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[Qemu-devel] [Bug 1828429] Re: qemu-system-aarch64 crashes with assertio
From: |
Brett Neumeier |
Subject: |
[Qemu-devel] [Bug 1828429] Re: qemu-system-aarch64 crashes with assertion failed while running GCC 9 test suite |
Date: |
Thu, 09 May 2019 16:00:55 -0000 |
*** This bug is a duplicate of bug 1824853 ***
https://bugs.launchpad.net/bugs/1824853
Confirmed, this is a duplicate of 1824853 and is resolved in
68a7b9724fe80bedb85060bde605213ce3f9baec.
** This bug has been marked a duplicate of bug 1824853
4.0.0-rc3 crashes with tcg/tcg.c:3952: tcg_gen_code: Assertion
`s->gen_insn_end_off[num_insns] == off' failed
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https://bugs.launchpad.net/bugs/1828429
Title:
qemu-system-aarch64 crashes with assertion failed while running GCC 9
test suite
Status in QEMU:
New
Bug description:
I am using QEMU 4.0.0 on an x86_64 Linux 4.19.0 host, the guest is an
Aarch64 linux 5.0.0 system. The same issue occurred on QEMU 3.1.0.
While running the GCC 9.1 test suite on the guest system, QEMU crashes
with:
qemu-system-aarch64: [...]/qemu-4.0.0/tcg/tcg.c:3952: tcg_gen_code:
Assertion `s->gen_insn_end_off[num_insns] == off' failed.
I am able to reproduce the issue reliably, which is encouraging. The
full QEMU command line is:
qemu-system-aarch64 -kernel kernel-5.0.0cbl1 -append "root=/dev/vda1
ro init=/sbin/init console=ttyAMA0" -name guest=cbl -drive
file=cbl.qcow2,index=0,media=disk,format=qcow2 -drive
file=swap.qcow2,index=1,media=disk,format=qcow2 -machine virt -cpu
cortex-a57 -smp 4,sockets=1,cores=2,threads=2 -m size=8192 -netdev
tap,id=network0,ifname=tapcbl2,script=no,downscript=no -device virtio-
net-device,netdev=network0,mac=aa:bb:cc:dd:ee:02 -nographic
The specific GCC test that causes QEMU to crash is vldX.c run from
advsimd-intrinsics.exp; I can reproduce via "make check-gcc
RUNTESTFLAGS=advsimd-intrinsics.exp=vldX.c"
If there is anything I can do to further triage the issue, or gain
more insight into what is going on, please let me know! I am eager to
help however I can.
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