.4.0-6-generic i686
ApportVersion: 2.20-0ubuntu3
Architecture: i386
CurrentDesktop: LXDE
Date: Sat Feb 20 09:56:32 2016
IpRoute:
 default via 172.16.10.1 dev eth0  proto static  metric 100
 169.254.0.0/16 dev eth0  scope link  metric 1000
 172.16.10.0/24 dev eth0  proto kernel  scope link  src 172.16.10.32  metric 100
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=false
 WWANEnabled=true
RfKill:
 0: phy0: Wireless LAN
  Soft blocked: yes
  Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: Upgraded to xenial on 2016-02-19 (0 days ago)
WpaSupplicantLog:

nmcli-dev:
 DEVICE  TYPE  STATE DBUS-PATH  
CONNECTION  CON-UUID  CON-PATH
 eth0ethernet  connected /org/freedesktop/NetworkManager/Devices/1  
Auto eth0   dff18f4d-6732-4eab-bd06-5209635b9bab  
/org/freedesktop/NetworkManager/ActiveConnection/11
 irda0   unknown   disconnected  /org/freedesktop/NetworkManager/Devices/2  --  
----
 eth1wifi  unavailable   /org/freedesktop/NetworkManager/Devices/3  --  
----
 lo  loopback  unmanaged /org/freedesktop/NetworkManager/Devices/0  --  
----
nmcli-nm: Error: command ['nmcli', '-f', 'all', 'nm'] failed with exit code 2: 
Error: Object 'nm' is unknown, try 'nmcli help'.

** Affects: network-manager (Ubuntu)
 Importance: Undecided
 Status: New


** Tags: apport-bug i386 xenial

** Attachment added: "$ sed -n '/^Feb 20 08:45/,/^Feb 20 08:51/p' 
/var/log/syslog | egrep '(pppd|NetworkManager)' | sed 's/...//g; 
s/00:11:25:.../00:11:25:aa:bb:cc/g; s/ac:85:3d:../ac:85:3d:ee:dd:ff/g' > 
network-manager-pppoe.log"
   
https://bugs.launchpad.net/bugs/1547754/+attachment/4576091/+files/network-manager-pppoe.log

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Title:
  pppoe MTU problems

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[Bug 563862] Re: USB Devices and Some CDs cause gnome-power-manager to fail

2011-05-23 Thread Wenzhuo Zhang
I also have this problem only when iPod Touch is connected to a USB
port. I can confirm that disconnecting iPod Touch solves the problem.

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Title:
  USB Devices and Some CDs cause gnome-power-manager to fail

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-05-13 Thread Wenzhuo Zhang
** Description changed:

  Binary package hint: linux-image
  
  I upgraded my ThinkPad X32 notebook to Lucid beta last weekend. The
  notebook does not have a floppy drive, but the floppy kernel module
  causes very high cpu iowait usage for about 20 minutes after reboot. At
  the same time, it keeps issuing error messages as follows:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
- Reproducible in 2.6.32-16-generic and 2.6.32-17-generic.
+ Reproducible in 2.6.32-16-generic, 2.6.32-17-generic, 2.6.32-22-generic
+ and the upstream kernel 2.6.34rc7.
  
  Manually removing(rmmod) and loading(modprobe) the floppy module later
  cannot reproduce the problem.
  
- One workaround is to blacklist the floppy kernel module.
+ Work-arounds:
+ 1. blacklist the floppy kernel module.
+ 2. disable Legacy Floppy Drive in ThinkPad BIOS.
  
- 
- --- 
+ ---
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
  Architecture: i386
  AudioDevicesInUse:
-  USERPID ACCESS COMMAND
-  /dev/snd/controlC0:  wenzhuo1498 F pulseaudio
+  USERPID ACCESS COMMAND
+  /dev/snd/controlC0:  wenzhuo1498 F pulseaudio
  CRDA: Error: [Errno 2] No such file or directory
  Card0.Amixer.info:
-  Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981B at irq 11'
-Mixer name : 'Analog Devices AD1981B'
-Components : 'AC97a:41445374'
-Controls  : 26
-Simple ctrls  : 18
+  Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981B at irq 11'
+    Mixer name : 'Analog Devices AD1981B'
+    Components : 'AC97a:41445374'
+    Controls  : 26
+    Simple ctrls  : 18
  Card29.Amixer.info:
-  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
1QHT23WW-1.08'
-Mixer name : 'ThinkPad EC 1QHT23WW-1.08'
-Components : ''
-Controls  : 2
-Simple ctrls  : 1
+  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
1QHT23WW-1.08'
+    Mixer name : 'ThinkPad EC 1QHT23WW-1.08'
+    Components : ''
+    Controls  : 2
+    Simple ctrls  : 1
  Card29.Amixer.values:
-  Simple mixer control 'Console',0
-Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
-Playback channels: Mono
-Limits: Playback 0 - 14
-Mono: Playback 0 [0%] [on]
+  Simple mixer control 'Console',0
+    Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
+    Playback channels: Mono
+    Limits: Playback 0 - 14
+    Mono: Playback 0 [0%] [on]
  DistroRelease: Ubuntu 10.04
  HibernationDevice: RESUME=UUID=5e4fc5f4-fe53-4b3c-9743-552d18a38bc2
  MachineType: IBM 2672AEC
  Package: linux (not installed)
  PccardctlIdent:
-  Socket 0:
-no product info available
-  Socket 1:
-no product info available
+  Socket 0:
+    no product info available
+  Socket 1:
+    no product info available
  PccardctlStatus:
-  Socket 0:
-no card
-  Socket 1:
-no card
+  Socket 0:
+    no card
+  Socket 1:
+    no card
  ProcCmdLine: root=UUID=46aacfd3-26dd-438e-a50d-5d8951d49614 ro quiet splash
  ProcEnviron:
-  LANG=en_US.utf8
-  SHELL=/bin/bash
+  LANG=en_US.utf8
+  SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
  Regression: No
  RelatedPackageVersions: linux-firmware 1.34
  Reproducible: Yes
  RfKill:
-  
+ 
  Tags: lucid  needs-upstream-testing
  Uname: Linux 2.6.32-22-generic i686
  UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
  WpaSupplicantLog:
-  
+ 
  dmi.bios.date: 09/22/2005
  dmi.bios.vendor: IBM
  dmi.bios.version: 1QET97WW (3.02 )
  dmi.board.name: 2672AEC
  dmi.board.vendor: IBM
  dmi.board.version: Not Available
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: IBM
  dmi.chassis.version: Not Available
  dmi.modalias: 
dmi:bvnIBM:bvr1QET97WW(3.02):bd09/22/2005:svnIBM:pn2672AEC:pvrThinkPadX32:rvnIBM:rn2672AEC:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
  dmi.product.name: 2672AEC
  dmi.product.version: ThinkPad X32
  dmi.sys.vendor: IBM

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[Bug 514742] Re: [058f:6254 Alcor Micro Corp. USB Hub] USB port gets stuck at suspend status after Safely Remove Device

2010-05-13 Thread Wenzhuo Zhang
apport information

** Tags added: apport-collected

** Description changed:

  Binary package hint: linux-image
  
  OS: Ubuntu 9.10 (Karmic Koala)
  Kernel: 2.6.31-17-generic
  
  I've got a PowerSync HU-210B USB 2.0 4-Port HUB, which is based on the
  Alcor USB Hub chip (058f:6254 Alcor Micro Corp. USB Hub). After
  performing Safely Remove Drive on a USB flash drive connected to this
  hub, the USB port no longer reacts to plug/unplug events (gets stuck at
  suspend status), until the hub itself is disconnected and reconnected
  to the upstream.
  
  Since the problem is not reproducible in Windows XP, I guess it's caused
  by a bug in the linux-usb subsystem.
  
  [code]
  $ sudo lsusb -v -d 058f:6254
  
  Bus 001 Device 019: ID 058f:6254 Alcor Micro Corp. USB Hub
  Device Descriptor:
bLength18
bDescriptorType 1
bcdUSB   2.00
bDeviceClass9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 1 Single TT
bMaxPacketSize064
idVendor   0x058f Alcor Micro Corp.
idProduct  0x6254 USB Hub
bcdDevice1.00
iManufacturer   0 
iProduct1 USB2.0Hub
iSerial 0 
bNumConfigurations  1
Configuration Descriptor:
  bLength 9
  bDescriptorType 2
  wTotalLength   25
  bNumInterfaces  1
  bConfigurationValue 1
  iConfiguration  0 
  bmAttributes 0xe0
Self Powered
Remote Wakeup
  MaxPower  100mA
  Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber0
bAlternateSetting   0
bNumEndpoints   1
bInterfaceClass 9 Hub
bInterfaceSubClass  0 Unused
bInterfaceProtocol  0 Full speed (or root) hub
iInterface  0 
Endpoint Descriptor:
  bLength 7
  bDescriptorType 5
  bEndpointAddress 0x81  EP 1 IN
  bmAttributes3
Transfer TypeInterrupt
Synch Type   None
Usage Type   Data
  wMaxPacketSize 0x0001  1x 1 bytes
  bInterval  12
  Hub Descriptor:
bLength   9
bDescriptorType  41
nNbrPorts 4
wHubCharacteristic 0x0080
  Ganged power switching
  Ganged overcurrent protection
  TT think time 8 FS bits
  Port indicators
bPwrOn2PwrGood   50 * 2 milli seconds
bHubContrCurrent100 milli Ampere
DeviceRemovable0x00
PortPwrCtrlMask0xff
   Hub Port Status:
 Port 1: .0507 highspeed power suspend enable connect
 Port 2: .0100 power
 Port 3: .0100 power
 Port 4: .0100 power
  Device Qualifier (for other device speed):
bLength10
bDescriptorType 6
bcdUSB   2.00
bDeviceClass9 Hub
bDeviceSubClass 0 Unused
bDeviceProtocol 0 Full speed (or root) hub
bMaxPacketSize064
bNumConfigurations  1
  Device Status: 0x0001
Self Powered
  [/code]
+ --- 
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
+ Architecture: i386
+ AudioDevicesInUse:
+  USERPID ACCESS COMMAND
+  /dev/snd/controlC0:  wenzhuo1478 F pulseaudio
+ CRDA: Error: [Errno 2] No such file or directory
+ Card0.Amixer.info:
+  Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981B at irq 11'
+Mixer name : 'Analog Devices AD1981B'
+Components : 'AC97a:41445374'
+Controls  : 26
+Simple ctrls  : 18
+ Card29.Amixer.info:
+  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
1QHT23WW-1.08'
+Mixer name : 'ThinkPad EC 1QHT23WW-1.08'
+Components : ''
+Controls  : 2
+Simple ctrls  : 1
+ Card29.Amixer.values:
+  Simple mixer control 'Console',0
+Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
+Playback channels: Mono
+Limits: Playback 0 - 14
+Mono: Playback 0 [0%] [on]
+ CurrentDmesg:
+  [   38.564029] eth1: no IPv6 routers present
+  [   38.668024] eth0: no IPv6 routers present
+  [   40.077636] lib80211_crypt: registered algorithm 'CCMP'
+  [   40.111479] padlock: VIA PadLock not detected.
+  [   40.154625] lib80211_crypt: registered algorithm 'TKIP'
+ DistroRelease: Ubuntu 10.04
+ HibernationDevice: RESUME=UUID=5e4fc5f4-fe53-4b3c-9743-552d18a38bc2
+ Lsusb:
+  Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
+  Bus 001 Device 002: ID 058f:6254 Alcor Micro Corp. USB Hub
+  Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ MachineType: IBM 

[Bug 514742] AplayDevices.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: AplayDevices.txt
   http://launchpadlibrarian.net/48416076/AplayDevices.txt

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[Bug 514742] ArecordDevices.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: ArecordDevices.txt
   http://launchpadlibrarian.net/48416078/ArecordDevices.txt

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[Bug 514742] BootDmesg.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: BootDmesg.txt
   http://launchpadlibrarian.net/48416081/BootDmesg.txt

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[Bug 514742] Card0.Amixer.values.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Amixer.values.txt
   http://launchpadlibrarian.net/48416086/Card0.Amixer.values.txt

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[Bug 514742] Card0.Codecs.codec97.0.ac97.0.0.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Codecs.codec97.0.ac97.0.0.txt
   http://launchpadlibrarian.net/48416097/Card0.Codecs.codec97.0.ac97.0.0.txt

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[Bug 514742] Lspci.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: Lspci.txt
   http://launchpadlibrarian.net/48416101/Lspci.txt

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[Bug 514742] Card0.Codecs.codec97.0.ac97.0.0.regs.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Codecs.codec97.0.ac97.0.0.regs.txt
   
http://launchpadlibrarian.net/48416098/Card0.Codecs.codec97.0.ac97.0.0.regs.txt

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[Bug 514742] IwConfig.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: IwConfig.txt
   http://launchpadlibrarian.net/48416099/IwConfig.txt

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[Bug 514742] PciMultimedia.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: PciMultimedia.txt
   http://launchpadlibrarian.net/48416112/PciMultimedia.txt

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[Bug 514742] ProcCpuinfo.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcCpuinfo.txt
   http://launchpadlibrarian.net/48416116/ProcCpuinfo.txt

-- 
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[Bug 514742] ProcInterrupts.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcInterrupts.txt
   http://launchpadlibrarian.net/48416121/ProcInterrupts.txt

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[Bug 514742] ProcModules.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcModules.txt
   http://launchpadlibrarian.net/48416124/ProcModules.txt

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[Bug 514742] UdevDb.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: UdevDb.txt
   http://launchpadlibrarian.net/48416130/UdevDb.txt

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[Bug 514742] WifiSyslog.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: WifiSyslog.txt
   http://launchpadlibrarian.net/48416137/WifiSyslog.txt

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[Bug 514742] UdevLog.txt

2010-05-13 Thread Wenzhuo Zhang
apport information

** Attachment added: UdevLog.txt
   http://launchpadlibrarian.net/48416136/UdevLog.txt

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[Bug 514742] Re: [058f:6254 Alcor Micro Corp. USB Hub] USB port gets stuck at suspend status after Safely Remove Device

2010-05-13 Thread Wenzhuo Zhang
The upstream kernel linux-image-2.6.34-020634rc7-generic does not have
this problem. But flash drives do not automount under this kernel.

** Tags removed: needs-kernel-logs needs-upstream-testing

** Changed in: linux (Ubuntu)
   Status: Incomplete = Confirmed

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-05-12 Thread Wenzhuo Zhang
apport information

** Tags added: apport-collected

** Description changed:

  Binary package hint: linux-image
  
  I upgraded my ThinkPad X32 notebook to Lucid beta last weekend. The
  notebook does not have a floppy drive, but the floppy kernel module
  causes very high cpu iowait usage for about 20 minutes after reboot. At
  the same time, it keeps issuing error messages as follows:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
  Reproducible in 2.6.32-16-generic and 2.6.32-17-generic.
  
  Manually removing(rmmod) and loading(modprobe) the floppy module later
  cannot reproduce the problem.
  
  One workaround is to blacklist the floppy kernel module.
+ 
+ 
+ --- 
+ AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.21.
+ Architecture: i386
+ AudioDevicesInUse:
+  USERPID ACCESS COMMAND
+  /dev/snd/controlC0:  wenzhuo1498 F pulseaudio
+ CRDA: Error: [Errno 2] No such file or directory
+ Card0.Amixer.info:
+  Card hw:0 'I82801DBICH4'/'Intel 82801DB-ICH4 with AD1981B at irq 11'
+Mixer name : 'Analog Devices AD1981B'
+Components : 'AC97a:41445374'
+Controls  : 26
+Simple ctrls  : 18
+ Card29.Amixer.info:
+  Card hw:29 'ThinkPadEC'/'ThinkPad Console Audio Control at EC reg 0x30, fw 
1QHT23WW-1.08'
+Mixer name : 'ThinkPad EC 1QHT23WW-1.08'
+Components : ''
+Controls  : 2
+Simple ctrls  : 1
+ Card29.Amixer.values:
+  Simple mixer control 'Console',0
+Capabilities: pvolume pvolume-joined pswitch pswitch-joined penum
+Playback channels: Mono
+Limits: Playback 0 - 14
+Mono: Playback 0 [0%] [on]
+ DistroRelease: Ubuntu 10.04
+ HibernationDevice: RESUME=UUID=5e4fc5f4-fe53-4b3c-9743-552d18a38bc2
+ MachineType: IBM 2672AEC
+ Package: linux (not installed)
+ PccardctlIdent:
+  Socket 0:
+no product info available
+  Socket 1:
+no product info available
+ PccardctlStatus:
+  Socket 0:
+no card
+  Socket 1:
+no card
+ ProcCmdLine: root=UUID=46aacfd3-26dd-438e-a50d-5d8951d49614 ro quiet splash
+ ProcEnviron:
+  LANG=en_US.utf8
+  SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.32-22.33-generic 2.6.32.11+drm33.2
+ Regression: No
+ RelatedPackageVersions: linux-firmware 1.34
+ Reproducible: Yes
+ RfKill:
+  
+ Tags: lucid  needs-upstream-testing
+ Uname: Linux 2.6.32-22-generic i686
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
+ WpaSupplicantLog:
+  
+ dmi.bios.date: 09/22/2005
+ dmi.bios.vendor: IBM
+ dmi.bios.version: 1QET97WW (3.02 )
+ dmi.board.name: 2672AEC
+ dmi.board.vendor: IBM
+ dmi.board.version: Not Available
+ dmi.chassis.asset.tag: No Asset Information
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: IBM
+ dmi.chassis.version: Not Available
+ dmi.modalias: 
dmi:bvnIBM:bvr1QET97WW(3.02):bd09/22/2005:svnIBM:pn2672AEC:pvrThinkPadX32:rvnIBM:rn2672AEC:rvrNotAvailable:cvnIBM:ct10:cvrNotAvailable:
+ dmi.product.name: 2672AEC
+ dmi.product.version: ThinkPad X32
+ dmi.sys.vendor: IBM

** Attachment added: AlsaDevices.txt
   http://launchpadlibrarian.net/48365311/AlsaDevices.txt

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[Bug 544954] AplayDevices.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: AplayDevices.txt
   http://launchpadlibrarian.net/48365316/AplayDevices.txt

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[Bug 544954] ArecordDevices.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: ArecordDevices.txt
   http://launchpadlibrarian.net/48365317/ArecordDevices.txt

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[Bug 544954] BootDmesg.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: BootDmesg.txt
   http://launchpadlibrarian.net/48365318/BootDmesg.txt

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[Bug 544954] Card0.Amixer.values.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Amixer.values.txt
   http://launchpadlibrarian.net/48365321/Card0.Amixer.values.txt

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[Bug 544954] Card0.Codecs.codec97.0.ac97.0.0.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Codecs.codec97.0.ac97.0.0.txt
   http://launchpadlibrarian.net/48365328/Card0.Codecs.codec97.0.ac97.0.0.txt

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[Bug 544954] Card0.Codecs.codec97.0.ac97.0.0.regs.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: Card0.Codecs.codec97.0.ac97.0.0.regs.txt
   
http://launchpadlibrarian.net/48365330/Card0.Codecs.codec97.0.ac97.0.0.regs.txt

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[Bug 544954] CurrentDmesg.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: CurrentDmesg.txt
   http://launchpadlibrarian.net/48365332/CurrentDmesg.txt

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[Bug 544954] Lspci.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: Lspci.txt
   http://launchpadlibrarian.net/48365339/Lspci.txt

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[Bug 544954] IwConfig.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: IwConfig.txt
   http://launchpadlibrarian.net/48365338/IwConfig.txt

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[Bug 544954] Lsusb.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: Lsusb.txt
   http://launchpadlibrarian.net/48365343/Lsusb.txt

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[Bug 544954] UdevDb.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: UdevDb.txt
   http://launchpadlibrarian.net/48365370/UdevDb.txt

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[Bug 544954] PciMultimedia.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: PciMultimedia.txt
   http://launchpadlibrarian.net/48365344/PciMultimedia.txt

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[Bug 544954] ProcCpuinfo.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcCpuinfo.txt
   http://launchpadlibrarian.net/48365345/ProcCpuinfo.txt

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[Bug 544954] ProcInterrupts.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcInterrupts.txt
   http://launchpadlibrarian.net/48365346/ProcInterrupts.txt

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[Bug 544954] ProcModules.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: ProcModules.txt
   http://launchpadlibrarian.net/48365349/ProcModules.txt

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[Bug 544954] UdevLog.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: UdevLog.txt
   http://launchpadlibrarian.net/48365382/UdevLog.txt

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[Bug 544954] WifiSyslog.txt

2010-05-12 Thread Wenzhuo Zhang
apport information

** Attachment added: WifiSyslog.txt
   http://launchpadlibrarian.net/48365383/WifiSyslog.txt

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-05-12 Thread Wenzhuo Zhang
Tried the upstream kernel #020634rc7. It also has the problem.

** Tags removed: needs-kernel-logs needs-upstream-testing

** Changed in: linux (Ubuntu)
   Status: Incomplete = Confirmed

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Re: [Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-05-02 Thread Wenzhuo Zhang

On 05/03/2010 05:32 AM, Thomas Schwinge wrote:
 This bug's status is Fix Committed -- are updated packages available already? 
  Or shall I compile something and test it?



Updated packages are currently available in Bryce's Personal Package 
Archive. You can add it to your sources.list by running the following 
command:

sudo add-apt-repository ppa:bryceharrington/purple

and then apt-get update  apt-get upgrade.

Wenzhuo

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Re: [Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-04-15 Thread Wenzhuo Zhang

Neither apport nor gdb can catch a meaningful backtrace; and apport can 
detect the crash only when gdb is attached to the X process. I don't 
know why. I've carefully read and followed the instructions provided in 
the following X debugging howtos:

http://xorg.freedesktop.org/wiki/Development/Documentation/ServerDebugging
https://wiki.ubuntu.com/X/Backtracing


On 04/16/2010 08:23 AM, Bryce Harrington wrote:
 Changed in: xserver-xorg-video-ati (Ubuntu)
 Status: Incomplete =  Triaged



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[Bug 544988] Re: [lucid] Intel 82855PM AGP stuck at 1x mode

2010-04-14 Thread Wenzhuo Zhang
It works here. Thanks.

After agpmode=4 is passed to the kernel driver radeon, dmesg shows:

[   17.992868] [drm] radeon kernel modesetting enabled.
[   17.993022] radeon :01:00.0: power state changed by ACPI to D0
[   17.993037] radeon :01:00.0: PCI INT A - Link[LNKA] - GSI 11 (level, 
low) - IRQ 11
[   18.002328] [drm] radeon: Initializing kernel modesetting.
[   18.009602] [drm] register mmio base: 0xC010
[   18.009606] [drm] register mmio size: 65536
[   18.010023] [drm] GPU reset succeed (RBBM_STATUS=0x0140)
[   18.010046] [drm] AGP mode requested: 4
[   18.010053] agpgart-intel :00:00.0: AGP 2.0 bridge
[   18.010074] agpgart-intel :00:00.0: putting AGP V2 device into 4x mode
[   18.010111] radeon :01:00.0: putting AGP V2 device into 4x mode
[   18.010144] [drm] radeon: VRAM 64M
[   18.010146] [drm] radeon: VRAM from 0x to 0x03FF
[   18.010149] [drm] radeon: GTT 256M
[   18.010151] [drm] radeon: GTT from 0xD000 to 0xDFFF
[   18.010182] [drm] radeon: irq initialized.
[   18.011330] [drm] Detected VRAM RAM=64M, BAR=128M
[   18.011335] [drm] RAM width 32bits DDR
[   18.012913] [TTM] Zone  kernel: Available graphics memory: 441986 kiB.
[   18.012917] [TTM] Zone highmem: Available graphics memory: 642374 kiB.
[   18.012939] [drm] radeon: 16M of VRAM memory ready
[   18.012942] [drm] radeon: 256M of GTT memory ready.
[   18.040258] [drm] radeon: cp idle (0x8080)
[   18.040556] [drm] Loading R100 Microcode
[   18.040881] platform radeon_cp.0: firmware: requesting radeon/R100_cp.bin
[   18.061943] [drm] radeon: ring at 0xD000
[   18.061965] [drm] ring test succeeded in 1 usecs
[   18.069418] [drm] radeon: ib pool ready.
[   18.069525] [drm] ib test succeeded in 0 usecs
[   18.070475] [drm] Panel ID String: 1024x768
[   18.070479] [drm] Panel Size 1024x768
[   18.070759] [drm] Radeon Display Connectors
[   18.070762] [drm] Connector 0:
[   18.070764] [drm]   VGA
[   18.070767] [drm]   DDC: 0x60 0x60 0x60 0x60 0x60 0x60 0x60 0x60
[   18.070769] [drm]   Encoders:
[   18.070772] [drm] CRT1: INTERNAL_DAC1
[   18.070774] [drm] Connector 1:
[   18.070776] [drm]   LVDS
[   18.070777] [drm]   Encoders:
[   18.070779] [drm] LCD1: INTERNAL_LVDS
[   18.186940] ipw2200: Detected geography ZZR (14 802.11bg channels, 0 802.11a 
channels)
[   18.187498] yenta_cardbus :02:00.1: CardBus bridge found [1014:0532]
[   18.205147] [drm] fb mappable at 0xE004
[   18.205152] [drm] vram apper at 0xE000
[   18.205154] [drm] size 786432
[   18.205156] [drm] fb depth is 8
[   18.205158] [drm]pitch is 1024
[   18.235234] fb0: radeondrmfb frame buffer device
[   18.235238] registered panic notifier
[   18.235247] [drm] Initialized radeon 2.0.0 20080528 for :01:00.0 on 
minor 0

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[Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-04-12 Thread Wenzhuo Zhang
apport detected the crash when I was trying to get a full backtrace
using gdb. See bug #561433 for the crash report.

** Attachment removed: _usr_bin_Xorg.0.crash
   http://launchpadlibrarian.net/43427946/_usr_bin_Xorg.0.crash

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[Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-04-12 Thread Wenzhuo Zhang
According to https://wiki.ubuntu.com/CrashReporting, we should wait for
the triaging team to verify that it does not contain any sensitive
information. But I don't think it contains much sensitive information
that I care about. I am setting it public.

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[Bug 561433] Re: X server crash - ATI M6 LY

2010-04-12 Thread Wenzhuo Zhang
*** This bug is a duplicate of bug 539772 ***
https://bugs.launchpad.net/bugs/539772

** Visibility changed to: Public

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[Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-04-08 Thread Wenzhuo Zhang
I was not able to get X to core dump, but I found one X crash report in
/var/crash. I don't even know if it was caused by the same bug.

I have installed the dbg packages as referred to in
https://wiki.ubuntu.com/X/Backtracing. What am I missing?

r...@micky:~/report# gdb /usr/bin/X CoreDump
GNU gdb (GDB) 7.1-ubuntu
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later http://gnu.org/licenses/gpl.html
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.  Type show copying
and show warranty for details.
This GDB was configured as i486-linux-gnu.
For bug reporting instructions, please see:
http://www.gnu.org/software/gdb/bugs/...
Reading symbols from /usr/bin/X...(no debugging symbols found)...done.

warning: core file may not match specified executable file.
[New Thread 2609]
Reading symbols from /lib/ld-linux.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/ld-linux.so.2
Core was generated by `/usr/bin/X :0 -br -verbose -auth 
/var/run/gdm/auth-for-gdm-h2ATvw/database -nol'.
Program terminated with signal 11, Segmentation fault.
#0  0x00498fb6 in ?? ()
(gdb) bt f
#0  0x00498fb6 in ?? ()
No symbol table info available.
#1  0x in ?? ()
No symbol table info available.
(gdb) 


** Attachment added: _usr_bin_Xorg.0.crash
   http://launchpadlibrarian.net/43427946/_usr_bin_Xorg.0.crash

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[Bug 539772] Re: Lucid 2.6.32-16 crashed to login screen - miCopyRegion

2010-04-02 Thread Wenzhuo Zhang
apport cannot detect the crash, core is not dumped even though ulimit
-c unlimited is set, and gdb fails to collect a meaningful backtrace. I
failed to collect a full backtrace. Please shed some light on it.

When trying to collect a full backtrace, I found that typing in the
search bar of firefox can no longer make X crash if compiz is enabled.

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Re: [Bug 545045] Re: [lucid] X server crash

2010-03-30 Thread Wenzhuo Zhang
On 03/30/2010 05:05 PM, Bryce Harrington wrote:
 Are you able to reproduce this issue easily?

Yes, every time.

 If so, please collect a
 full backtrace - see http://wiki.ubuntu.com/X/Backtracing for


The backtrace collected by gdb contains much less information
than what X collected.

 directions.  If not, could you describe the conditions under which the
 crash tends to occur?


Just start firefox, and type slowly in the address bar as the
incremental search drop down menu of the search history
appears. For example, I have a lot of keywords starting with x or
xorg in the search history. I just have to type x serv..., and X
crashes at the fifth or sixth character. It's reproducible every time.

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[Bug 545045] Re: [lucid] X server crash

2010-03-30 Thread Wenzhuo Zhang
Sorry, I mean the search bar. It seems that typing in the address bar
cannot reproduce the crash.

** Description changed:

  Binary package hint: xserver-xorg
  
  After upgrading my ThinkPad X32 to Ubuntu 10.04 beta, I often experience
- X server crash when typing in the address/search bar of Firefox.
+ X server crash when typing in the search bar of Firefox.
  
  Backtrace:
  0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e880b]
  1: /usr/bin/X (0x8048000+0x61aed) [0x80a9aed]
  2: (vdso) (__kernel_rt_sigreturn+0x0) [0x4f6410]
  3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x2b3000+0xb20f9) [0x3650f9]
  4: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x9490) [0x1f2490]
  5: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x9558) [0x1f2558]
  6: /usr/bin/X (miCopyRegion+0x21b) [0x819ac9b]
  7: /usr/bin/X (miDoCopy+0x44d) [0x819b1bd]
  8: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x7a1a) [0x1f0a1a]
  9: /usr/bin/X (0x8048000+0xd9e83) [0x8121e83]
  10: /usr/bin/X (0x8048000+0x28dd5) [0x8070dd5]
  11: /usr/bin/X (0x8048000+0x2a457) [0x8072457]
  12: /usr/bin/X (0x8048000+0x1ed3a) [0x8066d3a]
  13: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x5afbd6]
  14: /usr/bin/X (0x8048000+0x1e921) [0x8066921]
  Segmentation fault at address (nil)
  
  Caught signal 11 (Segmentation fault). Server aborting

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[Bug 545045] Re: [lucid] X server crash

2010-03-26 Thread Wenzhuo Zhang
** Changed in: xorg-server (Ubuntu)
   Status: Incomplete = New

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[Bug 545045] Re: [lucid] X server crash

2010-03-24 Thread Wenzhuo Zhang
** Tags removed: needs-xorglog

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-03-24 Thread Wenzhuo Zhang
reproducible in 2.6.32-16-generic and 2.6.32-17-generic.

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-03-24 Thread Wenzhuo Zhang
** Description changed:

  Binary package hint: linux-image
  
- I upgraded my ThinkPad X32 notebook to Lucid beta. The notebook does not
- have floppy drive, but the floppy kernel module causes very high cpu
- iowait usage for about 20 minutes after reboot, while issuing the
- following error messages:
+ I upgraded my ThinkPad X32 notebook to Lucid beta last weekend. The
+ notebook does not have a floppy drive, but the floppy kernel module
+ causes very high cpu iowait usage for about 20 minutes after reboot. At
+ the same time, it keeps issuing error messages as follows:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
  Manually removing(rmmod) and loading(modprobe) the floppy module later
- cannot reproduce the high cpu iowait usage.
+ cannot reproduce the problem.
  
- The workaround is to blacklist the floppy module.
+ One workaround is to blacklist the floppy kernel module.

** Description changed:

  Binary package hint: linux-image
  
  I upgraded my ThinkPad X32 notebook to Lucid beta last weekend. The
  notebook does not have a floppy drive, but the floppy kernel module
  causes very high cpu iowait usage for about 20 minutes after reboot. At
  the same time, it keeps issuing error messages as follows:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
+ Reproducible in 2.6.32-16-generic and 2.6.32-17-generic.
+ 
  Manually removing(rmmod) and loading(modprobe) the floppy module later
  cannot reproduce the problem.
  
  One workaround is to blacklist the floppy kernel module.

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[Bug 363238] Re: [RV100] very poor Xorg performance on various older graphics HW - XAA solves this

2010-03-24 Thread Wenzhuo Zhang
It seems that XAA can no longer be enabled in Lucid, and the problem is
still reproducible: Open Gnome-Terminal, run top, and then keep moving
the Gnome-Terminal window, the cpu usage of Xorg instantly climbs to 80%
or more. So the problem has not been fixed yet.

** Changed in: xserver-xorg-video-ati (Ubuntu)
   Status: Fix Released = Confirmed

** Summary changed:

- [RV100] very poor Xorg performance on various older graphics HW - XAA solves 
this
+ [RV100] very poor Xorg performance on various older graphics HW - XAA no 
longer works

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[Bug 363238] Re: [RV100] very poor Xorg performance on various older graphics HW - XAA no longer works

2010-03-24 Thread Wenzhuo Zhang
Although the cpu usage of Xorg is still high, I feel that the
performance is better than in Jaunty.

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-03-24 Thread Wenzhuo Zhang
** Tags added: lucid
** Tags removed: kernel-series-unknown

** Description changed:

  Binary package hint: linux-image
  
  I upgraded my ThinkPad X32 notebook to Lucid beta. The notebook does not
  have floppy drive, but the floppy kernel module causes very high cpu
- iowait usage for about 20 minutes after initial booting, while issuing
- the following error messages:
+ iowait usage for about 20 minutes after reboot, while issuing the
+ following error messages:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
  Manually removing(rmmod) and loading(modprobe) the floppy module later
  cannot reproduce the high cpu iowait usage.
  
  The workaround is to blacklist the floppy module.

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[Bug 544988] Re: [lucid] Intel 82855PM AGP stuck at 1x mode

2010-03-24 Thread Wenzhuo Zhang
** Tags added: lucid
** Tags removed: kernel-series-unknown

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[Bug 545045] Re: [lucid] X server crash

2010-03-24 Thread Wenzhuo Zhang

** Attachment added: Xorg.0.log.old after reproducing the issue
   http://launchpadlibrarian.net/41830702/Xorg.0.log.old

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[Bug 545045] Re: [lucid] X server crash

2010-03-24 Thread Wenzhuo Zhang

** Attachment added: Xorg.0.log after reproducing the issue
   http://launchpadlibrarian.net/41830816/Xorg.0.log

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[Bug 545045] Re: [lucid] X server crash

2010-03-24 Thread Wenzhuo Zhang

** Attachment added: output of `lspci -vvnn`
   http://launchpadlibrarian.net/41830863/lspci-vvnn.out

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[Bug 544954] [NEW] floppy causes high cpu iowait usage

2010-03-23 Thread Wenzhuo Zhang
Public bug reported:

Binary package hint: linux-image

I upgraded my ThinkPad X32 notebook to Lucid beta. The notebook does not
have floppy drive, but the floppy kernel module causes very high cpu
iowait usage for about 20 minutes after initial booting, while issuing
the following error messages:

[ 1123.553851] Buffer I/O error on device fd0, logical block 0
[ 1136.618649] end_request: I/O error, dev fd0, sector 0

Manually removing(rmmod) and loading(modprobe) the floppy module later
cannot reproduce the high cpu iowait usage.

High iowait usage is gone after blacklisting the floppy module.

** Affects: linux-ports-meta (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 544954] Re: floppy causes high cpu iowait usage

2010-03-23 Thread Wenzhuo Zhang

** Package changed: linux-ports-meta (Ubuntu) = linux (Ubuntu)

** Attachment added: dmesg
   http://launchpadlibrarian.net/41706984/dmesg

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[Bug 544988] [NEW] Intel 82855PM AGP stuck at 1x mode

2010-03-23 Thread Wenzhuo Zhang
Public bug reported:

I upgraded my ThinkPad X32 to Ubuntu 10.04 beta last weekend. I noticed
that the 4x AGP video adapter (ATI Technologies Inc Radeon Mobility M6
LY) is stuck at 1x mode.

$ dmesg | grep -i agp
[0.098646] ACPI: PCI Interrupt Routing Table [\_SB_.PCI0.AGP_._PRT]
[   16.687261] Linux agpgart interface v0.103
[   16.801167] agpgart-intel :00:00.0: Intel 855PM Chipset
[   16.914364] agpgart-intel :00:00.0: AGP aperture is 256M @ 0xd000
[   17.273550] agpgart-intel :00:00.0: AGP 2.0 bridge
[   17.273572] agpgart-intel :00:00.0: putting AGP V2 device into 1x mode
[   17.273609] radeon :01:00.0: putting AGP V2 device into 1x mode

and setting the AGPMode option in the Device section of
/etc/X11/xorg.conf no longer works:

$ grep -i agp /var/log/Xorg.0.log
...
(--) RADEON(0): Chipset: ATI Radeon Mobility M6 LY (AGP) (ChipID = 0x4c59)
(II) RADEON(0): AGP card detected
(WW) RADEON(0): Option AGPMode is not used

** Affects: linux (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 544988] Re: Intel 82855PM AGP stuck at 1x mode

2010-03-23 Thread Wenzhuo Zhang

** Attachment added: dmesg
   http://launchpadlibrarian.net/41708069/dmesg

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[Bug 544988] Re: Intel 82855PM AGP stuck at 1x mode

2010-03-23 Thread Wenzhuo Zhang

** Attachment added: lspci.out
   http://launchpadlibrarian.net/41707903/lspci.out

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[Bug 544988] Re: Intel 82855PM AGP stuck at 1x mode

2010-03-23 Thread Wenzhuo Zhang

** Attachment added: Xorg.0.log
   http://launchpadlibrarian.net/41708248/Xorg.0.log

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[Bug 545045] [NEW] [lucid] X server crash

2010-03-23 Thread Wenzhuo Zhang
Public bug reported:

Binary package hint: xserver-xorg

After upgrading my ThinkPad X32 to Ubuntu 10.04 beta, I often experience
X server crash when typing in the address/search bar of Firefox.

Backtrace:
0: /usr/bin/X (xorg_backtrace+0x3b) [0x80e880b]
1: /usr/bin/X (0x8048000+0x61aed) [0x80a9aed]
2: (vdso) (__kernel_rt_sigreturn+0x0) [0x4f6410]
3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x2b3000+0xb20f9) [0x3650f9]
4: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x9490) [0x1f2490]
5: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x9558) [0x1f2558]
6: /usr/bin/X (miCopyRegion+0x21b) [0x819ac9b]
7: /usr/bin/X (miDoCopy+0x44d) [0x819b1bd]
8: /usr/lib/xorg/modules/libexa.so (0x1e9000+0x7a1a) [0x1f0a1a]
9: /usr/bin/X (0x8048000+0xd9e83) [0x8121e83]
10: /usr/bin/X (0x8048000+0x28dd5) [0x8070dd5]
11: /usr/bin/X (0x8048000+0x2a457) [0x8072457]
12: /usr/bin/X (0x8048000+0x1ed3a) [0x8066d3a]
13: /lib/tls/i686/cmov/libc.so.6 (__libc_start_main+0xe6) [0x5afbd6]
14: /usr/bin/X (0x8048000+0x1e921) [0x8066921]
Segmentation fault at address (nil)

Caught signal 11 (Segmentation fault). Server aborting

** Affects: xorg (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 545045] Re: [lucid] X server crash

2010-03-23 Thread Wenzhuo Zhang

** Attachment added: :0.log.1
   http://launchpadlibrarian.net/41713732/%3A0.log.1

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[Bug 545045] Re: [lucid] X server crash

2010-03-23 Thread Wenzhuo Zhang
Attaching xorg.conf. (X server crashes too when using XAA.)

** Attachment added: xorg.conf
   http://launchpadlibrarian.net/41714182/xorg.conf

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[Bug 544988] Re: [lucid] Intel 82855PM AGP stuck at 1x mode

2010-03-23 Thread Wenzhuo Zhang
** Summary changed:

- Intel 82855PM AGP stuck at 1x mode
+ [lucid] Intel 82855PM AGP stuck at 1x mode

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[Bug 544954] Re: [lucid] floppy causes high cpu iowait usage

2010-03-23 Thread Wenzhuo Zhang
** Summary changed:

- floppy causes high cpu iowait usage
+ [lucid] floppy causes high cpu iowait usage

** Description changed:

  Binary package hint: linux-image
  
  I upgraded my ThinkPad X32 notebook to Lucid beta. The notebook does not
  have floppy drive, but the floppy kernel module causes very high cpu
  iowait usage for about 20 minutes after initial booting, while issuing
  the following error messages:
  
  [ 1123.553851] Buffer I/O error on device fd0, logical block 0
  [ 1136.618649] end_request: I/O error, dev fd0, sector 0
  
  Manually removing(rmmod) and loading(modprobe) the floppy module later
  cannot reproduce the high cpu iowait usage.
  
- High iowait usage is gone after blacklisting the floppy module.
+ The workaround is to blacklist the floppy module.

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[Bug 514742] [NEW] [058f:6254 Alcor Micro Corp. USB Hub] USB port gets stuck at suspend status after Safely Remove Device

2010-01-30 Thread Wenzhuo Zhang
Public bug reported:

Binary package hint: linux-image

OS: Ubuntu 9.10 (Karmic Koala)
Kernel: 2.6.31-17-generic

I've got a PowerSync HU-210B USB 2.0 4-Port HUB, which is based on the
Alcor USB Hub chip (058f:6254 Alcor Micro Corp. USB Hub). After
performing Safely Remove Drive on a USB flash drive connected to this
hub, the USB port no longer reacts to plug/unplug events (gets stuck at
suspend status), until the hub itself is disconnected and reconnected
to the upstream.

Since the problem is not reproducible in Windows XP, I guess it's caused
by a bug in the linux-usb subsystem.

[code]
$ sudo lsusb -v -d 058f:6254

Bus 001 Device 019: ID 058f:6254 Alcor Micro Corp. USB Hub
Device Descriptor:
  bLength18
  bDescriptorType 1
  bcdUSB   2.00
  bDeviceClass9 Hub
  bDeviceSubClass 0 Unused
  bDeviceProtocol 1 Single TT
  bMaxPacketSize064
  idVendor   0x058f Alcor Micro Corp.
  idProduct  0x6254 USB Hub
  bcdDevice1.00
  iManufacturer   0 
  iProduct1 USB2.0Hub
  iSerial 0 
  bNumConfigurations  1
  Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength   25
bNumInterfaces  1
bConfigurationValue 1
iConfiguration  0 
bmAttributes 0xe0
  Self Powered
  Remote Wakeup
MaxPower  100mA
Interface Descriptor:
  bLength 9
  bDescriptorType 4
  bInterfaceNumber0
  bAlternateSetting   0
  bNumEndpoints   1
  bInterfaceClass 9 Hub
  bInterfaceSubClass  0 Unused
  bInterfaceProtocol  0 Full speed (or root) hub
  iInterface  0 
  Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81  EP 1 IN
bmAttributes3
  Transfer TypeInterrupt
  Synch Type   None
  Usage Type   Data
wMaxPacketSize 0x0001  1x 1 bytes
bInterval  12
Hub Descriptor:
  bLength   9
  bDescriptorType  41
  nNbrPorts 4
  wHubCharacteristic 0x0080
Ganged power switching
Ganged overcurrent protection
TT think time 8 FS bits
Port indicators
  bPwrOn2PwrGood   50 * 2 milli seconds
  bHubContrCurrent100 milli Ampere
  DeviceRemovable0x00
  PortPwrCtrlMask0xff
 Hub Port Status:
   Port 1: .0507 highspeed power suspend enable connect
   Port 2: .0100 power
   Port 3: .0100 power
   Port 4: .0100 power
Device Qualifier (for other device speed):
  bLength10
  bDescriptorType 6
  bcdUSB   2.00
  bDeviceClass9 Hub
  bDeviceSubClass 0 Unused
  bDeviceProtocol 0 Full speed (or root) hub
  bMaxPacketSize064
  bNumConfigurations  1
Device Status: 0x0001
  Self Powered
[/code]

** Affects: linux-ports-meta (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 514742] Re: [058f:6254 Alcor Micro Corp. USB Hub] USB port gets stuck at suspend status after Safely Remove Device

2010-01-30 Thread Wenzhuo Zhang
** Package changed: linux-ports-meta (Ubuntu) = linux (Ubuntu)

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[Bug 363238] Re: [r100-rv200] very poor Xorg performance - XAA solves this

2009-05-16 Thread Wenzhuo Zhang
Rolf Leggewie, I just tried your suggestion by adding the following to
xorg.conf:

  Section Module
Load glx
Load dri
  EndSection

  Section DRI
Mode 0666
  EndSection

It doesn't help. Xorg log (see attachment) shows that glx and dri are
enabled by default:

(II) glx will be loaded. This was enabled by default and also specified in 
the config file.
(II) dri will be loaded. This was enabled by default and also specified in 
the config file.


** Attachment added: Xorg.0.log.old
   http://launchpadlibrarian.net/26815642/Xorg.0.log.old

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[Bug 109211] Re: feisty doesn't work with external CD writers anymore

2009-04-28 Thread Wenzhuo Zhang
** Description changed:

  Binary package hint: nautilus-cd-burner
  
  It seems that feisty doesn't work with external CD writers anymore. I
  have tried two external USB CD writers: 1. TEAC DW-224E-B 1.6A; 2.
  Samsung CD-RW/DVD Drive SM-348 + USB - IDE adapter. Those same CD
  writers work well with dapper and edgy.
  
  Steps to reproduce:
  1. Insert a blank CD-R or a CD-RW into the external cd writer.
  2. Right click on a ISO image, and then click Write to disc Click OK.
  3. A window pops up immediately, asking me to insert a blank disc. See 
attached screenshot.
  4. If I click OK, the same window will pop up again...
+ 
+ Update: If the internal (IDE) CDROM drive is not present, Hardy can
+ successfully burn CDs using external CD writers. - I find this on my
+ ThinkPad X32, which doesn't have an internal CD drive itself, but is
+ docked in a docking station with an ThinkPad Ultrabay (a swappable drive
+ slot). I can insert either a floppy drive or a CD drive into the
+ Ultrabay slot. When the floppy drive is in the Ultrabay instead of the
+ IDE CD drive, I can burn CDs using external USB CD writers in Feisty or
+ Dapper without any problems.
  
  cdrecord(wodim) commandline also fails to work with external CD writers.
  See the following command outputs.
  
  Cdrecord fails to blank a CD-RW:
  
-
  wenz...@thinkpad:~/feisty$ sudo cdrecord dev=9,0,0 blank=fast
  Device type: Removable CD-ROM
  Version: 0
  Response Format: 2
  Capabilities   : 
  Vendor_info: 'TEAC'
  Identification : 'DW-224E-B   '
  Revision   : '1.6A'
  Device seems to be: Generic mmc2 DVD-ROM.
  Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
  Driver flags   : MMC-2 SWABAUDIO BURNFREE 
  Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R
  Speed set to 4234 KB/s
  Starting to write CD/DVD at speed  24.0 in real BLANK mode for single session.
  Last chance to quit, starting real write0 seconds. Operation starts.
  
-
  It exits as soon as the blanking operation starts.
  
  
  Cdrecord fails to write to a CD-RW.
  
-
  wenz...@thinkpad:~/feisty$ sudo cdrecord dev=9,0,0 
ubuntu-7.04-desktop-i386.iso
  wodim: No write mode specified.
  wodim: Asuming -tao mode.
  wodim: Future versions of wodim may have different drive dependent defaults.
  Device type: Removable CD-ROM
  Version: 0
  Response Format: 2
  Capabilities   : 
  Vendor_info: 'TEAC'
  Identification : 'DW-224E-B   '
  Revision   : '1.6A'
  Device seems to be: Generic mmc2 DVD-ROM.
  Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
  Driver flags   : MMC-2 SWABAUDIO BURNFREE 
  Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R
  Speed set to 4234 KB/s
  Starting to write CD/DVD at speed  24.0 in real TAO mode for single session.
  Last chance to quit, starting real write0 seconds. Operation starts.
  Errno: 12 (Cannot allocate memory), write_g1 scsi sendcmd: no error
  CDB:  2A 00 00 00 00 00 00 00 1F 00
  status: 0x0 (GOOD STATUS)
  cmd finished after 0.000s timeout 40s
  write track data: error after 0 bytes
  wodim: A write error occured.
  wodim: Please properly read the error message above.
  Errno: 5 (Input/output error), close track/session scsi sendcmd: no error
  CDB:  5B 00 02 00 00 00 00 00 00 00
  status: 0x2 (CHECK CONDITION)
  Sense Bytes: 70 00 05 00 00 00 00 0A 00 00 00 00 72 04 00 00
  Sense Key: 0x5 Illegal Request, Segment 0
  Sense Code: 0x72 Qual 0x04 (empty or partially written reserved track) Fru 0x0
  Sense flags: Blk 0 (not valid) 
  cmd finished after 0.001s timeout 480s
  cmd finished after 0.001s timeout 480s
  wodim: Cannot fixate disk.
  
-
  
  
  cdrecord fails to write to a blank CD-R:
  
-
  wenz...@thinkpad:~/feisty$ sudo cdrecord dev=9,0,0 
ubuntu-7.04-desktop-i386.iso  
  Password:
  wodim: No write mode specified.
  wodim: Asuming -tao mode.
  wodim: Future versions of wodim may have different drive dependent defaults.
  Device type: Removable CD-ROM
  Version: 0
  Response Format: 2
  Capabilities   : 
  Vendor_info: 'TEAC'
  Identification : 'DW-224E-B   '
  Revision   : '1.6A'
  Device seems to be: Generic mmc2 DVD-ROM.
  Using generic SCSI-3/mmc   CD-R/CD-RW driver (mmc_cdr).
  Driver flags   : MMC-2 SWABAUDIO BURNFREE 
  Supported modes: TAO PACKET SAO SAO/R96P SAO/R96R
  Speed set to 4234 KB/s
  Starting to write CD/DVD at speed  24.0 in real TAO mode for single session.
  Last chance to quit, starting real write0 seconds. Operation starts.
  Errno: 12 (Cannot allocate memory), write_g1 scsi sendcmd: no error
  CDB:  2A 

[Bug 182858] Re: support custom directory structures

2009-04-27 Thread Wenzhuo Zhang
The import dialog (see attachment) does not provide an option to choose
the target directory. I have also read Help - Contents and f-spot
Documentation web pages, but failed to find a solution. Can you please
tell me how to choose the target directory when importing photos?

** Attachment added: Screenshot-Import.png
   http://launchpadlibrarian.net/26026281/Screenshot-Import.png

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[Bug 363238] Re: [Mobility] (r100-rv200) very poor Xorg performance - XAA solves this

2009-04-25 Thread Wenzhuo Zhang
Xorg with XAA acceleration method in Jaunty is still slower than in
Hardy. I tested two very simple benchmarks:

Open a Gnome Terminal, and run top.

1. Moving window: Move the Gnome Terminal window, and watch the CPU usage of 
the Xorg process.
2. Test scrolling: Open another Gnome Terminal, and type the following command:
   $ while : ; do dmesg; done

In both cases, Xorg consumes about 50% of CPU cycles in Jaunty, and 25%
in Hardy.

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[Bug 182858] Re: support custom directory structures

2009-04-24 Thread Wenzhuo Zhang
In Hardy or Jaunty, f-spot still does not allow importing pictures to a
custom directory. It's really a bad idea to store photos in a deeply
nested date-based directory structure. Martin Pitt, can you please port
your patch to the current version and submit it to upstream? Thanks!

** Changed in: f-spot (Ubuntu)
   Status: Fix Released = In Progress

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[Bug 109211] Re: feisty doesn't work with external CD writers anymore

2009-04-23 Thread Wenzhuo Zhang
Bryan,

Janty 2.6.28 kernel seems to have fixed the problem. I am able to burn
ISO images to CD-RW with the same hardware setup on my ThinkPad X32
(docked in a docking station with an IDE CD Drive in Ultraybay, and an
external USB CD Writer).

Wenzhuo

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[Bug 363238] Re: [Mobility] (r100-rv200) very poor Xorg performance - XAA solves this

2009-04-19 Thread Wenzhuo Zhang
Switching back to XAA acceleration on my ThinkPad X32 seems to give me
the performance as seen in Hardy.

Section Device
Identifier  Configured Video Device
Option  RenderAccel on
Option  AccelMethod XAA
Option  AGPMode 4
EndSection

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[Bug 357673] Re: No notification when sliding audio volume on X31, T60, R50e, T42

2009-04-19 Thread Wenzhuo Zhang
No more volume and LCD brightness on-screen-display on ThinkPad X32 as
well. These buttons still work as expected though.

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[Bug 363238] Re: [Mobility M6 LY] very poor Xorg performance

2009-04-17 Thread Wenzhuo Zhang

** Attachment added: lspci-vvnn.txt
   http://launchpadlibrarian.net/25693139/lspci-vvnn.txt

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[Bug 363238] Re: [Mobility M6 LY] very poor Xorg performance

2009-04-17 Thread Wenzhuo Zhang

** Attachment added: Xorg.0.log
   http://launchpadlibrarian.net/25693155/Xorg.0.log

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[Bug 363238] [NEW] [Mobility M6 LY] very poor Xorg performance

2009-04-17 Thread Wenzhuo Zhang
Public bug reported:

Binary package hint: xserver-xorg-video-radeon

Just installed Jaunty RC on my ThinkPad X32. I am experiencing very poor
Xorg performance. The Xorg process consumes about 25% CPU even when
there is no user activity. If there is any screen activity, say moving
the Gnome-terminal window, its CPU usage instantly climbs to 80% or
more.

** Affects: xserver-xorg-video-ati (Ubuntu)
 Importance: Undecided
 Status: New

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[Bug 363238] Re: [Mobility M6 LY] very poor Xorg performance

2009-04-17 Thread Wenzhuo Zhang

** Attachment added: Xorg.0.log.old
   http://launchpadlibrarian.net/25693168/Xorg.0.log.old

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[Bug 363238] Re: [Mobility M6 LY] very poor Xorg performance

2009-04-17 Thread Wenzhuo Zhang

** Attachment added: xorg.conf
   http://launchpadlibrarian.net/25693196/xorg.conf

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[Bug 318144] Re: [Mobility M6 LY] Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-02-20 Thread Wenzhuo Zhang
The latest version (1:6.11.0-1ubuntu1) of xserver-xorg-video-ati doesn't
fix it.

1) Boot up Jaunty (20090204) Desktop CD in safe graphics mode.

2) sudo apt-get update  sudo apt-get install xserver-xorg-video-ati,
which installs xserver-xorg-video-ati-1:6.11.0-1ubuntu1.

3) Change 'Driver vesa' to 'Driver ati' in /etc/X11/xorg.conf.

4) Logout Gnome.

5) Now problem reproduced.

6) Insert a USB flash drive.

7) Press Ctrl-Alt-F1 to switch to the virtual console, and screen locks
up with garbages.

8) Blind-type to copy the needed files.

** Attachment added: Xorg.0.log
   http://launchpadlibrarian.net/22933811/Xorg.0.log

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[Bug 318144] Re: Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-02-11 Thread Wenzhuo Zhang
Because I had to blind-type, I put the following script in my flash
drive beforehand and ran it after booting CD and switching to a virtual
console.

lspci -vvnn  /tmp/lspci-vvnn.txt
tar zcvf /media/KINGSTON/j.tar.gz /tmp/lspci-vvnn.txt /var/log/Xorg.0.log* 
/etc/X11/xorg.conf /var/log/gdm

Please untar j.tar.gz for the above files.


** Attachment added: j.tar.gz
   http://launchpadlibrarian.net/22541452/j.tar.gz

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[Bug 318144] Re: Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-01-22 Thread Wenzhuo Zhang
I managed to copy /var/log/Xorg.0.log to a USB flash drive by blind-
typing on the virtual console, since the screen locks up at a garbled
GDM login screen after Ctrl-Alt-F1 is pressed.

** Attachment added: Xorg.0.log
   http://launchpadlibrarian.net/21548743/Xorg.0.log

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[Bug 318144] [NEW] Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-01-17 Thread Wenzhuo Zhang
Public bug reported:

The freshly released Jaunty Alpha 3 Desktop CD fails to login Gnome on
my ThinkPad X32. The GDM login screen can show up with User ubuntu will
login in 10 seconds count-down. But the login process fails and falls
back to the GDM login screen. After pressing Alt-F1 to switch to the
virtual console, the screen locks up with garbages (colored bars) on the
top and the bottom of the screen.

Steps to reproduce:
1. Boot up Jaunty Alpha 3 Desktop CD i386 on ThinkPad X32.
2. Select Try Ubuntu without any change to your computer.
3. GDM login screen shows up with the User ubuntu will login in 10 seconds 
count-down.
4. Login process fails and falls back to the initial GDM login screen.

** Affects: ubuntu
 Importance: Undecided
 Status: New

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[Bug 318144] Re: Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-01-17 Thread Wenzhuo Zhang

** Attachment added: Result of command sudo lspci  lspci.txt in hardy
   http://launchpadlibrarian.net/21285492/lspci.txt

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[Bug 317503] Re: [jaunty alpha 2] umenu.exe Invalid CD detected

2009-01-17 Thread Wenzhuo Zhang
Jaunty Alpha 3 (Desktop CD i386) still has this bug.

** Attachment added: jaunty-alpha3-invalidCD.PNG
   http://launchpadlibrarian.net/21285632/jaunty-alpha3-invalidCD.PNG

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[Bug 317503] Re: [jaunty alpha 2] umenu.exe Invalid CD detected

2009-01-17 Thread Wenzhuo Zhang
** Also affects: umenu
   Importance: Undecided
   Status: New

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[Bug 317503] Re: [jaunty alpha 2] umenu.exe Invalid CD detected

2009-01-17 Thread Wenzhuo Zhang
** Changed in: umenu
 Assignee: (unassigned) = Ubuntu Installer Team (ubuntu-installer)

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[Bug 317503] Re: [jaunty alpha 2] umenu.exe Invalid CD detected

2009-01-17 Thread Wenzhuo Zhang
Sorry about it. I had no idea about the size of the ubuntu-installer
team. I thought about subscribing umenu's maintainer ago only, but too
many search results popped up.

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[Bug 317503] Re: [jaunty alpha 2] umenu.exe Invalid CD detected

2009-01-17 Thread Wenzhuo Zhang
subscribing - assigning. Obviously, I didn't really understand the
difference between subscribing and assigning someone to a bug report.

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[Bug 318144] Re: Jaunty Alpha 3 Desktop CD fails to login Gnome

2009-01-17 Thread Wenzhuo Zhang
It boots in Safe Graphics mode fine.

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[Bug 109211] Re: feisty doesn't work with external CD writers anymore

2008-08-28 Thread Wenzhuo Zhang
I just installed linux-image-2.6.27-1 in Hardy. Unfortunately, the issue
remains:  If there is an IDE CD drive plugged in, the external USB Combo
drive cannot write.

$ uname -a
Linux thinkpad 2.6.27-1-generic #1 SMP Sat Aug 23 23:20:09 UTC 2008 i686 
GNU/Linux

I will try 2.6.26 later.

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[Bug 109211] Re: feisty doesn't work with external CD writers anymore

2008-08-28 Thread Wenzhuo Zhang
No luck with 2.6.26-5 either.

$ uname -a
Linux thinkpad 2.6.26-5-generic #1 SMP Fri Aug 15 13:54:58 UTC 2008 i686 
GNU/Linux

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