USB hangs

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On Mon 12 Jan, Oliver Neukum wrote:

[...]

[email protected], 2004-01-12 00:26:13+01:00, [email protected] - avoid GFP_KERNEL in block IO path

[...]

Oliver, Alan, et. al.

I applied Oliver & Alan Cox's patches to the 2.4.24 kernel, and am still seeing hangs when copying large amounts of data over USB on IBM systems containing two EHCI controllers (Intel 82801EB).

I see similar errors to the ones Lucas Postupa had in the kernel logs :

Buffer I/O error on device sda1, logical block 134522 lost page write due to I/O error on sda1

Unloading the EHCI driver, and reverting to 1.1 speeds, does not solve the issue.

- -Martin

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