Re: [Qemu-devel] [Bug 1768246] [NEW] cpu-exec.c:648: cpu_loop_exec_tb: Assertion `use_icount' failed.

[John Paul Adrian Glaubitz]

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

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
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.

To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1768246/+subscriptions