Re: [Xen-users] kernel 4.4: rtc_cmos stopped working in dom0

[Jerome LE GALLIC <jerome.legallic@xxxxxxxxxx>]

Âhi,
the version of xen is 4.6.0
so exactly rtc works fine on dom0
I think rtc is compiled in kernel there is no module in 
/lib/modules/3.16.0-4-amd64

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> Message du 10/02/16 13:48
> De : "Roger Pau MonnÃ" 
> A : xen-users@xxxxxxxxxxxxx
> Copie à : 
> Objet : Re: [Xen-users] kernel 4.4: rtc_cmos stopped working in dom0
> 
> El 10/2/16 a les 12:11, Jerome LE GALLIC ha escrit: > hi, > I have the same 
> problem on domu kernel 3.16.0.4-amd64 or kernel 4.3.0-1-amd64 with error > > 
> platform rtc_cmos: registered platform RTC device (no PNP device found) > [ 
> 1.415493] rtc_cmos rtc_cmos: rtc core: registered rtc_cmos as rtc0 > [ 
> 1.415577] rtc_cmos: probe of rtc_cmos failed with error -38 > [ 1.416475] 
> rtc_hctosys: unable to open rtc device (rtc0) This is expected, RTC is not 
> available to DomUs, the PV wall clock is provided, which should accomplish 
> the same task. >> Message du 02/02/16 01:06 >> De : "Sven KÃhler" >> A : 
> xen-users@xxxxxxxxxxxxxxxxxxx >> Copie à : >> Objet : Re: [Xen-users] kernel 
> 4.4: rtc_cmos stopped working in dom0 >> >> Any clue what's going on? 
> rtc_cmos works fine with previous kernels on >> the same hardware. >> >> Am 
> 24.01.2016 um 00:09 schrieb Sven KÃhler: >>> Hi, >>> >>> since I upgraded by 
> test machine's kernel to 4.4, rtc_cmos won't work >>> anymore. In 
> consequence, hwclock --show terminates with an error. In >>> dmesg, I see the 
> following error message: >>> >>> rtc_cmos: probe of rtc_cmos failed with 
> error -22 >>> >>> >>> Is dom0 not supposed to control the CMOS clock? No, 
> Dom0 should have access to the RTC. Which version of Xen are you using? 
> Roger. _______________________________________________ Xen-users mailing list 
> Xen-users@xxxxxxxxxxxxx http://lists.xen.org/xen-users

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