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List: dragonfly-bugs
Subject: panic: assertion: ccb == ap->ap_err_ccb in ahci_put_err_ccb
From: Francois Tigeot <ftigeot () wolfpond ! org>
Date: 2009-10-31 18:34:53
Message-ID: 20091031183453.GA7396 () sekishi ! zefyris ! com
[Download RAW message or body]
This panic occurs when trying to read a defective SATA hard drive with ahci.
On the same machine, when using the nata disk driver (by disabling ahci in
BIOS), the disk is still unreadable with READ_DMA errors but the kernel does
not panic.
System is DragonFly 2.4.1 running on a Core 2 Duo machine with an Intel ICH9
SATA chipset.
The mainboard is a Supermicro X7SBL-LN2:
http://www.supermicro.com/products/motherboard/Xeon3000/3200/X7SBL-LN2.cfm
gzipped kernel and core file are available here:
http://www.wolfpond.org/crash.dfly/
--
Francois Tigeot
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