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Diffstat (limited to 'results/classifier/105/graphic/2259')
| -rw-r--r-- | results/classifier/105/graphic/2259 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/results/classifier/105/graphic/2259 b/results/classifier/105/graphic/2259 new file mode 100644 index 000000000..eda8fbced --- /dev/null +++ b/results/classifier/105/graphic/2259 @@ -0,0 +1,27 @@ +graphic: 0.734 +device: 0.725 +instruction: 0.629 +semantic: 0.472 +network: 0.448 +vnc: 0.436 +socket: 0.412 +boot: 0.320 +mistranslation: 0.309 +other: 0.273 +KVM: 0.084 +assembly: 0.052 + +The cause code of a trap changes when qemu is nested in another qemu +Description of problem: +I am studying the feasibility of doing some practical work on RISCV plates. Since I don't have these boards yet, I'm emulating it with qemu. The practice in turn consists of launching with qemu a very small operating system with two tasks that make a series of system calls. + +When I run this practice on my host it works correctly, but when I run it on an Ubuntu emulated in riscv with qemu, the cause code for the trap changes (the first bit of the code). + +The demo can be found in this repository: https://github.com/Sft570/qemu-bug-report +Steps to reproduce: +1. Clone the repository on the host and run the demo with "make qemu" +2. Emulate with qemu ubuntu in riscv, clone the repository and run the demo with "make qemu". + +The error displayed shows the change of the cause code bit. You can analyze its behavior in the trap.c file in the src folder. +Additional information: + |