Well there you go =)
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Mon, Jan 11, 2016 at 11:15 AM, Darin Steffl <[email protected]> wrote: > Support says it was added in 2.5.2 as shown below. If you have a version > earlier than that, they have instructions on how to do that. > > 2. Crash Logs: To capture the crash log on radios running 2.5.2 or later > from an SSH session you just need to enter the CLI command “debug crashlog” > . If it is earlier you will need root access. You would need to enter “cat > /sys/kernel/debug/crashlog” and share the results. > > On Mon, Jan 11, 2016 at 10:09 AM, Josh Luthman < > [email protected]> wrote: > >> 'debug crashlog' was added in 2.6 I believe >> >> >> Josh Luthman >> Office: 937-552-2340 >> Direct: 937-552-2343 >> 1100 Wayne St >> Suite 1337 >> Troy, OH 45373 >> >> On Mon, Jan 11, 2016 at 11:08 AM, Darin Steffl <[email protected]> >> wrote: >> >>> I saw this exact problem last night in -15 degree weather here and >>> emailed Cambium support last night and by 8am this morning had test >>> firmware 2.6.1-RC1 which has a fix for the DDR memory timing which is >>> causing this problem. It might have helped that I emailed one of their >>> engineers and he immediately sent me back the following explanation of what >>> is happening. If you see this problem, I would highly recommend emailing >>> him your "debug crashlog" results and let him know you're trying this >>> firmware and the results of it so they can get in the next release if it >>> works for you. It also only affects certain units so this firmware >>> shouldn't be for everyone. I would reach out to Sriram before applying any >>> of the firmware files in the link below. >>> >>> >>> [email protected] >>> >>> >>> >>> >>> Hi Darin, >>> >>> Thanks for reaching out to me. >>> >>> We believe that there may be a DDR (memory) timing issue with a specific >>> set of MAC Addresses that were manufactured. The issue happens only when >>> the ambient temperature dips below -5 C. There is nothing wrong with the >>> memory but under winter temperatures it appears to be a bit more sensitive. >>> We can solve this problem by adjusting the timing of the DDR in software. >>> Since you are in Detroit, I suspect that your radios are running into this >>> issue. The MAC addresses you have sent me below appear to be in the list of >>> impacted devices. In addition, the crash logs you sent me also indicate its >>> due to the memory timing issue. It’ll be great if you can eventually send >>> me the crashlogs from the other two radios as well. >>> >>> Please find binaries that are designed to correct the timing error that >>> occurs with the DDR memory here: goo.gl/4TpMif. For the Sync radios >>> use the firmware labelled “ APPX….” and for non-sync radio use the firmware >>> labelled “SMPX…". We have tested this fix internally in cold chambers and >>> throughput tests, but has not gone through full regression yet. However, we >>> have also tested this fix in over 160 customers radio over the last week >>> who are impacted by this issue. >>> >>> Please install this firmware only on the impacted devices. In the >>> meantime, we will complete our internal testing and release 2.6.1 in the >>> next couple of weeks that will contain the solution. >>> >>> If you decide to install it, please keep me up to date on how it is >>> going. Like I mentioned earlier, this has been given out to a few other >>> customers in cold regions and they have reported positive results as their >>> radios have stabilized and the issue is no longer seen. I will keep you up >>> to date with how we are progressing along with further internal testing. >>> >>> Thanks, >>> Sriram >>> >>> >>> On Mon, Jan 11, 2016 at 9:40 AM, Josh Baird <[email protected]> wrote: >>> >>>> What did you hear, and from who? >>>> >>>> On Mon, Jan 11, 2016 at 10:39 AM, Josh Luthman < >>>> [email protected]> wrote: >>>> >>>>> From what I heard this morning I'm confident. And surprised it can be >>>>> fixed in software. >>>>> >>>>> Josh Luthman >>>>> Office: 937-552-2340 >>>>> Direct: 937-552-2343 >>>>> 1100 Wayne St >>>>> Suite 1337 >>>>> Troy, OH 45373 >>>>> On Jan 11, 2016 10:28 AM, "Vlad Sedov" <[email protected]> wrote: >>>>> >>>>>> That's promising... >>>>>> >>>>>> >>>>>> Vlad >>>>>> >>>>>> >>>>>> On 1/11/2016 9:25 AM, Mathew Howard wrote: >>>>>> >>>>>> No... it's not a connector issue. Cambium knows about it and they >>>>>> have a fix that they're testing. >>>>>> >>>>>> On Mon, Jan 11, 2016 at 9:22 AM, Vlad Sedov <[email protected]> wrote: >>>>>> >>>>>>> I don't buy the connector thing, at least not in all cases. I'm >>>>>>> looking at the output of "debug crashlog" on one of the affected radios, >>>>>>> and it does look like it's crashing hard. I don't see how it would be a >>>>>>> connector issue. Also, we have a few sites with zero issues.. Same >>>>>>> firmware >>>>>>> and everything. >>>>>>> >>>>>>> >>>>>>> Vlad >>>>>>> >>>>>>> >>>>>>> On 1/11/2016 9:20 AM, Tyson @ Internet Communications Inc (ICI) >>>>>>> wrote: >>>>>>> >>>>>>> So is this a cable connector problem? >>>>>>> >>>>>>> *Tyson Burris, President* >>>>>>> *Internet Communications Inc.* >>>>>>> *739 Commerce Dr.* >>>>>>> *Franklin, IN 46131* >>>>>>> >>>>>>> *317-738-0320 <317-738-0320> Daytime #* >>>>>>> *317-412-1540 <317-412-1540> Cell/Direct #* >>>>>>> *Online: **www.surfici.net* >>>>>>> >>>>>>> >>>>>>> >>>>>>> Forgive the brevity, the typos and my fat fingers! >>>>>>> >>>>>>> On Jan 11, 2016, at 10:12 AM, Josh Baird < <[email protected]> >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>> Yes. >>>>>>> >>>>>>> >>>>>>> http://community.cambiumnetworks.com/t5/ePMP-1000/Cold-Weather-Issues/m-p/36592#U36592 >>>>>>> >>>>>>> On Mon, Jan 11, 2016 at 10:11 AM, Vlad Sedov < <[email protected]> >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hey folks, >>>>>>>> >>>>>>>> Is anyone having trouble with ePMP (GPS variety) in cold weather? >>>>>>>> We seem to have a few units that started randomly locking up in the >>>>>>>> middle >>>>>>>> of the night when temps are below freezing. Rebooting seems to clear >>>>>>>> things >>>>>>>> up for a day or so. >>>>>>>> >>>>>>>> >>>>>>>> peace >>>>>>>> >>>>>>>> Vlad >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>> >>> >>> >>> -- >>> Darin Steffl >>> Minnesota WiFi >>> www.mnwifi.com >>> 507-634-WiFi >>> <http://www.facebook.com/minnesotawifi> Like us on Facebook >>> <http://www.facebook.com/minnesotawifi> >>> >> >> > > > -- > Darin Steffl > Minnesota WiFi > www.mnwifi.com > 507-634-WiFi > <http://www.facebook.com/minnesotawifi> Like us on Facebook > <http://www.facebook.com/minnesotawifi> >
