USB errors with 2.6.16.5 kernel and iPod
On Sun, 30 Apr 2006 08:30:58 +1000, Brad staggered into the Black Sun and said:
Hm. You said you were using uhci-hcd, which has a max speed of 12 Mbit-s and a real-world speed of ~800K-s according to my tests with USB 1 keychain drives. That's ~11 minutes to copy 500M. Are you sure this wasn't using ehci-hcd?
Aye. No idea why it's happening though. It might help to rmmod uhcihcd and modprobe it with debug=2 (or 3) and see what you get in the logs. That's the only MODULEPARM that uhcihcd takes, so no, there's no way to make it go slower.
andy baxter Ya, 'capture' is at 100%. Thanks for your time, anyway. Here's amixer, just in case. I see many 'capture' off statements, but not sure they apply. Simple mixer...
On Fri, 16 Jun 2006 01:09:10 -0700, Canopus I show one method for making a "snapshot" backup of a known set of files below. The general idea for backing up incrementally: 1. List files within...
No idea what that means. It might be "initiator error" combined with other unknown statuses. It also might be the digestive system of a badger for all I know; IANAKernelHacker.
Hm. Maybe mount it with "sync"? That slows things down. Also, if 2.6.16.5 is indeed the latest kernel, it may have bugs that earlier versions didn't have. The 2.6.15.6 kernel works fine with my iPod mini (though I have it connected via USB2, not USB1, natch.)
I think you may have found a kernel bug somewhere. I don't know how you'd go about tracking it down other than turning on all the verbose debugging options you can find, and possibly sprinkling printk()s in places where you suspect trouble and recompiling those modules.
Not in uhcihcd. Maybe mounting it with sync will help, maybe there's some brain damage in this version's uhcihcd. HTH anyway,
-- Matt GThere is no Darkness in Eternity-But only Light too dim for us to see Brainbench MVP for Linux Admin mail: TRAP + SPAN don't belong ----------------------------- penguins, is Tux." --MegaHAL
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