Re: Oops: NULL pointer dereference - RIP: isci_task_abort_task+0x30/0x3e0 [isci]

[Christoph Hellwig <hch@lst.de>]

Hannes said he was going to look into this, which makes sense
given that he designed the async abort code.

On Fri, Jan 05, 2018 at 01:13:48PM +0100, Yves-Alexis Perez wrote:
> Hi,
> 
> since kernel 4.11 (sorry it took so long to report) I have a box failing to
> boot with a NULL pointer dereference (the box is stuck there afterwards).
> 
> The bug has also been reported to the Debian BTS (https://bugs.debian.org/cgi-
> bin/bugreport.cgi?bug=882414) and a suggestion to revert 90965761 has been
> made. I can confirm it fix the boot issue.
> 
> I don't have the complete stack trace at hand but there's an example in the
> Debian bug. The machine is a Dell Precision T5600 with the following SATA
> controllers:
> 
> 00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA
> AHCI Controller (rev 05)
> 05:00.0 Serial Attached SCSI controller: Intel Corporation C602 chipset 4-Port 
> SATA Storage Control Unit (rev 05)
> 
> If you need more information or need me to test something, please ask.
> 
> Regards,
> -- 
> Yves-Alexis

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