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[Bug 1702621] Re: colo: secondary vm crash during loadvm
From: |
Launchpad Bug Tracker |
Subject: |
[Bug 1702621] Re: colo: secondary vm crash during loadvm |
Date: |
Sat, 09 Jan 2021 04:17:48 -0000 |
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1702621
Title:
colo: secondary vm crash during loadvm
Status in QEMU:
Expired
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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