Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: jkn Newsgroups: comp.os.linux.misc,uk.d-i-y Subject: Re: Anyone else seen this. Date: Sun, 5 Jul 2026 17:24:40 +0100 Lines: 64 Message-ID: References: <1128k1p$3fgrb$1@dont-email.me> <5oo9EBFQWXSqFw2g@bancom.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net B42O3fcWdEp9uil0V6G0JAixYARdSaxrP649o0X5OyouixK9jj Cancel-Lock: sha1:0IIJHxD/xwaR6/DdOy6MysXCQFI= sha256:AagsQhnotBQRSX/rmHMfVd1bhHHR8wzuggFpAH/kYgs= User-Agent: Mozilla Thunderbird Content-Language: en-US In-Reply-To: Xref: csiph.com comp.os.linux.misc:88684 uk.d-i-y:1241301 On 05/07/2026 12:32, alan_m wrote: > On 05/07/2026 10:40, jkn wrote: >> On 05/07/2026 09:18, alan_m wrote: >>> On 04/07/2026 22:05, tony sayer wrote: >>>> In article , alan_m >>>> scribeth thus >>>>> On 03/07/2026 16:21, The Natural Philosopher wrote: >>>>>> Recently my router (Draytek 2726) has been spontaneously rebooting. >>>>>> >>>>>> Examination of the logs show a kernel panic caused by 'attempt to >>>>>> execute an illegal instruction'. >>>>>> >>>>>> My assumption, possibly erroneous, is that the actual firmware >>>>>> code is >>>>>> corrupted >>>>>> The router is rated only to +45°C but that is the recommended >>>>>> limit for >>>>>> flash memory, and the room temperature has been up towards 40°C. >>>>>> which >>>>>> doesn't leave a great deal of margin for router internal heat >>>>>> production. >>>>>> My query is whether anyone else has seen issues with flash memory >>>>>> in the >>>>>> recent hear wave. >>>>>> >>>>>> Surely phones get hotter than this? >>>>>> >>>>>> Genuinely interested in other's experiences. >>>>>> >>>>> >>>>> Not router or flash memory but I had experience of set top boxes >>>>> overheating and becoming unreliable usually because the feet they >>>>> fit to >>>>> the boxes only allows a few millimetres of air to circulate under the >>>>> box. I've often fitted taller feet and/or put the boxes on a a >>>>> couple of >>>>> pieces of 2"x1" timber to increase the air flow beneath the box. >>>>> Also I >>>>> don't stack one box on top of another that may be generating heat nor >>>>> operate the boxes in an enclosed cabinet. >>>>> >>>> >>>> And.. change the mostly useless power supply Capacitors!.. >>> >>> in the past 20(ish) years I've changed dodgy electrolytic capacitors >>> in two set top boxes, one Samsung TV and a Netgear router. >>> >>> >> >> I've done plenty as well - two Topfield PVRs, at least one PC >> Motherboard, and quite a few Power Supply Adapters for starters. But I >> do not think the Draytek has a problem here. >> > > I had my Topfield apart twice for capacitors. Initially is was thought > that only a couple of values had problems but then a couple more years > down line it was found that other capacitors in the power supply failed. > > The failure was progressive and caused some power supply output voltages > to rise significantly and if left too long took a out a tuner > transistor. Luckily all of this was fully documented by users and the > instructions for repair could be found on line. Indeed - there is a guy (still) selling complete Topfield PSU reburb kits...