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Re: [Xen-devel] [PATCH v2 00/48] xen: add core scheduling support
- To: Juergen Gross <jgross@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- From: Sergey Dyasli <sergey.dyasli@xxxxxxxxxx>
- Date: Thu, 15 Aug 2019 11:17:39 +0100
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- Cc: "sergey.dyasli@xxxxxxxxxx >> Sergey Dyasli" <sergey.dyasli@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, Andrew Cooper <Andrew.Cooper3@xxxxxxxxxx>, "Tim \(Xen.org\)" <tim@xxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxx>, Robert VanVossen <robert.vanvossen@xxxxxxxxxxxxxxx>, Dario Faggioli <dfaggioli@xxxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Josh Whitehead <josh.whitehead@xxxxxxxxxxxxxxx>, Meng Xu <mengxu@xxxxxxxxxxxxx>, Jan Beulich <jbeulich@xxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monne <roger.pau@xxxxxxxxxx>
- Delivery-date: Thu, 15 Aug 2019 10:18:06 +0000
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- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
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Hi Juergen,
The latest round of testing revealed the following 3 Xen crashes:
1. vcpu_sleep_sync() <-- vlapic_init_sipi_action()
This was seen multiple times. It tends to happen on large Windows Server
VMs (>= 12 vCPUs).
https://paste.debian.net/1095844/
2. vcpu_sleep_sync() <-- vcpu_set_periodic_timer() <-- pv_hypercall()
This was seen on Sles 11.4 PV VM with 32 vCPUs and 6GB RAM
https://paste.debian.net/1095843/
3. ACPI S5: schedule.c#sched_slave()
This one was during shutdown again.
https://paste.debian.net/1095845/
There also were a number of Dom0 soft-lockups (together with RCU stalls)
but unfortunately our crashdump tool was a bit broken so full Dom0 kernel
logs were not captured this time.
And CentOS 5.11 suspend regression (as reported previously) is still
present.
Thanks,
Sergey
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