[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices

[Peter Hoeg]

Bad news people.

The linux-image-2.6.27-11-generic packages from -proposed do not fix it
for me - with max_sectors set to 128, it doesn't happen as frequently as
with max_sectors = 240, but there is no difference between kernels -11
and -9 for me.

Bear in mind, that my chipset is nVidia MCP73 and thus not covered by
the AMD SB600/700 workaround (I'm assuming).

I was getting the error about ohci loading first, so I forced ehci_hcd
to load first by editing /etc/initramfs-tools/modules, but it still
doesn't fix it.

So to sum it up, using the -11 kernel from proposed, max_sectors = 128
and ehci_hcd loading before ohci_hcd and this is what I get:

peter at dolores:~$ dmesg | grep reset
[   10.052941] usb 1-6.1: reset low speed USB device using ehci_hcd and address 9
[  937.341197] usb 1-6.2: reset high speed USB device using ehci_hcd and address 10
[ 2341.333491] usb 1-6.2: reset high speed USB device using ehci_hcd and address 10
[ 2957.343520] usb 1-6.2: reset high speed USB device using ehci_hcd and address 10

Any others hints as to what to try out?

-- 
ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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