Re: Problem: USB phone not detected after disconnect/reconnect

[Lee Revell]

[added alsa-devel and linux-usb-devel to cc]

I have seen similar bug reports from other users.  This one seems to
affect the USB storage and USB audio devices, is it a bug in the host
controller?

On Tue, 2006-01-03 at 13:37 -0800, Rob Dyck wrote:
> When USB phone is disconnected and then reconnected the system sometimes does 
> not detect it. Another device such as storage is not detected either. I am 
> not positive but the problem seems to occur if the USB phone was connected 
> during the boot. I do not know if it is relevant but I use APM not ACPI.
> 
> Some information I have gathered.
> This is the device
> usb 3-1: new device strings: Mfr=1, Product=2, SerialNumber=4
> usb 3-1: Product: USB Phone
> usb 3-1: Manufacturer: BeyondTel
> usb 3-1: SerialNumber: 0001
> 
> Good disconnect. Four interfaces unregistered.
> 
> usb 3-1: USB disconnect, address 7
> usb 3-1: usb_disable_device nuking all URBs
> usb 3-1: unregistering interface 3-1:1.0
> usb 3-1:1.0: hotplug
> usb 3-1: unregistering interface 3-1:1.1
> usb 3-1:1.1: hotplug
> usb 3-1: unregistering interface 3-1:1.2
> usb 3-1:1.2: hotplug
> usb 3-1: unregistering interface 3-1:1.3
> drivers/usb/core/file.c: removing 96 minor
> usb 3-1:1.3: hotplug
> usb 3-1: unregistering device
> usb 3-1: hotplug
> hub 3-0:1.0: debounce: port 1: total 100ms stable 100ms status 0x100
> uhci_hcd 0000:00:10.1: suspend_rh (auto-stop)
> 
> Bad disconnect. interfaces 1.1 1.2 and 1.3 not unregistered
> 
> usb 3-1: USB disconnect, address 2
> usb 3-1: usb_disable_device nuking all URBs
> usb 3-1: unregistering interface 3-1:1.0
> uhci_hcd 0000:00:10.1: suspend_rh (auto-stop)
> 
> Also /var/log/hotplug/events shows that the OSS audio devices were removed on 
> disconnect but the ALSA devices were not. The problem is not specific to 
> 2.6.15 however I do not know when it started. Perhaps it has always been a 
> problem in USB.
> 
> Linux fatboy.mylan 2.6.15 #1 PREEMPT Tue Jan 3 11:49:30 PST 2006 i686 athlon 
> i386 GNU/Linux
> 
> Gnu C                  3.4.2
> Gnu make               3.80
> binutils               2.15.92.0.2
> util-linux             2.12a
> mount                  2.12a
> module-init-tools      3.1-pre5
> e2fsprogs              1.35
> reiserfsprogs          line
> reiser4progs           line
> pcmcia-cs              3.2.7
> quota-tools            3.12.
> PPP                    2.4.2
> isdn4k-utils           3.3
> nfs-utils              1.0.6
> Linux C Library        2.3.3
> Dynamic linker (ldd)   2.3.3
> Procps                 3.2.3
> Net-tools              1.60
> Kbd                    1.12
> Sh-utils               5.2.1
> udev                   075
> Modules Loaded         parport_pc lp parport autofs4 nfs lockd sunrpc 
> af_packet usbhid uhci_hcd ehci_hcd snd_via82xx snd_ac97_codec snd_ac97_bus 
> snd_mpu401_uart snd_usb_audio snd_pcm_oss snd_mixer_oss snd_pcm snd_timer 
> snd_page_alloc snd_usb_lib snd_rawmidi snd_hwdep snd soundcore
> 
> Keywords - USB, hotplug
> 
> Output of lspci
> 00:00.0 Host bridge: VIA Technologies, Inc. VT8377 [KT400/KT600 AGP] Host 
> Bridge
> 00:01.0 PCI bridge: VIA Technologies, Inc. VT8235 PCI Bridge
> 00:10.0 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
> Controller (rev 80)
> 00:10.1 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
> Controller (rev 80)
> 00:10.2 USB Controller: VIA Technologies, Inc. VT82xxxxx UHCI USB 1.1 
> Controller (rev 80)
> 00:10.3 USB Controller: VIA Technologies, Inc. USB 2.0 (rev 82)
> 00:11.0 ISA bridge: VIA Technologies, Inc. VT8235 ISA Bridge
> 00:11.1 IDE interface: VIA Technologies, Inc. 
> VT82C586A/B/VT82C686/A/B/VT823x/A/C PIPC Bus Master IDE (rev 06)
> 00:11.5 Multimedia audio controller: VIA Technologies, Inc. VT8233/A/8235/8237 
> AC97 Audio Controller (rev 50)
> 00:12.0 Ethernet controller: VIA Technologies, Inc. VT6102 [Rhine-II] (rev 74)
> 01:00.0 VGA compatible controller: nVidia Corporation NV5M64 [RIVA TNT2 Model 
> 64/Model 64 Pro] (rev 15)
> 
> lsusb just hangs.
> 
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