Re: Anyone else seen this.

From	jkn <jkn+nin@nicorp.co.uk>
Newsgroups	comp.os.linux.misc, uk.d-i-y
Subject	Re: Anyone else seen this.
Date	2026-07-05 17:24 +0100
Message-ID	<naveq9Fmk5sU2@mid.individual.net> (permalink)
References	(1 earlier) <nas58eFlreU1@mid.individual.net> <5oo9EBFQWXSqFw2g@bancom.co.uk> <naui9pFc7aoU1@mid.individual.net> <naun3gFmk5tU5@mid.individual.net> <nautmaFe0ggU1@mid.individual.net>

Cross-posted to 2 groups.

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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 <nas58eFlreU1@mid.individual.net>, alan_m
>>>> <junk@admac.myzen.co.uk> 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...

Thread

Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 16:21 +0100
  Re: Anyone else seen this. Andy Burns <usenet@andyburns.uk> - 2026-07-03 16:37 +0100
    Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:10 +0100
  Re: Anyone else seen this. [Draytek rebooting] jkn <jkn+nin@nicorp.co.uk> - 2026-07-03 16:45 +0100
    Re: Anyone else seen this. [Draytek rebooting] jkn <jkn+nin@nicorp.co.uk> - 2026-07-03 18:52 +0100
      Re: Anyone else seen this. [Draytek rebooting] The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:17 +0100
    Re: Anyone else seen this. [Draytek rebooting] The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:16 +0100
      Re: Anyone else seen this. [Draytek rebooting] jkn <jkn+nin@nicorp.co.uk> - 2026-07-03 22:29 +0100
        Re: Anyone else seen this. [Draytek rebooting] Theo <theom+news@chiark.greenend.org.uk> - 2026-07-04 00:33 +0100
          Re: Anyone else seen this. [Draytek rebooting] jkn <jkn+nin@nicorp.co.uk> - 2026-07-04 07:45 +0100
            Re: Anyone else seen this. [Draytek rebooting] The Natural Philosopher <tnp@invalid.invalid> - 2026-07-04 12:39 +0100
  Re: Anyone else seen this. Theo <theom+news@chiark.greenend.org.uk> - 2026-07-03 17:43 +0100
    Re: Anyone else seen this. Richard Kettlewell <invalid@invalid.invalid> - 2026-07-03 22:09 +0100
      Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:46 +0100
      Re: Anyone else seen this. Pancho <Pancho.Jones@protonmail.com> - 2026-07-03 23:14 +0100
    Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:20 +0100
  Re: Anyone else seen this. Adrian <diy@ku.gro.lioff> - 2026-07-03 17:51 +0100
    Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:26 +0100
  Re: Anyone else seen this. Pancho <Pancho.Jones@protonmail.com> - 2026-07-03 19:28 +0100
    Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-03 22:28 +0100
  Re: Anyone else seen this. "Jeff Gaines" <jgnewsid@outlook.com> - 2026-07-03 19:38 +0000
  Re: Anyone else seen this. John Rumm <see.my.signature@nowhere.null> - 2026-07-03 21:15 +0100
    Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-03 22:32 +0100
      Re: Anyone else seen this. John Rumm <see.my.signature@nowhere.null> - 2026-07-04 00:30 +0100
        Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-04 08:55 +0100
          Re: Anyone else seen this. John Rumm <see.my.signature@nowhere.null> - 2026-07-04 12:36 +0100
  Re: Anyone else seen this. Rich <rich@example.invalid> - 2026-07-04 05:30 +0000
  Re: Anyone else seen this. alan_m <junk@admac.myzen.co.uk> - 2026-07-04 11:23 +0100
    Re: Anyone else seen this. Charlie Gibbs <cgibbs@kltpzyxm.invalid> - 2026-07-04 17:06 +0000
      Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-04 19:08 +0100
      Re: Anyone else seen this. c186282 <c186282@nnada.net> - 2026-07-05 02:36 -0400
    Re: Anyone else seen this. tony sayer <tony@bancom.co.uk> - 2026-07-04 22:05 +0100
      Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-04 23:19 +0100
        Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 10:28 +0100
          Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-05 10:38 +0100
            Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 10:53 +0100
              Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-05 19:24 +0100
                Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 23:55 +0100
          Re: Anyone else seen this. alan_m <junk@admac.myzen.co.uk> - 2026-07-05 12:05 +0100
            Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 13:57 +0100
        Re: Anyone else seen this. tony sayer <tony@bancom.co.uk> - 2026-07-06 13:01 +0100
          Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-06 13:15 +0100
            Re: Anyone else seen this. Rich <rich@example.invalid> - 2026-07-06 14:15 +0000
      Re: Anyone else seen this. alan_m <junk@admac.myzen.co.uk> - 2026-07-05 09:18 +0100
        Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-05 10:40 +0100
          Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 10:54 +0100
            Re: Anyone else seen this. tony sayer <tony@bancom.co.uk> - 2026-07-06 13:06 +0100
              Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-06 13:18 +0100
          Re: Anyone else seen this. alan_m <junk@admac.myzen.co.uk> - 2026-07-05 12:32 +0100
            Re: Anyone else seen this. jkn <jkn+nin@nicorp.co.uk> - 2026-07-05 17:24 +0100
        Re: Anyone else seen this. c186282 <c186282@nnada.net> - 2026-07-06 00:49 -0400
          Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-06 12:24 +0100
  Re: Anyone else seen this. "Mr. Man-wai Chang" <toylet.toylet@gmail.com> - 2026-07-04 21:52 +0800
    Re: Anyone else seen this. c186282 <c186282@nnada.net> - 2026-07-04 23:34 -0400
      Re: Anyone else seen this. The Natural Philosopher <tnp@invalid.invalid> - 2026-07-05 10:50 +0100

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