From: Andrey Korolyov <andrey@xdel.ru>
To: Igor Mammedov <imammedo@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, ehabkost@redhat.com
Subject: Re: [Qemu-devel] Runtime-modified DIMMs and live migration issue
Date: Fri, 19 Jun 2015 19:57:22 +0300 [thread overview]
Message-ID: <CABYiri-LuYsffbf2xGnp2GKc1Ax8+ZDLcPRCtYarJoAvsGPWPg@mail.gmail.com> (raw)
In-Reply-To: <CABYiri8ZmXYsjo6Y8utLAh_BQzOov_1ue6wOjjecwU8zFds5PA@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 456 bytes --]
> I don`t think that it could be ACPI-related in any way, instead, it
> looks like race in vhost or simular mm-touching mechanism. The
> repeated hits you mentioned should be fixed as well indeed, but they
> can be barely the reason for this problem.
Please find a trace from a single dimm plugging in attached. The
configuration is -m 512 + three 512-Mb dimms on start, then a 512-Mb
dimm is plugged in, the NUMA topology is created with a single node0.
[-- Attachment #2: acpi-hp.txt --]
[-- Type: text/plain, Size: 2256 bytes --]
[ 94.751646]
**** Context Switch from TID 4294967295 to TID 496836688 ****
[ 94.755180] utils-0291 evaluate_integer : Return value [15]
[ 94.757146] bus-0130 bus_get_status : Device [MP00] status [0000000f]
[ 94.760755] acpi PNP0C80:00: Already enumerated
[ 94.762478] utils-0291 evaluate_integer : Return value [15]
[ 94.767924] bus-0130 bus_get_status : Device [MP01] status [0000000f]
[ 94.770232] acpi PNP0C80:01: Already enumerated
[ 94.771766] utils-0291 evaluate_integer : Return value [15]
[ 94.773867] bus-0130 bus_get_status : Device [MP02] status [0000000f]
[ 94.776149] acpi PNP0C80:02: Already enumerated
[ 94.777678] utils-0291 evaluate_integer : Return value [15]
[ 94.779669] bus-0130 bus_get_status : Device [MP03] status [0000000f]
[ 94.782686] scan-1144 get_device_data : No context for object [ffff88001d83fe50]
[ 94.785908] scan-1144 get_device_data : No context for object [ffff88001d83fe28]
[ 94.789194] scan-1144 get_device_data : No context for object [ffff88001d83fe00]
[ 94.792431] scan-1144 get_device_data : No context for object [ffff88001d83fdd8]
[ 94.795605] scan-1144 get_device_data : No context for object [ffff88001d83fdb0]
[ 94.798956] scan-1144 get_device_data : No context for object [ffff88001d83fd88]
[ 94.802337] utils-0291 evaluate_integer : Return value [15]
[ 94.804961] bus-0130 bus_get_status : Device [MP03] status [0000000f]
[ 94.807953] device_pm-0128 device_get_power : Device [MP03] power state is D0
[ 94.811318] utils-0291 evaluate_integer : Return value [15]
[ 94.814056] utils-0291 evaluate_integer : Return value [0]
[ 94.816629] init_memory_mapping: [mem 0x160000000-0x17fffffff]
[ 94.818714] [mem 0x160000000-0x17fffffff] page 2M
[ 94.819539] [ffffea0004c00000-ffffea0004dfffff] PMD -> [ffff88001b800000-ffff88001b9fffff] on node 0
[ 94.823406] [ffffea0004e00000-ffffea0004ffffff] PMD -> [ffff88001aa00000-ffff88001abfffff] on node 0
[ 94.827062] [ffffea0005000000-ffffea00051fffff] PMD -> [ffff880000400000-ffff8800005fffff] on node 0
next prev parent reply other threads:[~2015-06-19 16:57 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-11 17:14 [Qemu-devel] Runtime-modified DIMMs and live migration issue Andrey Korolyov
2015-06-14 13:16 ` Andrey Korolyov
2015-06-15 11:11 ` Andrey Korolyov
2015-06-16 14:41 ` Andrey Korolyov
2015-06-17 14:52 ` Igor Mammedov
2015-06-17 15:32 ` Andrey Korolyov
2015-06-19 16:57 ` Andrey Korolyov [this message]
2015-06-19 20:02 ` Andrey Korolyov
2015-08-18 14:51 ` Andrey Korolyov
2015-09-03 19:22 ` Andrey Korolyov
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