2009/11/18 Bill Gatliff
> The jitter can be quite low (100's of usecs) on a 200 MHz ARM9 chip, in
> fact, but you'll eat your battery alive if it's a portable device. And
> the jitter will also destroy your waveform at high or low duty cycles.
I agree with both of you, and I have physically test
Tim Bird writes:
> Eric W. Biederman wrote:
>> Matt Mackall writes:
>>
>>> As much as I like kexec, it loses on memory footprint by about 100x.
>>> It's not appropriate for all use cases, especially things like
>>> consumer-grade wireless access points and phones.
>>
>> In general I agree. Th
Eric W. Biederman wrote:
> Matt Mackall writes:
>
>> As much as I like kexec, it loses on memory footprint by about 100x.
>> It's not appropriate for all use cases, especially things like
>> consumer-grade wireless access points and phones.
>
> In general I agree. The cost of a second kernel an
David VomLehn writes:
>> > 2. Where would you suggest tying in? (Particularly since not all
>> > architectures
>> >currently support kdump)
>>
>> No changes are needed kernel side. You just need an appropriate kernel and
>> initrd for your purpose.
>
> I think I must still be missing somet
Matt Mackall writes:
> As much as I like kexec, it loses on memory footprint by about 100x.
> It's not appropriate for all use cases, especially things like
> consumer-grade wireless access points and phones.
In general I agree. The cost of a second kernel and initrd can be
prohibitive in the s
On Wed, Nov 18, 2009 at 8:53 AM, David VomLehn wrote:
> On Tue, Nov 17, 2009 at 04:28:22PM -0800, Eric W. Biederman wrote:
>> David VomLehn writes:
>>
>> > On Tue, Nov 17, 2009 at 10:45:43AM -0500, Eric W. Biederman wrote:
>> > ...
>> >> Why not use the kdump hook? If you handle a kernel panic t
On Tue, 2009-11-17 at 07:45 -0800, Eric W. Biederman wrote:
> Artem Bityutskiy writes:
>
> > On Tue, 2009-11-17 at 13:45 +0100, Marco Stornelli wrote:
> >> 2009/11/17 Artem Bityutskiy :
> >> > Take a look at my mails where I describe different complications we have
> >> > in our system. We really
