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[Bug 1702621] Re: colo: secondary vm crash during loadvm
From: |
Thomas Huth |
Subject: |
[Bug 1702621] Re: colo: secondary vm crash during loadvm |
Date: |
Mon, 09 Nov 2020 18:07:02 -0000 |
The QEMU project is currently considering to move its bug tracking to another
system. For this we need to know which bugs are still valid and which could be
closed already. Thus we are setting older bugs to "Incomplete" now.
If you still think this bug report here is valid, then please switch the state
back to "New" within the next 60 days, otherwise this report will be marked as
"Expired". Thank you and sorry for the inconvenience.
** Changed in: qemu
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1702621
Title:
colo: secondary vm crash during loadvm
Status in QEMU:
Incomplete
Bug description:
Following document 'COLO-FT.txt', I test colo feature on my hosts. It seems
goes well. But after a while the secondary vm crash. The stack is as follows:
#0 0x00007f191456dc37 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f1914571028 in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f1914566bf6 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#3 0x00007f1914566ca2 in __assert_fail () from
/lib/x86_64-linux-gnu/libc.so.6
#4 0x0000564154ad9147 in pcibus_reset (qbus=0x564156760d10) at
../hw/pci/pci.c:311
#5 0x0000564154a07cdb in qbus_reset_one (bus=0x564156760d10, opaque=0x0) at
hw/core/qdev.c:319
#6 0x0000564154a0d721 in qbus_walk_children (bus=0x564156760d10,
pre_devfn=0, pre_busfn=0,
post_devfn=0x564154a07c26 <qdev_reset_one>, post_busfn=0x564154a07c6c
<qbus_reset_one>, opaque=0x0)
at hw/core/bus.c:68
#7 0x0000564154a08b4d in qdev_walk_children (dev=0x56415675f2b0,
pre_devfn=0, pre_busfn=0,
post_devfn=0x564154a07c26 <qdev_reset_one>, post_busfn=0x564154a07c6c
<qbus_reset_one>, opaque=0x0)
at hw/core/qdev.c:617
#8 0x0000564154a0d6e5 in qbus_walk_children (bus=0x564156594d30,
pre_devfn=0, pre_busfn=0,
post_devfn=0x564154a07c26 <qdev_reset_one>, post_busfn=0x564154a07c6c
<qbus_reset_one>, opaque=0x0)
at hw/core/bus.c:59
#9 0x0000564154a07df5 in qbus_reset_all (bus=0x564156594d30) at
hw/core/qdev.c:336
#10 0x0000564154a07e3a in qbus_reset_all_fn (opaque=0x564156594d30) at
hw/core/qdev.c:342
#11 0x0000564154a0e222 in qemu_devices_reset () at hw/core/reset.c:69
#12 0x00005641548b3b47 in pc_machine_reset () at
/vms/git/qemu/hw/i386/pc.c:2234
#13 0x0000564154972ca7 in qemu_system_reset (report=false) at vl.c:1697
#14 0x0000564154b9d007 in colo_process_incoming_thread
(opaque=0x5641553c1280) at migration/colo.c:617
#15 0x00007f1914907184 in start_thread () from
/lib/x86_64-linux-gnu/libpthread.so.0
#16 0x00007f1914634bed in clone () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) frame 4
#4 0x0000564154ad9147 in pcibus_reset (qbus=0x564156760d10) at
../hw/pci/pci.c:311
warning: Source file is more recent than executable.
311 assert(bus->irq_count[i] == 0);
(gdb) ^CQuit
(gdb) p bus->irq_count[i]
$1 = -1
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