diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/0013-cpus.c-Add-error-messages-when-qemi_cpu_kick_thread-.patch')
-rw-r--r-- | meta/recipes-devtools/qemu/qemu/0013-cpus.c-Add-error-messages-when-qemi_cpu_kick_thread-.patch | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/0013-cpus.c-Add-error-messages-when-qemi_cpu_kick_thread-.patch b/meta/recipes-devtools/qemu/qemu/0013-cpus.c-Add-error-messages-when-qemi_cpu_kick_thread-.patch deleted file mode 100644 index 27e508c5a3..0000000000 --- a/meta/recipes-devtools/qemu/qemu/0013-cpus.c-Add-error-messages-when-qemi_cpu_kick_thread-.patch +++ /dev/null | |||
@@ -1,74 +0,0 @@ | |||
1 | From 861c522df7791d7e93743d5641f3ef2a5a3c4632 Mon Sep 17 00:00:00 2001 | ||
2 | From: =?UTF-8?q?An=C3=ADbal=20Lim=C3=B3n?= <anibal.limon@linux.intel.com> | ||
3 | Date: Wed, 12 Aug 2015 15:11:30 -0500 | ||
4 | Subject: [PATCH] cpus.c: Add error messages when qemi_cpu_kick_thread fails. | ||
5 | MIME-Version: 1.0 | ||
6 | Content-Type: text/plain; charset=UTF-8 | ||
7 | Content-Transfer-Encoding: 8bit | ||
8 | |||
9 | Add custom_debug.h with function for print backtrace information. | ||
10 | When pthread_kill fails in qemu_cpu_kick_thread display backtrace and | ||
11 | current cpu information. | ||
12 | |||
13 | Upstream-Status: Inappropriate | ||
14 | Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com> | ||
15 | |||
16 | --- | ||
17 | cpus.c | 5 +++++ | ||
18 | custom_debug.h | 24 ++++++++++++++++++++++++ | ||
19 | 2 files changed, 29 insertions(+) | ||
20 | create mode 100644 custom_debug.h | ||
21 | |||
22 | diff --git a/cpus.c b/cpus.c | ||
23 | index 0ddeeefc..4f3a5624 100644 | ||
24 | --- a/cpus.c | ||
25 | +++ b/cpus.c | ||
26 | @@ -1768,6 +1768,8 @@ static void *qemu_tcg_cpu_thread_fn(void *arg) | ||
27 | return NULL; | ||
28 | } | ||
29 | |||
30 | +#include "custom_debug.h" | ||
31 | + | ||
32 | static void qemu_cpu_kick_thread(CPUState *cpu) | ||
33 | { | ||
34 | #ifndef _WIN32 | ||
35 | @@ -1780,6 +1782,9 @@ static void qemu_cpu_kick_thread(CPUState *cpu) | ||
36 | err = pthread_kill(cpu->thread->thread, SIG_IPI); | ||
37 | if (err) { | ||
38 | fprintf(stderr, "qemu:%s: %s", __func__, strerror(err)); | ||
39 | + fprintf(stderr, "CPU #%d:\n", cpu->cpu_index); | ||
40 | + cpu_dump_state(cpu, stderr, fprintf, 0); | ||
41 | + backtrace_print(); | ||
42 | exit(1); | ||
43 | } | ||
44 | #else /* _WIN32 */ | ||
45 | diff --git a/custom_debug.h b/custom_debug.h | ||
46 | new file mode 100644 | ||
47 | index 00000000..f029e455 | ||
48 | --- /dev/null | ||
49 | +++ b/custom_debug.h | ||
50 | @@ -0,0 +1,24 @@ | ||
51 | +#include <execinfo.h> | ||
52 | +#include <stdio.h> | ||
53 | +#define BACKTRACE_MAX 128 | ||
54 | +static void backtrace_print(void) | ||
55 | +{ | ||
56 | + int nfuncs = 0; | ||
57 | + void *buf[BACKTRACE_MAX]; | ||
58 | + char **symbols; | ||
59 | + int i; | ||
60 | + | ||
61 | + nfuncs = backtrace(buf, BACKTRACE_MAX); | ||
62 | + | ||
63 | + symbols = backtrace_symbols(buf, nfuncs); | ||
64 | + if (symbols == NULL) { | ||
65 | + fprintf(stderr, "backtrace_print failed to get symbols"); | ||
66 | + return; | ||
67 | + } | ||
68 | + | ||
69 | + fprintf(stderr, "Backtrace ...\n"); | ||
70 | + for (i = 0; i < nfuncs; i++) | ||
71 | + fprintf(stderr, "%s\n", symbols[i]); | ||
72 | + | ||
73 | + free(symbols); | ||
74 | +} | ||