OpenVZ Forum


Home » Mailing lists » Devel » megaraid_mbox: garbage in file
Re: megaraid_mbox: garbage in file [message #3092 is a reply to message #2999] Fri, 12 May 2006 04:15 Go to previous messageGo to previous message
vaverin is currently offline  vaverin
Messages: 708
Registered: September 2005
Senior Member
Vasily Averin wrote:
> Ju, Seokmann wrote:
>>I'm waiting for feedback from F/W team for MegaRAID 150-4 controller if it supports 64-bit DMA.
>>
>>I'll update here as I get.

Could you please tell me any updates? Could you confirm that this issue was
reproduced on your nodes?

>>Can you do one quick change in the driver?
>>Search for 'pci_set_dma_mask()' API calls in the driver and mask out one of them with DMA_64BIT_MASK as follow.
>>---
>> // if (pci_set_dma_mask(adapter->pdev, DMA_64BIT_MASK) != 0) {
>>
>> // conlog(CL_ANN, (KERN_WARNING
>> // "megaraid: could not set DMA mask for 64-bit.\n"));
>>
>> // goto out_free_sysfs_res;
>> // }
>>---
>>
>>I found that the driver is NOT checking 64-bit DMA capability of the controllers accordingly and this could be a reason.
>
> This change help me:
> Errors go away, file content is correct.

I'm going to use this change in production, at least as temporal workaround.
Could you please confirm that it is safe for all controllers supported by this
driver?

Thank you,
Vasily Averin

SWsoft Virtuozzo/OpenVZ Linux kernel team

Report message to a moderator

[Message index]
 
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Read Message
Previous Topic: [PATCH COMMIT] diff-merge-2.6.16.15-20060510
Next Topic: [PATCH 2/9] namespaces: incorporate fs namespace into nsproxy
Goto Forum:
  

[ Syndicate this forum (XML) ] [ RSS ] [ PDF ]

Current Time: Mon Jun 15 18:31:00 GMT 2026

Total time taken to generate the page: 0.35168 seconds
Powered by FUDforum Powered by Virtuozzo Containers