I've confirmed with Seeteena and this bug was fixed by commit
https://git.qemu.org/?p=qemu.git;a=commit;h=c0dd10991903c552811d8cbe9231055b1b3a7ebd
commit c0dd10991903c552811d8cbe9231055b1b3a7ebd
Author: Seeteena Thoufeek <s1see...@linux.vnet.ibm.com>
Date: Mon Sep 4 13:13:51 2017 +0530
vl: exit if maxcpus is negative
** Changed in: qemu
Status: New => Fix Released
** Changed in: qemu
Assignee: (unassigned) => Murilo Opsfelder Araújo (mopsfelder)
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https://bugs.launchpad.net/bugs/1713516
Title:
qemu crashes with "GLib-ERROR **: gmem.c" error when a negative value
passed to smp threads, cores
Status in QEMU:
Fix Released
Bug description:
After fixing other bug,
https://bugs.launchpad.net/qemu/+bug/1713408
with the proposed patch
http://lists.nongnu.org/archive/html/qemu-devel/2017-08/msg05357.html
When tried smp core and thread as negative numbers seeing the
following similar error. There is a need to fix for the following.
Instead of fixing it for every variable/argument. Is there a common
place to fix all of these issues?
cloned today's git (i.e. 28th Aug 2017)
# ppc64-softmmu/qemu-system-ppc64 --nographic -vga none -machine
pseries,accel=kvm,kvm-type=HV -m size=200g -device virtio-blk-
pci,drive=rootdisk -drive file=/home/nasastry/avocado-fvt-wrapper/data
/avocado-
vt/images/pegas-1.0-ppc64le.qcow2,if=none,cache=none,id=rootdisk,format=qcow2
-monitor telnet:127.0.0.1:1234,server,nowait -net nic,model=virtio
-net user -device nec-usb-xhci -smp 8,cores=-1,threads=-1,maxcpus=12
(process:27477): GLib-ERROR **: gmem.c:130: failed to allocate
18446744073709550568 bytes
Trace/breakpoint trap
[New Thread 0x3fffb63deb60 (LWP 27731)]
[New Thread 0x3fffb5aceb60 (LWP 27734)]
(process:27726): GLib-ERROR **: gmem.c:130: failed to allocate
18446744073709550568 bytes
Program received signal SIGTRAP, Trace/breakpoint trap.
0x00003fffb75e5408 in raise () from /lib64/libpthread.so.0
Missing separate debuginfos, use: debuginfo-install
glib2-2.50.3-3.el7.ppc64le glibc-2.17-196.el7.ppc64le
gnutls-3.3.26-9.el7.ppc64le krb5-libs-1.15.1-8.el7.ppc64le
libgcc-4.8.5-16.el7.ppc64le libstdc++-4.8.5-16.el7.ppc64le
ncurses-libs-5.9-13.20130511.el7.ppc64le nss-3.28.4-8.el7.ppc64le
nss-softokn-freebl-3.28.3-6.el7.ppc64le nss-util-3.28.4-3.el7.ppc64le
openldap-2.4.44-5.el7.ppc64le openssl-libs-1.0.2k-8.el7.ppc64le
p11-kit-0.23.5-3.el7.ppc64le
(gdb) bt
#0 0x00003fffb75e5408 in raise () from /lib64/libpthread.so.0
#1 0x00003fffb796be9c in _g_log_abort () from /lib64/libglib-2.0.so.0
#2 0x00003fffb796d4c4 in g_log_default_handler () from
/lib64/libglib-2.0.so.0
#3 0x00003fffb796d86c in g_logv () from /lib64/libglib-2.0.so.0
#4 0x00003fffb796db00 in g_log () from /lib64/libglib-2.0.so.0
#5 0x00003fffb796b694 in g_malloc0 () from /lib64/libglib-2.0.so.0
#6 0x000000001018fa84 in spapr_possible_cpu_arch_ids (machine=0x111651e0) at
/home/nasastry/upstream/qemu/hw/ppc/spapr.c:3322
#7 0x000000001018b444 in spapr_init_cpus (spapr=0x111651e0) at
/home/nasastry/upstream/qemu/hw/ppc/spapr.c:2096
#8 0x000000001018bc6c in ppc_spapr_init (machine=0x111651e0) at
/home/nasastry/upstream/qemu/hw/ppc/spapr.c:2275
#9 0x000000001041ca80 in machine_run_board_init (machine=0x111651e0) at
hw/core/machine.c:760
#10 0x0000000010377284 in main (argc=22, argv=0x3ffffffff128,
envp=0x3ffffffff1e0) at vl.c:4638
(gdb) i r
r0 0xfa 250
r1 0x3fffffffe470 70368744170608
r2 0x3fffb7608100 70367525765376
r3 0x0 0
r4 0x6c4e 27726
r5 0x5 5
r6 0x0 0
r7 0x3fffa8000020 70367267782688
r8 0x6c4e 27726
r9 0x0 0
r10 0x0 0
r11 0x0 0
r12 0x0 0
r13 0x3fffb64fccb0 70367507893424
r14 0x0 0
r15 0x0 0
r16 0x0 0
r17 0x0 0
r18 0x1 1
r19 0x0 0
r20 0x3fffb796d3f0 70367529325552
r21 0x0 0
r22 0x20000000 536870912
r23 0x1 1
r24 0x3fffb7a61498 70367530325144
r25 0x3fffb7a614e8 70367530325224
r26 0x3fffb7a61488 70367530325128
r27 0x3fffa80008c0 70367267784896
r28 0x3fffb79cd2a8 70367529718440
r29 0x3fffb79cd2a8 70367529718440
r30 0xffffffffffffffff 18446744073709551615
r31 0x1 1
pc 0x3fffb75e5408 0x3fffb75e5408 <raise+56>
msr 0x900000000000d033 10376293541461676083
cr 0x42244842 1109674050
lr 0x3fffb796be9c 0x3fffb796be9c <_g_log_abort+60>
ctr 0x0 0
xer 0x0 0
orig_r3 0x6c4e 27726
trap 0xc00 3072
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