Re: 32GB SSD on USB1.1 P3/700 == ___HELL___ (2.6.34-rc3)

From: Gábor Lénárt
Date: Sun Apr 04 2010 - 19:42:18 EST

On Mon, Apr 05, 2010 at 12:13:49AM +0200, Andreas Mohr wrote:
> I was just running
> mkfs.ext4 -b 4096 -E stride=128 -E stripe-width=128 -O ^has_journal
> /dev/sdb2
> on my SSD18M connected via USB1.1, and the result was, well,
> absolutely, positively _DEVASTATING_.
> The entire system became _FULLY_ unresponsive, not even switching back
> down to tty1 via Ctrl-Alt-F1 worked (took 20 seconds for even this key
> to be respected).

It seems it's a major issue with recent kernels, at least I have the same
with >2.6.30 ones, mainly with pendrives on USB port, even if I only
download from the net directly to the pendrive, it seems no I/O can be
served towards the hdd either in a reasonable speed and a responsive way,
window manager took 10 mins to draw window borders and so on ...
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