well, this does not work in Maveric with /Ubuntu 2.6.35-25.44-generic
2.6.35.10/ either
- the "Unable to write latency timer: -32" error from dmesg is gone now, but
the port seem to hang after a few commands are send through successfully and
only a reboot brings it back to life - though again just for a few commands.
root@area73:~# cat /proc/version_signature
Ubuntu 2.6.35-25.44-generic 2.6.35.10
root@area73:~# dmesg|tail
[ 5.614172] type=1400 audit(1296350133.003:9): apparmor="STATUS"
operation="profile_load" name="/usr/lib/cups/backend/cups-pdf" pid=852
comm="apparmor_parser"
[ 5.615221] type=1400 audit(1296350133.003:10): apparmor="STATUS"
operation="profile_load" name="/usr/sbin/cupsd" pid=852 comm="apparmor_parser"
[ 5.701769] input: HDA Intel Mic at Ext Front Jack as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input5
[ 5.702070] input: HDA Intel HP Out at Ext Front Jack as
/devices/pci0000:00/0000:00:1b.0/sound/card0/input6
[ 5.842302] ppdev: user-space parallel port driver
[ 6.854876] jme 0000:02:00.5: eth0: Link is up at ANed: 100 Mbps,
Full-Duplex, MDI.
[ 6.855765] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 7.625367] EXT4-fs (sda1): re-mounted. Opts:
errors=remount-ro,usrjquota=aquota.user,jqfmt=vfsv0,commit=0
[ 7.749133] ===>rtllib_wx_set_power(): power disable
[ 17.824088] eth0: no IPv6 routers present
root@area73:~# lsusb
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 002: ID 0403:e0e8 Future Technology Devices International, Ltd
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 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
root@area73:~# lsusb -d 0403:e0e8 -v
Bus 004 Device 002: ID 0403:e0e8 Future Technology Devices International, Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x0403 Future Technology Devices International, Ltd
idProduct 0xe0e8
bcdDevice 2.00
iManufacturer 1 ELV AG
iProduct 2 ELV FHZ 1300 PC
iSerial 3 EL64JQYI
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 44mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 2 ELV FHZ 1300 PC
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Device Status: 0x0000
(Bus Powered)
root@area73:~#
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https://bugs.launchpad.net/bugs/690798
Title:
arduino USB serial device breaks on lucid kernel upgrade
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