DO NOT USE IT (Re: linux-2.5.3-pre1 and IDE Driver Trouble) FATAL
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That problem is now fixed in 2.5.3-pre1-2 + arch_compatablity.patch
Quoted 12 lines · Marc Lehmann
Quoted 3 lines · Andre Hedrick
If the driver falls out of DMA, DEADBOX!!!! There is a conflict of BIO and ACB and it is very fatal.
As a matter of fact, this is not much different to 2.4 behaviour. hdparm -d1 on a busy disk kills the machine, with interrupts turned off (tested on all my machines (all SMP, btw), with linux-2.4.13-ac7, 2.4.17 and 2.4.17+ide-patch), on both my promise, piix and via controllers.
Also, hdparm -w gives me:
Quoted 18 lines
Jan 7 05:40:47 (none) kernel: bug: kernel timer added twice at c01cc2e9. Jan 7 05:40:54 (none) kernel: ide1: reset: successand then both hdc and hdd are dead, which is only for a short time after which the machine freezes (software watchdog doesn't help).
(under 2.2, using hdparmn on the same hardware was safe, at least with respect to hdparm -d1).
Signature · 7 lines
-----==- | ----==-- _ | ---==---(_)__ __ ____ __ Marc Lehmann +-- --==---/ / _ \/ // /\ \/ / [email protected] |e| -=====/_/_//_/\_,_/ /_/\_\ XX11-RIPE --+ The choice of a GNU generation | |
Andre Hedrick
Linux Disk Certification Project Linux ATA Development