From: David Chirgwin <dchirgwin@bluechiptechnology.co.uk>
To: lianjf@ava.com.cn
Cc: meta-freescale <meta-freescale@yoctoproject.org>
Subject: Re: about usb
Date: Fri, 25 Jul 2014 09:50:50 +0100 (BST) [thread overview]
Message-ID: <1386319205.1186227.1406278250840.JavaMail.root@bluechiptechnology.co.uk> (raw)
In-Reply-To: <2014072516425365695729@ava.com.cn>
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I have seen something like this occasionally - it's usually a problem with the board's USB hardware. Do you have another board you can try?
Regards,
Dave C
----- Original Message -----
> From: lianjf@ava.com.cn
> To: "meta-freescale" <meta-freescale@yoctoproject.org>
> Sent: Friday, 25 July, 2014 9:42:54 AM
> Subject: [meta-freescale] about usb
> Hi all
> Have anyone come across the problem like that,once the kernel boots
> it print:
> usb 2-1: new low speed USB device number 3 using fsl-ehci usb 2-1:
> device not accepting address 3, error -71
> +++ hub_port_connect_change:udev->level :1
> usb 2-1: new low speed USB device number 4 using fsl-ehci
> usb 2-1: device descriptor read/64, error -71
> usb 2-1: device descriptor read/64, error -71
> +++ hub_port_connect_change:udev->level :1
> usb 2-1: new low speed USB device number 5 using fsl-ehci
> usb 2-1: device descriptor read/64, error -71
> It seems the usb cant register to the kernel.
> Any help woule be preciated,thanks.
> Best Regards
> ------------------
> Lian jianfei
> 5F, No.15, Ke Hui 2nd Street, Ke Hui Development Centre Science
> Avenue, Science City, Luo Gang District Guangzhou, China 510663
> TEL: 15989094327
> Email: lianjf@ava.com.cn
> --
> _______________________________________________
> meta-freescale mailing list
> meta-freescale@yoctoproject.org
> https://lists.yoctoproject.org/listinfo/meta-freescale
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next prev parent reply other threads:[~2014-07-25 8:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-25 8:42 about usb lianjf
2014-07-25 8:50 ` David Chirgwin [this message]
2014-07-25 8:52 ` zhenhua.luo
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