Date: Fri, 11 Apr 2014 16:38:14 +0200 From: Hans Petter Selasky <hps@selasky.org> To: Daniel O'Connor <doconnor@gsoft.com.au> Cc: freebsd-usb@freebsd.org Subject: Re: USB 3 devices not reliably connecting at 5Gbps Message-ID: <5347FE56.7040904@selasky.org> In-Reply-To: <E8E3C4AB-DA87-4E0E-8B3C-5461EBCE4FB1@gsoft.com.au> References: <A9616810-7BD9-49FC-BFA7-44206E4CCAC1@gsoft.com.au> <53478D5B.3090205@selasky.org> <ACC91511-A630-4262-AFE4-441AA154E405@gsoft.com.au> <5347BF39.2000704@selasky.org> <ACC54FEC-2265-4861-9B2F-EEE6EDFC7857@gsoft.com.au> <5347F8A7.1020206@selasky.org> <E8E3C4AB-DA87-4E0E-8B3C-5461EBCE4FB1@gsoft.com.au>
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On 04/11/14 16:29, Daniel O'Connor wrote: > > On 11 Apr 2014, at 23:43, Hans Petter Selasky <hps@selasky.org> wrote: >> Try this patch. I'm pretty sure you can get +256 >> MByte/second using LibUSB too. >> >> http://svnweb.freebsd.org/changeset/base/264344 > > Unfortunately it doesn't seem to have a no impact on performance - I still get 187MB/sec. > > -- > Daniel O'Connor software and network engineer > for Genesis Software - http://www.gsoft.com.au > "The nice thing about standards is that there > are so many of them to choose from." > -- Andrew Tanenbaum > GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C > > > Hi, Can you check using ldd, that it is using the libusb you installed? Also check using "usbdump" what size the kernel is submitting when you are using libusb. Thank you! --HPS
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