Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Bjorn, Checking again. How about adding some messages in the logs to let user know that vpd has been disabled on this device in case if there is an attempt to access vpd. What do you think?. Thanks Babu On 12/7/2015 5:07 PM, Babu Moger wrote: > Hi Bjorn, > My old logs were lost. So, I had

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Bjorn, Checking again. How about adding some messages in the logs to let user know that vpd has been disabled on this device in case if there is an attempt to access vpd. What do you think?. Thanks Babu On 12/7/2015 5:07 PM, Babu Moger wrote: > Hi Bjorn, > My old logs were lost. So, I had

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

On Mon, Dec 7, 2015 at 4:07 PM, Babu Moger wrote: > Hi Bjorn, > My old logs were lost. So, I had to recreate the issue again. So it took > sometime. > > On 12/7/2015 11:29 AM, Bjorn Helgaas wrote: >> Hi Babu, >> >> On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger wrote: >>> Reading or

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

On Mon, Dec 7, 2015 at 4:07 PM, Babu Moger wrote: > Hi Bjorn, > My old logs were lost. So, I had to recreate the issue again. So it took > sometime. > > On 12/7/2015 11:29 AM, Bjorn Helgaas wrote: >> Hi Babu, >> >> On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Bjorn, My old logs were lost. So, I had to recreate the issue again. So it took sometime. On 12/7/2015 11:29 AM, Bjorn Helgaas wrote: > Hi Babu, > > On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger wrote: >> Reading or Writing of PCI VPD data causes system panic. >> We saw this problem

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Babu, On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger wrote: > Reading or Writing of PCI VPD data causes system panic. > We saw this problem by running "lspci -vvv" in the beginning. > However this can be easily reproduced by running > cat /sys/bus/devices/XX../vpd What sort of panic is

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Babu, On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger wrote: > Reading or Writing of PCI VPD data causes system panic. > We saw this problem by running "lspci -vvv" in the beginning. > However this can be easily reproduced by running > cat /sys/bus/devices/XX../vpd What sort of panic is

Re: [PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Hi Bjorn, My old logs were lost. So, I had to recreate the issue again. So it took sometime. On 12/7/2015 11:29 AM, Bjorn Helgaas wrote: > Hi Babu, > > On Thu, Dec 03, 2015 at 12:25:19PM -0800, Babu Moger wrote: >> Reading or Writing of PCI VPD data causes system panic. >> We saw this problem

[PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Reading or Writing of PCI VPD data causes system panic. We saw this problem by running "lspci -vvv" in the beginning. However this can be easily reproduced by running cat /sys/bus/devices/XX../vpd VPD length has been set as 32768 by default. Accessing vpd will trigger read/write of 32k. This

[PATCH v4] pci: Limit VPD length for megaraid_sas adapter

Reading or Writing of PCI VPD data causes system panic. We saw this problem by running "lspci -vvv" in the beginning. However this can be easily reproduced by running cat /sys/bus/devices/XX../vpd VPD length has been set as 32768 by default. Accessing vpd will trigger read/write of 32k. This