Messages in this thread |  | | | Date | Thu, 2 Sep 2004 01:14:34 +0200 | | From | Rogier Wolff <> | | Subject | Re: Driver retries disk errors. |
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On Wed, Sep 01, 2004 at 03:44:38PM +0100, Alan Cox wrote: > On Mer, 2004-09-01 at 16:28, Romano Giannetti wrote: > > Just a question from a kernel-almost-illiterate. Could this explain the > > behavior of my laptop yesterday, reading a damaged DVD? I had to wait almost > > one full minute of retry until being able to kill xine... > > Thats the block layer. Its actually hard to fix the kill -9 case.
I don't think so. It starts with the ide-cd level driver doing 8 retries. Most disk we see retry themselves for about a 4 second delay before reporting a bad block. A CD taking twice that much would not sound abnormal. (seeks are about 10 times as expensive on CDs). 8 times 8 seconds is a full minute.
Roger.
-- ** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 ** *-- BitWizard writes Linux device drivers for any device you may have! --* **** "Linux is like a wigwam - no windows, no gates, apache inside!" **** - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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