On 2014-09-30 02:13, Ben Hutchings wrote: > On Mon, 2014-09-29 at 11:57 +0200, Christophe Thil wrote: >> Package: src:linux >> Version: 3.16.3-2 >> Severity: normal >> >> Dear Maintainer, >> >> with Kernel 3.16, intel_idle is enabled for the Intel Atom S1260 CPU >> (Centerton SoC). This leads to a +20°C temperature increase when the CPU >> is idle, exceeding the 100°C alarm threshold for passive cooled systems >> like the Supermicro X9SBAA-F. >> >> With 3.14, intel_idle was blacklisted for this CPU, which runs fine. If >> 3.16 is booted with intel_idle.max_cstate=0 processor.max_cstate=0, >> which disables the intel_idle, the CPU also stays cool. > [...] > > It looks like the relevant change is: > > commit acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5 > Author: Jan Kiszka <[email protected]> > Date: Sat Jan 25 22:24:22 2014 +0100 > > intel_idle: Add CPU model 54 (Atom N2000 series) > > Add CPU ID for Atom N2600/N2800 processors. Datasheets indicate support > for this, detailed information about potential quirks or limitations are > missing, though. So we just reuse the definition for the previous ATOM > series. [...] > > as those processors are part of the same Atom generation as Centerton. > > I think that more specific ID matching is required here.
Hmm, I would check first if the Centerton series really has the same model ID (0x36) as the Cedarview. If they do, what other means of differentiation do we have? Jan -- Siemens AG, Corporate Technology, CT RTC ITP SES-DE Corporate Competence Center Embedded Linux -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected] Archive: https://lists.debian.org/[email protected]
