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jsosic
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Location: Split (Croatia)

PostPosted: Sun Jun 05, 2005 9:38 am    Post subject: hald, dbus problems with usb devices Reply with quote

This kind of automounting works ok with CD devices, but I have slight problems with usb camera. Every time I connect Sony DSC camera again, it seems that I loose one letter. First connection it was /dev/sda, second /dev/sdb, third /dev/sdc, etc etc. Here are parts of /var/log/messages:

Code:
Jun  5 00:31:38 alphacentauri usb 3-4: new high speed USB device using ehci_hcd and address 11
Jun  5 00:31:38 alphacentauri scsi7 : SCSI emulation for USB Mass Storage devices
Jun  5 00:31:38 alphacentauri usb-storage: device found at 11
Jun  5 00:31:38 alphacentauri usb-storage: waiting for device to settle before scanning
Jun  5 00:31:43 alphacentauri Vendor: Sony      Model: Sony DSC  Rev: 4.50
Jun  5 00:31:43 alphacentauri Type:   Direct-Access  ANSI SCSI revision: 00
Jun  5 00:31:43 alphacentauri SCSI device sdg: 63424 512-byte hdwr sectors (32 MB)
Jun  5 00:31:43 alphacentauri sdg: assuming Write Enabled
Jun  5 00:31:43 alphacentauri sdg: assuming drive cache: write through
Jun  5 00:31:43 alphacentauri SCSI device sdg: 63424 512-byte hdwr sectors (32 MB)
Jun  5 00:31:43 alphacentauri sdg: assuming Write Enabled
Jun  5 00:31:43 alphacentauri sdg: assuming drive cache: write through
Jun  5 00:31:43 alphacentauri sdg: sdg1
Jun  5 00:31:43 alphacentauri Attached scsi removable disk sdg at scsi7, channel 0, id 0, lun 0
Jun  5 00:31:43 alphacentauri usb-storage: device scan complete
Jun  5 00:31:43 alphacentauri scsi.agent[4738]: disk at /devices/pci0000:00/0000:00:02.2/usb3/3-4/3-4:1.0/host7/target7:0:0/7:0:0:0
Jun  5 00:31:44 alphacentauri fstab-sync[4752]: added mount point /media/usbdisk for /dev/sdg1
Jun  5 00:33:13 alphacentauri usb 3-4: USB disconnect, address 11
Jun  5 00:33:13 alphacentauri fstab-sync[4812]: removed mount point /media/usbdisk for /dev/sdg1


As you see, device is recognized as adress 11, as /dev/sdg. Look at part of log for the next connection:

Code:
Jun  5 00:33:18 alphacentauri usb 3-4: new high speed USB device using ehci_hcd and address 12
Jun  5 00:33:18 alphacentauri scsi8 : SCSI emulation for USB Mass Storage devices
Jun  5 00:33:18 alphacentauri usb-storage: device found at 12
.....


Device is now at adress 12, and is recognizes as /dev/sdh. If I turn dbus, hald and ivman off, every connection camera is recognized as /dev/sda. Why is this happening?
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jsosic
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Joined: 02 Aug 2004
Posts: 510
Location: Split (Croatia)

PostPosted: Sun Jun 05, 2005 10:33 pm    Post subject: Reply with quote

OK, I've added ivman, dbus and hald in testing (~x86). Now everything works perfectly. Problem was due to bug in ivman. Strange, sometimes testing branch is more stable than - stable :)
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