reassign 599161 src:xen
thanks
On Sun, 2012-12-09 at 19:54 +, philippe.simo...@swisscom.com wrote:
what would be done that it would be 'officialized' / intergrated in
the next version in Debian ?
That is one for the Debian maintainers, not the upstream Xen maintainers
CCd here. AIUI the
[mailto:i...@hellion.org.uk]
Sent: Monday, November 26, 2012 4:36 PM
To: Jan Beulich
Cc: Mauro; Simonet Philippe, ITS-OUS-OP-IFM-NW-IPE; Keir Fraser;
599...@bugs.debian.org
Subject: Re: [Xen-devel] #599161: Xen debug patch for the clock shifts by 50
minutes bug.
On Mon, 2012-11-26 at 15:28
On Mon, 2012-11-26 at 15:28 +, Jan Beulich wrote:
On 24.11.12 at 13:06, Mauro mrsan...@gmail.com wrote:
Here is a clock jump, I'm using the patch:
And here's a 4.0.x version of the patch I just sent for -unstable.
Thanks Jan! CCing the Debian bug for posterity.
Mauro, Perhaps you
On 09.11.12 at 10:05, philippe.simo...@swisscom.com wrote:
Since it looks like this got stalled again, attached is a slightly
extended version of Keir's debugging patch, allowing to rule out
any inconsistencies of the globals between the first and second
instances of the two invocations of
AM
To: Simonet Philippe, ITS-OUS-OP-IFM-NW-IPE; Keir Fraser
Cc: 599...@bugs.debian.org; mrsan...@gmail.com; Ian Campbell; xen-
de...@lists.xen.org
Subject: Re: [Xen-devel] #599161: Xen debug patch for the clock
shifts by 50 minutes bug.
On 07.11.12 at 18:40, Keir Fraser k
On 09.11.12 at 10:05, philippe.simo...@swisscom.com wrote:
oops, excuse me, here is a description : I have the problem on 4 systems,
all with same hardware.
the problem occured on each system, 1 time each 2 month in average. since
January 2012, I decided to reboot them all monthly,
and
On 9 November 2012 10:47, Jan Beulich jbeul...@suse.com wrote:
On 09.11.12 at 10:05, philippe.simo...@swisscom.com wrote:
oops, excuse me, here is a description : I have the problem on 4 systems,
all with same hardware.
the problem occured on each system, 1 time each 2 month in average. since
On 07.11.12 at 18:40, Keir Fraser k...@xen.org wrote:
On 07/11/2012 13:22, Ian Campbell i...@hellion.org.uk wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask=
On 08/11/2012 09:39, Jan Beulich jbeul...@suse.com wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask= tsc=e3839fd23854
tsc_stamp=e3839fcb0273
(below is the complete xm dmesg
On Wed, 2012-11-07 at 17:40 +, Keir Fraser wrote:
On 07/11/2012 13:22, Ian Campbell i...@hellion.org.uk wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask=
On 08/11/2012 11:43, Ian Campbell i...@hellion.org.uk wrote:
I'll leave this to Keir (who wrote the debugging patch) to answer but it
looks to me like it should be useful!
I'm scratching my head. plt_wrap is earlier than plt_now, which should be
impossible.
impossible due to guarantees
08, 2012 10:40 AM
To: Simonet Philippe, ITS-OUS-OP-IFM-NW-IPE; Keir Fraser
Cc: 599...@bugs.debian.org; mrsan...@gmail.com; Ian Campbell; xen-
de...@lists.xen.org
Subject: Re: [Xen-devel] #599161: Xen debug patch for the clock shifts by 50
minutes bug.
On 07.11.12 at 18:40, Keir Fraser k
On 08.11.12 at 11:38, Keir Fraser k...@xen.org wrote:
On 08/11/2012 09:39, Jan Beulich jbeul...@suse.com wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask= tsc=e3839fd23854
On 08/11/2012 13:53, Jan Beulich jbeul...@suse.com wrote:
Is it? My understanding was that plt_stamp64 is just a software
extension to the more narrow HW counter, and hence the low
plt_mask bits would always be expected to be identical.
No, plt_stamp is simply the HW counter time at which
On 07/11/2012 17:40, Keir Fraser k...@xen.org wrote:
On 07/11/2012 13:22, Ian Campbell i...@hellion.org.uk wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask= tsc=e3839fd23854
On Thu, 2012-11-08 at 12:54 +, Keir Fraser wrote:
On 08/11/2012 11:43, Ian Campbell i...@hellion.org.uk wrote:
I'll leave this to Keir (who wrote the debugging patch) to answer but it
looks to me like it should be useful!
I'm scratching my head. plt_wrap is earlier than plt_now,
]
Sent: Thursday, November 08, 2012 10:40 AM
To: Simonet Philippe, ITS-OUS-OP-IFM-NW-IPE; Keir Fraser
Cc: 599...@bugs.debian.org; mrsan...@gmail.com; Ian Campbell; xen-
de...@lists.xen.org
Subject: Re: [Xen-devel] #599161: Xen debug patch for the clock shifts by
50
minutes bug
On 08/11/2012 14:28, Ian Campbell i...@hellion.org.uk wrote:
There appears to be a certain amount of hardware-specificness to the
issue -- so I'm wondering if maybe there are some platforms whose tsc is
not as monotonically increasing as it needs to be...
plt_* timestamps are not derived
On 8 November 2012 14:47, philippe.simo...@swisscom.com wrote:
Hi Mauro,
that's a question for you :
Philippe, could you clarify again what CPU model(s) this is being observed on
(the long times between individual steps forward with this problem perhaps
warrant repeating the basics each
On 08/11/2012 16:45, Tim Deegan t...@xen.org wrote:
I wonder whether the overflow handling should just be removed, or made
conditional on a command-line parameter, or on the 32-bit platform counter
being at least somewhat likely to overflow before a softirq occurs -- it
seems lots of systems
At 09:39 + on 08 Nov (1352367592), Jan Beulich wrote:
The plt_wrap plt_now thing of course is entirely unexplainable
to me too: Considering that plt_scale doesn't change at all post-
boot, apart from memory corruption I could only see an memory
access ordering problem to be the reason
: 599...@bugs.debian.org
Subject: [Xen-devel] #599161: Xen debug patch for the clock shifts by 50
minutes bug.
Hi all,
I've BCC'd a number of people who have reported seeing this bug at various
times in the past.
If you can still repro I'd appreciate it if you could give the patch in
http
-
From: xen-devel-boun...@lists.xen.org [mailto:xen-devel-
boun...@lists.xen.org] On Behalf Of Ian Campbell
Sent: Friday, October 26, 2012 3:00 PM
To: xen-de...@lists.xen.org
Cc: 599...@bugs.debian.org
Subject: [Xen-devel] #599161: Xen debug patch for the clock shifts by 50
minutes bug
On 07.11.12 at 11:10, philippe.simo...@swisscom.com wrote:
i compiled a patched hypervisor for Mauro, it is running since many days
and the overflow occured,
without clock jumps
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c
On 07/11/2012 13:22, Ian Campbell i...@hellion.org.uk wrote:
(XEN) XXX plt_overflow: plt_now=5ece12d34128 plt_wrap=5ece12d09306
now=5ece12d16292 old_stamp=35c7c new_stamp=800366a5
plt_stamp64=15b800366a5 plt_mask= tsc=e3839fd23854
tsc_stamp=e3839fcb0273
(below is the complete xm
On Fri, 2012-10-26 at 19:25 +0100, Mauro wrote:
On 26 October 2012 14:59, Ian Campbell i...@hellion.org.uk wrote:
Hi all,
I've BCC'd a number of people who have reported seeing this bug at
various times in the past.
If you can still repro I'd appreciate it if you could give the patch
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