From: Thomas Gleixner <tglx@linutronix.de>
To: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>,
Peter Zijlstra <peterz@infradead.org>,
lkml <linux-kernel@vger.kernel.org>,
John Stultz <john.stultz@linaro.org>
Subject: Re: ktime_get_ts64() splat during resume
Date: Fri, 17 Jun 2016 13:53:53 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.11.1606171351390.5839@nanos> (raw)
In-Reply-To: <20160617105435.GB15997@pd.tnic>
On Fri, 17 Jun 2016, Borislav Petkov wrote:
> look what I've found this morning during resume:
>
> [ 45.746236] BUG: unable to handle kernel done.
> [ 45.752542] NULL pointer dereference at 0000000000000001
> [ 45.752544] IP: [<0000000000000001>] 0x1
> static inline cycle_t timekeeping_get_delta(struct tk_read_base *tkr)
> {
> cycle_t cycle_now, delta;
>
> /* read clocksource */
> cycle_now = tkr->read(tkr->clock);
> ^^^^^^^^^^
>
> Ring any bells about something corrupting tk_core.timekeeper.tkr_mono or
> it being uninitialized after suspend?
It must be initialized otherwise you won't reach suspend. I have no idea how
that can happen.
Thanks,
tglx
next prev parent reply other threads:[~2016-06-17 11:56 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-17 10:54 Borislav Petkov
2016-06-17 11:53 ` Thomas Gleixner [this message]
2016-06-17 13:29 ` Borislav Petkov
2016-06-17 14:33 ` Borislav Petkov
2016-06-17 15:28 ` Rafael J. Wysocki
2016-06-17 16:12 ` Borislav Petkov
2016-06-17 21:03 ` Rafael J. Wysocki
2016-06-18 1:11 ` Rafael J. Wysocki
2016-06-20 14:38 ` Rafael J. Wysocki
2016-06-20 18:29 ` Linus Torvalds
2016-06-20 21:15 ` Rafael J. Wysocki
2016-06-21 0:05 ` Rafael J. Wysocki
2016-06-21 1:22 ` Rafael J. Wysocki
2016-06-21 4:35 ` Logan Gunthorpe
2016-06-21 11:36 ` Rafael J. Wysocki
2016-06-21 18:04 ` Kees Cook
2016-06-21 23:29 ` Rafael J. Wysocki
2016-06-27 14:24 ` [PATCH v3] x86/power/64: Fix kernel text mapping corruption during image restoration (was: Re: ktime_get_ts64() splat during resume) Rafael J. Wysocki
2016-06-27 20:08 ` Borislav Petkov
2016-06-27 23:33 ` [PATCH v3] x86/power/64: Fix kernel text mapping corruption during image restoration Logan Gunthorpe
2016-06-29 14:48 ` Kees Cook
2016-06-30 1:52 ` Logan Gunthorpe
2016-06-30 2:20 ` Rafael J. Wysocki
2016-06-30 2:55 ` Rafael J. Wysocki
2016-06-30 3:56 ` Logan Gunthorpe
2016-06-30 12:16 ` Rafael J. Wysocki
2016-06-30 9:45 ` Borislav Petkov
2016-06-30 11:27 ` Rafael J. Wysocki
2016-06-30 13:17 ` [PATCH v4] " Rafael J. Wysocki
2016-06-30 15:05 ` Borislav Petkov
2016-06-30 15:17 ` Rafael J. Wysocki
2016-06-30 15:24 ` Andy Lutomirski
2016-06-30 15:29 ` Rafael J. Wysocki
2016-06-30 17:23 ` Andy Lutomirski
2016-06-30 16:11 ` [PATCH v5] " Rafael J. Wysocki
2016-06-30 17:02 ` Borislav Petkov
2016-06-30 21:47 ` Logan Gunthorpe
2016-06-20 8:17 ` ktime_get_ts64() splat during resume chenyu
2016-06-20 12:21 ` Rafael J. Wysocki
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