Re: [Xen-devel] Bug: Windows 2003 fails to install on xen-unstable tip

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 19/04/13 13:47, Jan Beulich wrote:
> > > > On 19.04.13 at 12:44, Roger Pau MonnÃ<roger.pau@xxxxxxxxxx> wrote:
> > (XEN) HVM1: Booting from 0000:7c00
> > (XEN) B=42 [A:26 B:02 C:50]
> Hmm - no REG_C read here. Below/attached an updated patch,
> with some more printing and two changes which together may
> help.
>
> Should the extra printing get noisy, just disable it, but please let
> me know which (if any) of them you needed to take out.
(XEN) HVM1: Booting from DVD/CD...
(XEN) HVM1: Booting from 0000:7c00
(XEN) HVM1: pnp call arg1=0
[   75.071460] xenbr0: port 3(vif1.0-emu) entering forwarding state
(XEN) pt on: 10
(XEN) B=42 [A:2a B:02 C:50 pt:10/0]
(XEN) C=50 pt=10/0
(XEN) C=c0 pt=10/0
(XEN) C=00 pt=10/0
(XEN) C=c0 pt=10/0
(XEN) C=00 pt=10/0
(XEN) pt off @87
(XEN) irq.c:270: Dom1 PCI link 0 changed 5 -> 0
(XEN) irq.c:270: Dom1 PCI link 1 changed 10 -> 0
(XEN) irq.c:270: Dom1 PCI link 2 changed 11 -> 0
(XEN) irq.c:270: Dom1 PCI link 3 changed 5 -> 0


Attached is the full log.

 -George

> Jan
>
> --- a/xen/arch/x86/hvm/rtc.c
> +++ b/xen/arch/x86/hvm/rtc.c
> @@ -84,9 +84,11 @@ void rtc_periodic_interrupt(void *opaque
>       else if ( ++(s->pt_dead_ticks) >= 10 )
>       {
>           /* VM is ignoring its RTC; no point in running the timer */
> +printk("pt off @%d\n", __LINE__);//temp
>           destroy_periodic_time(&s->pt);
>           s->pt_code = 0;
>       }
> +else if(s->pt_code) rtc_update_irq(s);//todo?
>       spin_unlock(&s->lock);
>   }
>   
> @@ -114,6 +116,7 @@ static void rtc_timer_update(RTCState *s
>           {
>               if ( period_code != s->pt_code )
>               {
> +printk("pt on: %d\n", period_code);//temp
>                   s->pt_code = period_code;
>                   period = 1 << (period_code - 1); /* period in 32 Khz cycles */
>                   period = DIV_ROUND(period * 1000000000ULL, 32768); /* in ns */
> @@ -125,6 +128,7 @@ static void rtc_timer_update(RTCState *s
>           }
>           /* fall through */
>       default:
> +printk("pt off @%d\n", __LINE__);//temp
>           destroy_periodic_time(&s->pt);
>           s->pt_code = 0;
>           break;
> @@ -451,6 +455,9 @@ static int rtc_ioport_write(void *opaque
>               rtc_timer_update(s);
>           break;
>       case RTC_REG_B:
> +printk("B=%02x [A:%02x B:%02x C:%02x pt:%d/%d]\n",//temp
> +       data, s->hw.cmos_data[RTC_REG_A], orig, 
> s->hw.cmos_data[RTC_REG_C],//temp
> +       s->pt_code, s->pt_dead_ticks);//temp
>           if ( data & RTC_SET )
>           {
>               /* set mode: reset UIP mode */
> @@ -474,6 +481,7 @@ static int rtc_ioport_write(void *opaque
>            */
>           rtc_update_irq(s);
>           s->hw.cmos_data[RTC_REG_B] = data;
> +if((data & RTC_PIE) && !(orig & RTC_PIE)) rtc_timer_update(s);//todo?
>           if ( (data ^ orig) & RTC_SET )
>               check_update_timer(s);
>           if ( (data ^ orig) & (RTC_24H | RTC_DM_BINARY | RTC_SET) )
> @@ -629,6 +637,7 @@ static uint32_t rtc_ioport_read(RTCState
>       case RTC_REG_C:
>           ret = s->hw.cmos_data[s->hw.cmos_index];
>           s->hw.cmos_data[RTC_REG_C] = 0x00;
> +printk("C=%02x pt=%d/%d\n", ret, s->pt_code, s->pt_dead_ticks);//temp
>           rtc_update_irq(s);
>           check_update_timer(s);
>           alarm_timer_update(s);
> @@ -727,9 +736,12 @@ void rtc_reset(struct domain *d)
>   {
>       RTCState *s = domain_vrtc(d);
>   
> +printk("pt off @%d\n", __LINE__);//temp
>       destroy_periodic_time(&s->pt);
>       s->pt_code = 0;
>       s->pt.source = PTSRC_isa;
> +s->hw.cmos_data[RTC_REG_B] &= ~(RTC_PIE|RTC_AIE|RTC_UIE);//todo?
> +s->hw.cmos_data[RTC_REG_C] = 0;//todo?
>   }
>   
>   void rtc_init(struct domain *d)

Attachment: kodo2.log
Description: Text Data

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel