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Re: [Qemu-devel] [Bug 1768246] [NEW] cpu-exec.c:648: cpu_loop_exec_tb: A
From: |
John Paul Adrian Glaubitz |
Subject: |
Re: [Qemu-devel] [Bug 1768246] [NEW] cpu-exec.c:648: cpu_loop_exec_tb: Assertion `use_icount' failed. |
Date: |
Tue, 01 May 2018 21:04:44 -0000 |
On 05/01/2018 05:31 PM, Alex Bennée wrote:
>> Haven't bi-sected the issue yet, but will do so later.
>
> Hmm that's ominous - arguably the assert should be inside the
> CONFIG_USER but I'm not sure how you get to the point where icount isn't
> < 0 after receiving a TB_EXIT_REQUESTED.
git bisect yielded this:
4834871bc95b67343248100e2a75ae0d287bc08b is the first bad commit
commit 4834871bc95b67343248100e2a75ae0d287bc08b
Author: Richard Henderson <address@hidden>
Date: Thu Sep 7 11:50:54 2017 -0700
target/sh4: Convert to DisasJumpType
Signed-off-by: Richard Henderson <address@hidden>
Message-Id: <address@hidden>
[aurel32: fix whitespace]
Signed-off-by: Aurelien Jarno <address@hidden>
:040000 040000 6e0e67cc5d0eb5ef461510d314c6af43eecc08bb
aa3399c893c49e6fafda157181cf10f8fbcd0a72 M target
--
.''`. John Paul Adrian Glaubitz
: :' : Debian Developer - address@hidden
`. `' Freie Universitaet Berlin - address@hidden
`- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
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https://bugs.launchpad.net/bugs/1768246
Title:
cpu-exec.c:648: cpu_loop_exec_tb: Assertion `use_icount' failed.
Status in QEMU:
New
Bug description:
OpenJDK no longer works on qemu-sh4, it previously did after #1735384
was fixed.
Crash indicates an assertion failure:
(sid-sh4-sbuild)address@hidden:/# java --version
qemu-sh4-static: /root/qemu/accel/tcg/cpu-exec.c:648: cpu_loop_exec_tb:
Assertion `use_icount' failed.
qemu: uncaught target signal 6 (Aborted) - core dumped
Aborted
(sid-sh4-sbuild)address@hidden:/#
Haven't bi-sected the issue yet, but will do so later.
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