Hi Sricharan, sricharan@xxxxxxxxxxxxxx wrote on Fri, 28 Jan 2022 23:20:04 +0530: > Hi Konrad, > > On 1/28/2022 9:55 AM, Sricharan Ramabadhran wrote: > > Hi Miquel, > > > > On 1/26/2022 4:12 PM, Miquel Raynal wrote: > >> Hi Mani, > >> > >> mani@xxxxxxxxxx wrote on Wed, 26 Jan 2022 16:03:16 +0530: > >> > >>> On Wed, Jan 26, 2022 at 11:16:13AM +0100, Miquel Raynal wrote: > >>>> Hello, > >>>> > >>>> miquel.raynal@xxxxxxxxxxx wrote on Fri, 14 Jan 2022 08:27:18 +0100: > >>>>> Hi Konrad, > >>>>> > >>>>> konrad.dybcio@xxxxxxxxxxxxxx wrote on Thu, 13 Jan 2022 19:44:26 >>>>> +0100: > >>>>>> While I have absolutely 0 idea why and how, running >>>>>> clear_bam_transaction > >>>>>> when READID is issued makes the DMA totally clog up and refuse to >>>>>> function > >>>>>> at all on mdm9607. In fact, it is so bad that all the data gets >>>>>> garbled > >>>>>> and after a short while in the nand probe flow, the CPU decides that > >>>>>> sepuku is the only option. > >>>>>> > >>>>>> Removing _READID from the if condition makes it work like a >>>>>> charm, I can > >>>>>> read data and mount partitions without a problem. > >>>>>> > >>>>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx> > >>>>>> --- > >>>>>> This is totally just an observation which took me an inhumane >>>>>> amount of > >>>>>> debug prints to find.. perhaps there's a better reason behind >>>>>> this, but > >>>>>> I can't seem to find any answers.. Therefore, this is a BIG RFC! > >>>>> I'm adding two people from codeaurora who worked a lot on this >>>>> driver. > >>>>> Hopefully they will have an idea :) > >>>> Sadre, I've spent a significant amount of time reviewing your patches, > >>>> now it's your turn to not take a month to answer to your peers > >>>> proposals. > >>>> > >>>> Please help reviewing this patch. > >>> Sorry. I was hoping that Qcom folks would chime in as I don't have >>> any idea > >>> about the mdm9607 platform. It could be that the mail server >>> migration from > >>> codeaurora to quicinc put a barrier here. > >>> > >>> Let me ping them internally. > >> Oh, ok, I didn't know. Thanks! > > > > Sorry Miquel, somehow we did not get this email in our inbox. > > Thanks to Mani for pinging us, we will test this up today and get > back. > > > While we could not reproduce this issue on our ipq boards (do not have a mdm9607 right now) and > issue does not look any obvious. > can you please give the debug logs that you did for the above stage by stage ? Thanks for stepping up, it is really appreciated, good luck both for the debugging. Thanks, Miquèl
