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Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-c
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue |
Date: |
Thu, 12 Nov 2015 15:22:17 +0100 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Peter Maydell <address@hidden> wrote:
> On 12 November 2015 at 13:18, Peter Maydell <address@hidden> wrote:
>> On 12 November 2015 at 13:08, Dr. David Alan Gilbert
>> <address@hidden> wrote:
>>> OK, can you try a simple migration by hand outside of the test harness;
>>> just something simple like:
>>>
>>> ./bin/qemu-system-x86_64 -M pc -nographic
>>> (qemu) migrate "exec: cat > /dev/null"
>>>
>>> and the same with q35 ?
>>
>> (qemu) migrate "exec: cat > /dev/null"
>> migrate_get_current do init of current_migration 65307
>> unqueue_page 65307
>> 0 qemu-system-x86_64 0x00000001067c01c3 qemu_mutex_lock +
>> 83
>
> This turns out to be because migrate_init() is corrupting the
> mutex memory when it does "memset(s, 0, sizeof(*s))". Presumably
> Linux's initialized-mutex is all-zeroes, but OSX's is not.
grrr, that is probably the case. Thanks for pinponting this.
>
> thanks
> -- PMM
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, (continued)
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Peter Maydell, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Peter Maydell, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Peter Maydell, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Peter Maydell, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Juan Quintela, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Dr. David Alan Gilbert, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue,
Juan Quintela <=
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Markus Armbruster, 2015/11/12
- Re: [Qemu-devel] [PULL 42/57] Page request: Consume pages off the post-copy queue, Andreas Färber, 2015/11/16
[Qemu-devel] [PULL 43/57] postcopy_ram.c: place_page and helpers, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 45/57] postcopy: Check order of received target pages, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 46/57] Don't sync dirty bitmaps in postcopy, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 51/57] Start up a postcopy/listener thread ready for incoming page data, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 50/57] Postcopy; Handle userfault requests, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 49/57] Round up RAMBlock sizes to host page sizes, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 52/57] postcopy: Wire up loadvm_postcopy_handle_ commands, Juan Quintela, 2015/11/10
[Qemu-devel] [PULL 47/57] Don't iterate on precopy-only devices during postcopy, Juan Quintela, 2015/11/10