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From: Alex Williamson <alex.williamson@redhat.com>
To: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: qemu-devel@nongnu.org, qemu-s390x <qemu-s390x@nongnu.org>,
	Peter Maydell <peter.maydell@linaro.org>
Subject: Re: [Qemu-devel] [PULL 1/4] balloon: Allow multiple inhibit users
Date: Wed, 22 Aug 2018 11:47:09 -0600	[thread overview]
Message-ID: <20180822114709.1710d6c5@t450s.home> (raw)
In-Reply-To: <482037fb-60d0-eb3b-a798-4ce5f478bd69@de.ibm.com>

On Wed, 22 Aug 2018 17:56:12 +0200
Christian Borntraeger <borntraeger@de.ibm.com> wrote:

> This breaks qemu-io test for me.
> 
> #0  0x000003ff98f3e2d4 in raise () at /lib64/libc.so.6
> #1  0x000003ff98f239a8 in abort () at /lib64/libc.so.6
> #2  0x000003ff98f3632e in __assert_fail_base () at /lib64/libc.so.6
> #3  0x000003ff98f363ac in  () at /lib64/libc.so.6
> #4  0x000000000108301a in qemu_balloon_inhibit (state=state@entry=false) at /home/cborntra/REPOS/qemu/balloon.c:56
> #5  0x00000000012026f2 in postcopy_ram_incoming_cleanup (mis=mis@entry=0x163bc5c0) at /home/cborntra/REPOS/qemu/migration/postcopy-ram.c:542
> #6  0x00000000011eed5e in process_incoming_migration_co (opaque=<optimized out>) at /home/cborntra/REPOS/qemu/migration/migration.c:407
> #7  0x0000000001374000 in coroutine_trampoline (i0=<optimized out>, i1=<optimized out>) at /home/cborntra/REPOS/qemu/util/coroutine-ucontext.c:116
> #8  0x000003ff98f53c02 in __makecontext_ret () at /lib64/libc.so.6
> 
> Cant see right now whats wrong.

I'd have to guess it's the assert added to verify increments and
decrements are balanced, which suggests postcopy is de-inhibiting more
than it's inhibiting :-\  Thanks,

Alex

  reply	other threads:[~2018-08-22 17:53 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-17 17:08 [Qemu-devel] [PULL 0/4] VFIO update 2018-08-17 Alex Williamson
2018-08-17 17:08 ` [Qemu-devel] [PULL 1/4] balloon: Allow multiple inhibit users Alex Williamson
2018-08-22 15:56   ` Christian Borntraeger
2018-08-22 17:47     ` Alex Williamson [this message]
2018-08-22 19:01       ` Alex Williamson
2018-08-23  8:10         ` Cornelia Huck
2018-08-17 17:08 ` [Qemu-devel] [PULL 2/4] kvm: Use inhibit to prevent ballooning without synchronous mmu Alex Williamson
2018-08-17 17:08 ` [Qemu-devel] [PULL 3/4] vfio: Inhibit ballooning based on group attachment to a container Alex Williamson
2018-08-17 17:08 ` [Qemu-devel] [PULL 4/4] vfio/ccw/pci: Allow devices to opt-in for ballooning Alex Williamson
2018-08-20 14:23   ` Peter Maydell
2018-08-20 14:55     ` Alex Williamson
2018-08-20  8:47 ` [Qemu-devel] [PULL 0/4] VFIO update 2018-08-17 Peter Maydell

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