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indietrash
Guru
Joined: 17 Sep 2008
Posts: 353
Location: Norway
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 Posted: Sat Apr 27, 2013 3:44 pm Post subject: writing to external devices via USB kills my system |
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whenever I cp to external devices (seemingly regardless of device, fs, etc) my system comes to a grinding halt. at its worst, I can maybe move the mouse around with a 1min lag.
here's a messages excerpt from backing up some stuff a few minutes ago: http://pastebin.com/0yGyW4fF |
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eccerr0r
Watchman
Joined: 01 Jul 2004
Posts: 9883
Location: almost Mile High in the USA
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| Posted: Mon Apr 29, 2013 9:15 pm Post subject: |
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network/nfs too?
Usually when I see this happening it's because it ended up going back to PIO/polling and this really kills the computer... but I don't know how this tidbit fits into your situation yet... Does it work fine with something other than Gentoo?
Is there an interrupt assigned to USB? Are you using the usb_storage? (IIRC at some point there was a simple USB media driver but I don't remember what it was anymore, or if it even existed...)
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indietrash
Guru
Joined: 17 Sep 2008
Posts: 353
Location: Norway
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| Posted: Tue Apr 30, 2013 8:01 am Post subject: |
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| eccerr0r wrote: | | network/nfs too? |
rsync SSH and SSHFS work fine
| eccerr0r wrote: | | Does it work fine with something other than Gentoo? |
there is no system but Gentoo, and GNU is one of its userlands, and Linux is one of its kernels.
| eccerr0r wrote: | | Is there an interrupt assigned to USB? |
I haven't done anything to affect default behaviour for this.
| eccerr0r wrote: | | Are you using the usb_storage? |
usb_storage=m. |
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aCOSwt
Bodhisattva
Joined: 19 Oct 2007
Posts: 2537
Location: Hilbert space
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| Posted: Tue Apr 30, 2013 8:45 am Post subject: Re: writing to external devices via USB kills my system |
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| indietrash wrote: | | new high-speed USB device number 37 using xhci_hcd |
xhci_hcd ? Pfiew! There are indeed a couple of problems reported with this.
What happens with good-old usb2 devices ? Well, I mean something ehci_hcd would be happy with ?
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eccerr0r
Watchman
Joined: 01 Jul 2004
Posts: 9883
Location: almost Mile High in the USA
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| Posted: Tue Apr 30, 2013 1:20 pm Post subject: |
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I have exactly one USB3 device, and oddly enough it seemed to work. But it doesn't mean every setup would work...
What specific usb3 hardware is it, perhaps someone knows of something about the particular controller?
Also noted in your dumps which seems unrelated but perhaps a side effect of the immense load usb3 puts on the system is your wifi driver having problems. But just to make sure, what happens if your wifi is off?
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