Re: Anyone else seen this.

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 <[email protected]>, alan_m
>>>> <[email protected]> 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...