Re: [PATCH 4/5] readahead: backoff on I/O error

[Just Marc <marc@corky.net>]

Hi,

> Well, it looks like I'm the only one in this world who's drive was
> fired this way... ;)  Note it's a combination of two issues: it's
> definitely a buggy firmware (or hardware) - it should not fire,
> no matter how you're hitting it from software - and the readahead+
> EIO logic.  So.. well, I don't want to try another drive really,
> but it *seems* like it will eventually "recover".  Not that it's
> possible still to watch a DVD with a single scratch (one unreadable
> block) anyway with current code (it will freeze and freeze and freeze
> again and again), but well, it's not really THAT critical.  My drive
> is already dead, nothing worse can happen to it anyway ;)

I'm pretty sure you're not the only one, I have had my CD/DVD drive *obsessively*
try to read from a bad CD/DVD (or just a badly scrached area on the disc),
bringing the system to an unusable state and not even stopping in reasonable time
(minutes, at least), I was forced to power cycle the laptop in all of these cases.

Marc

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