D-Link DBT-120

I have this dongle and after upgrading kernel 2.6.4-rc1-mm1 when I remove the dongle my laptop freezes.

This dongle has worked well before.

I can supply more information if necessary.

Thanks,

Gene

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Hi Gene,

the DBT-120 exists as Broadcom and as CSR version. What version do you have (hciconfig -a)? Is BT_HCIUSB_SCO enabled in your kernel config? If yes, disable it. What USB host controller driver do you use?

Regards

Marcel

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Disregard my previous post. 2.6.4-rc1-mm2 has fixed this problem.

Thanks,

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Hi Gene,

I had now the same problem with 2.6.4-rc2. Please try to find the patch from 2.6.4-rc1-mm2 that fixes your problem, because this needs to be send to Linus before he releases 2.6.4 (final).

Regards

Marcel

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Hi Gene,

what kind of USB host controller driver do you use? What do lspci say?

Regards

Marcel

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Hope this helps.

#
# USB Host Controller Drivers
#
CONFIG_USB_EHCI_HCD=y
# CONFIG_USB_EHCI_SPLIT_ISO is not set
# CONFIG_USB_OHCI_HCD is not set
CONFIG_USB_UHCI_HCD=y

root@tr1a:/usr/src# lspci
0000:00:00.0 Host bridge: Intel Corp. 82852/855GM Host Bridge (rev 02)
0000:00:00.1 System peripheral: Intel Corp.: Unknown device 3584 (rev
02)
0000:00:00.3 System peripheral: Intel Corp.: Unknown device 3585 (rev
02)
0000:00:02.0 VGA compatible controller: Intel Corp. 82852/855GM
Integrated Graphics Device (rev 02)
0000:00:02.1 Display controller: Intel Corp. 82852/855GM Integrated
Graphics Device (rev 02)
0000:00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 03)
0000:00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 03)
0000:00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 03)
0000:00:1d.7 USB Controller: Intel Corp. 82801DB USB2 (rev 03)
0000:00:1e.0 PCI bridge: Intel Corp. 82801BAM/CAM PCI Bridge (rev 83)
0000:00:1f.0 ISA bridge: Intel Corp. 82801DBM LPC Interface Controller
(rev 03)
0000:00:1f.1 IDE interface: Intel Corp. 82801DBM Ultra ATA Storage
Controller (rev 03)
0000:00:1f.3 SMBus: Intel Corp. 82801DB/DBM SMBus Controller (rev 03)
0000:00:1f.5 Multimedia audio controller: Intel Corp. 82801DB AC'97
Audio Controller (rev 03)
0000:00:1f.6 Modem: Intel Corp. 82801DB AC'97 Modem Controller (rev 03)
0000:02:05.0 CardBus bridge: Ricoh Co Ltd RL5c475 (rev b8)
0000:02:05.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C551 IEEE 1394
Controller
0000:02:08.0 Ethernet controller: Intel Corp. 82801BD PRO/100 VE (MOB)
Ethernet Controller (rev 83)
0000:02:0b.0 Network controller: Intel Corp. PRO/Wireless LAN 2100 3B
Mini PCI Adapter (rev 04)

Gene

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Hi Gene,

Alan Stern is working on a better UHCI support that could explain it and there was a unlink-while-submit patch for the OHCI driver I use. Please check the latest 2.6.4-bk kernel and if it you still have a problem on unplug post it to the USB mailing list, so some of the patches from the -mm branch are forwarded for inclusion.

Regards

Marcel

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