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Date:      Fri, 22 Sep 2006 12:10:58 +0200
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        freebsd-usb@freebsd.org
Subject:   Re: Odd usb hub issue
Message-ID:  <200609221210.59301.hselasky@c2i.net>
In-Reply-To: <20060921.145657.1152753773.imp@bsdimp.com>
References:  <20060921.145657.1152753773.imp@bsdimp.com>

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On Thursday 21 September 2006 22:56, M. Warner Losh wrote:
> I have a dell server that I'm having usb problems with.  I have usb
> enabled in the BIOS, but none of the usb ports appears to work.  In
> dmesg, I see:
>
> CPU: Intel(R) Pentium(R) D CPU 3.00GHz (3000.12-MHz K8-class CPU)
>   Origin = "GenuineIntel"  Id = 0xf47  Stepping = 7
>  
> Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MC
>A,C MOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>   Features2=0x649d<SSE3,RSVD2,MON,DS_CPL,EST,CNTX-ID,CX16,XTPR>
>   AMD Features=0x20100800<SYSCALL,NX,LM>
>   AMD Features2=0x1<LAHF>
>   Cores per package: 2
> usable memory  = 4282433536 (4084 MB)
> avail memory = 4137197568 (3945 MB)
> ACPI APIC Table: <DELL   PE850   >
> ...
> uhci0: <UHCI (generic) USB controller> port 0xbce0:0x20 irq 20 at device
> 29.0 on pci0 uhci0: [GIANT-LOCKED]
> usb0: <UHCI (generic) USB controller> on uhci0
> usb0: USB revision 1.0
> uhub0: <Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1> on usb0
> device_attach: uhub0 attach returned 6
> usb0: port 0, set config at addr 1 failed
> usb0: root hub problem, error=4
> ....
>
> with the same messages repeated for each uhub for each uchi that I
> have.
>
> Ideas?

In /sys/dev/uhub.c you might want to change:

int     uhubdebug = 0;

Into:

int     uhubdebug = 15;

Then see what errors show up.

Do you get the same error with the latest version of the new USB stack ?

--HPS



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