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Diffstat (limited to 'results/scraper/launchpad-without-comments/1404690')
| -rw-r--r-- | results/scraper/launchpad-without-comments/1404690 | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/results/scraper/launchpad-without-comments/1404690 b/results/scraper/launchpad-without-comments/1404690 new file mode 100644 index 000000000..8b897db8c --- /dev/null +++ b/results/scraper/launchpad-without-comments/1404690 @@ -0,0 +1,38 @@ +Qemu crashes with chrooted m68k + +I'm using qemu-m68k 2.2.0 to chroot into a m68k coldfire linux, which works fine on the coldfire machine. + +I've been able to use binfmt_msc and used the above code to use qemu with strace: + +#include <unistd.h> +#include <string.h> + +int main(int argc, char **argv, char **envp) { + char *newargv[argc + 4]; + + newargv[0] = argv[0]; + newargv[1] = "-cpu"; + newargv[2] = "cfv4e"; + newargv[3] = "-strace"; + + memcpy(&newargv[4], &argv[1], sizeof(*argv) * (argc - 1)); + newargv[argc + 3] = NULL; + return execve("/usr/bin/qemu-m68k", newargv, envp); +} + +Everything works fine. I can run bash, busybox, ash, but when I try to run a ls or just type an invalid command, I got the attached sequence of messages, which end like so: + +11351 waitpid(-1,0xf6fffa00,0x3) = -1 errno=10 (No child processes) +qemu: fatal: Illegal instruction: 0000 @ f6fffa30 +D0 = ffffffff A0 = f67dcf50 F0 = 0000000000000000 ( 0) +D1 = 0000000a A1 = f66e0898 F1 = 0000000000000000 ( 0) +D2 = f6fffaa8 A2 = f67df268 F2 = 0000000000000000 ( 0) +D3 = 00000000 A3 = 00000000 F3 = 0000000000000000 ( 0) +D4 = 00000008 A4 = 800026c4 F4 = 0000000000000000 ( 0) +D5 = 00000000 A5 = f67d98e0 F5 = 0000000000000000 ( 0) +D6 = f6fffaa8 A6 = f6fffa7c F6 = 0000000000000000 ( 0) +D7 = 00000002 A7 = f6fffa24 F7 = 0000000000000000 ( 0) +PC = f6fffa30 SR = 0000 ----- FPRESULT = 0 +Aborted + +How can I debug it further to try to figure out if this is a qemu issue or not? Thanks \ No newline at end of file |