> -Original Message-
> From: Volker Schwicking [mailto:volker.schwick...@godaddy.com]
> Sent: Thursday, April 26, 2018 8:22 PM
> To: Kashyap Desai
> Cc: Martin K. Petersen; linux-scsi@vger.kernel.org; Sumit Saxena;
> Shivasharan
> Srikanteshwara
> Subject: Re: Mega
On 23. Apr 2018, at 11:03, Volker Schwicking
wrote:
>
> I will add the printk to dma_alloc_coherent() as well to see, which request
> actually fails. But i have to be a bit patient since its a production system
> and the customers aren’t to happy about reboots.
Alright, here are some results.
> On 23. Apr 2018, at 10:28, Kashyap Desai wrote
>>
>> Just did that on the “Dell R730xd, MegaRAID SAS-3 3108” and get the
>> following output when the megacli works fine.
>>
>> ###
>> Apr 23 09:31:37 xh643 kernel: [ 368.319092] GD IOV-len: 2048 Apr 23
>> 09:31:37
>> xh643 kernel: [ 368.31942
>
> Interesting. What is considered old and new? I have a third machine "Dell
> R515, MegaRAID SAS 2108”, is that considered new? Its running the same
> Xen/Kernel/Megacli-versions as the other two, but the error does not
> occur.
Nope this is also old controller. When I say new controller, It is
On 19. Apr 2018, at 08:33, Kashyap Desai wrote:
>
> I think you may see issue with 4.6 kernel as well. This is run time memory
> allocation failure. Older controller used 32 bit consistence DMA mask, so
> possibility of memory allocation failure is high compare to 64 bit
> consistence DMA mask. N
> -Original Message-
> From: Martin K. Petersen [mailto:martin.peter...@oracle.com]
> Sent: Wednesday, April 18, 2018 10:43 PM
> To: volker.schwick...@godaddy.com
> Cc: linux-scsi@vger.kernel.org; Kashyap Desai; Sumit Saxena
> Subject: Re: MegaCli fails to communicate wi
Volker,
> after our latest kernel-update from 4.6. to 4.14.14 we are having
> trouble getting data out of our LSI-raid-controllers using the
> megacli-binary.
>
> For every execution of the megacli-binary a line shows up in the kern.log
>
> ###
> [547216.425556] megaraid_sas :03:00.0: Failed
Hi all,
after our latest kernel-update from 4.6. to 4.14.14 we are having trouble
getting data out of our LSI-raid-controllers using the megacli-binary.
For every execution of the megacli-binary a line shows up in the kern.log
###
[547216.425556] megaraid_sas :03:00.0: Failed to alloc kerne
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