-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/25/2012 04:28 AM, Todd And Margo Chester wrote: > On 06/24/2012 06:56 AM, Nico Kadel-Garcia wrote: >> On Sun, Jun 24, 2012 at 1:03 AM, Todd And Margo Chester >> <[log in to unmask]> wrote: >>> Hi All, >>> >>> SL 6.2 64 bit >>> >>> Has anyone noticed that their USB 2.0 ports are really, really >>> slow? >>> >>> If I need to copy anything substantial to my USB 2 sticks, I >>> boot into Fedora Live 17 Xfce 64 bit CD. Then it goes about 20 >>> times faster than under SL 6.2. >>> >>> Anyone have a work around? >>> >>> Many thanks, -T >> >> It might help if you mentioned what USB hardware, exactly, you >> are using, and what you're doing on it. Flash drives? External >> Storage? Do you re-arrange your attached devices when you boot to >> Fedora 7? >> > > The stick usually is a Kanguru Flash Blue II (20 MB/s write, 24 > MB/s read). But sometimes it is a Verbatim (same speed as the > Flash Blue). > I've experienced this on older Fedora releases as well as openSUSE; it's only been recently fixed in upstream kernels (since 3.3) and the fix probably hasn't been backported to the RHEL kernels yet (it's probably not a priority for enterprise Linux use cases) http://kernelnewbies.org/Linux_3.3#head-f78554ef663de0fc4d2a82a79bb1fa76e20843dc "Compaction combined with Transparent Huge Pages can cause significant stalls with USB sticks or browser" Best regards, - -- Michel Alexandre Salim Fedora Project Contributor: http://fedoraproject.org/ Email: [log in to unmask] | GPG key ID: A36A937A Jabber: [log in to unmask] | IRC: [log in to unmask] () ascii ribbon campaign - against html e-mail /\ www.asciiribbon.org - against proprietary attachments -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iQEcBAEBAgAGBQJP6DrUAAoJEEr1VKujapN69S8IAITaNjdmHTnaE2LXcK/9RWmB q7RmDJVPmU0oRUog6Q1ENum+ug/HlBSFg2EIC3Rm7HB3oI88Ib2uGTgQYOMOIe+q 3ZOOl60vDjZAkHcI0FrESYhcq+WQerxlvzKyPpfBBy4mmHWSdxpOsjV7nUfXgK60 Trp4GsMqgGu+hCLGUhl+SCbZK3K/zqNpqL83zcQn0bjTF1aHWdpaweMteOM0FgtQ 0+51u5DwHy1GEkFmfAdn5y31Ym3bxc5nvXMKhblDDg6QDWwVN+acu3KINRE/ZPhY FaaQWt6PZIuvokTikCJDE0AYYQ/5PNbxeaM4fJJPdVAyBbGOBxHyj1RjYUdogHA= =FXfs -----END PGP SIGNATURE-----