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From: "Георгий Зайцев" <zaytsevgu@gmail.com>
To: Sergey Kovalev <valor@list.ru>
Cc: Jan Beulich <jbeulich@suse.com>, xen-devel@lists.xen.org
Subject: Re: Fwd: [BUG] Windows is frozen after restore from snapshot
Date: Fri, 23 Apr 2021 16:10:19 +0300	[thread overview]
Message-ID: <CADyHojEFuM8mrdyBpQCO+_OJsijfi6nR5YjbHxE3dkTqbAq23Q@mail.gmail.com> (raw)
In-Reply-To: <33f08c57-08f7-b6c3-02ed-2b66c35665f2@list.ru>

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>
> Since
> you've taken apart saved state, could you supply the full set of
> values (ideally multiple ones, if you happen to have them, plus
> ones where the problem didn't occur, to allow someone perhaps
> spot a pattern)?
>

Here is full HPET state from "frozen" snapshot according to hvm_hw_hpet
structure:

capabiliy: f424008086a201
res0: 0
config: 3
res1: 0
isr: 0
res2: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0]
mc64: 97b90bc74
res3: 0
timer0:
        config: f0000000002934
        cmp: fd4aa84c
        fsb: 0
        res4: 0
timer1:
        config: f0000000000130
        cmp: ffffffff
        fsb: 0
        res4: 0
timer2:
        config: f0000000000130
        cmp: ffffffff
        fsb: 0
        res4: 0
period[0] = ee6b2
period[1] = 0
period[2] = 0

This one taken from snapshot of "unfrozen" one:

capabiliy: f424008086a201
res0: 0
config: 3
res1: 0
isr: 0
res2: [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0]
mc64: acbd23c57
res3: 0
timer0:
        config: f000000000293c
        cmp: acbd3761b
        fsb: 0
        res4: 0
timer1:
        config: f0000000000130
        cmp: ffffffff
        fsb: 0
        res4: 0
timer2:
        config: f0000000000130
        cmp: ffffffff
        fsb: 0
        res4: 0
period[0] = ee6b2
period[1] = 0
period[2] = 0

The only difference is HPET_TN_PERIODIC flag for timers[0].config value

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  reply	other threads:[~2021-04-23 13:12 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <6237e102-f2cf-a66e-09b6-954ebfe28f8c@list.ru>
2021-04-23 10:22 ` Sergey Kovalev
2021-04-23 12:30   ` Jan Beulich
2021-04-23 12:55     ` Sergey Kovalev
2021-04-23 13:10       ` Георгий Зайцев [this message]
2021-04-23 13:21         ` Jan Beulich
2021-04-23 13:30           ` Георгий Зайцев
2021-04-23 13:40             ` Jan Beulich
2021-04-23 15:08   ` Roger Pau Monné
2021-04-23 16:19     ` Sergey Kovalev
2021-04-24  0:39       ` Tamas K Lengyel

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