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Error reporting patches for 2024-05-27 

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Merge tag 'pull-error-2024-05-27' of https://repo.or.cz/qemu/armbru into staging

Error reporting patches for 2024-05-27

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# gpg: Signature made Mon 27 May 2024 04:01:51 AM PDT
# gpg:                using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg:                issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg:                 aka "Markus Armbruster <armbru@pond.sub.org>" [full]

* tag 'pull-error-2024-05-27' of https://repo.or.cz/qemu/armbru:
  qerror: QERR_QGA_COMMAND_FAILED is no longer used, drop
  qga: Shorten several error messages
  qga-win32: Improve guest-set-user-password, guest-file-open errors
  qerror: QERR_IO_ERROR is no longer used, drop
  migration: Rephrase message on failure to save / load Xen device state
  cpus: Improve error messages on memsave, pmemsave write error
  block/vmdk: Improve error messages on extent write error
  dump/win_dump: Improve error messages on write error
  block: Improve error message when external snapshot can't flush

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2024-05-27 06:40:42 -07:00
parent 60b54b67c6 2020337239
commit ad10b4badc
8 changed files with 38 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
block/vmdk.c
View File

@ -28,7 +28,6 @@
#include "block/block_int.h"
#include "sysemu/block-backend.h"
#include "qapi/qmp/qdict.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
#include "qemu/module.h"
#include "qemu/option.h"
@ -2278,12 +2277,12 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
/* write all the data */
ret = blk_co_pwrite(blk, 0, sizeof(magic), &magic, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK magic");
goto exit;
}
ret = blk_co_pwrite(blk, sizeof(magic), sizeof(header), &header, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK header");
goto exit;
}
@ -2303,7 +2302,7 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
ret = blk_co_pwrite(blk, le64_to_cpu(header.rgd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret, "failed to write VMDK grain directory");
goto exit;
}
@ -2315,7 +2314,8 @@ vmdk_init_extent(BlockBackend *blk, int64_t filesize, bool flat, bool compress,
ret = blk_co_pwrite(blk, le64_to_cpu(header.gd_offset) * BDRV_SECTOR_SIZE,
gd_buf_size, gd_buf, 0);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, -ret,
"failed to write VMDK backup grain directory");
}
ret = 0;

6
blockdev.c
View File

@ -1406,8 +1406,10 @@ static void external_snapshot_action(TransactionAction *action,
}
if (!bdrv_is_read_only(state->old_bs)) {
if (bdrv_flush(state->old_bs)) {
error_setg(errp, QERR_IO_ERROR);
ret = bdrv_flush(state->old_bs);
if (ret < 0) {
error_setg_errno(errp, -ret, "Write to node '%s' failed",
bdrv_get_device_or_node_name(state->old_bs));
return;
}
}

7
dump/win_dump.c
View File

@ -12,7 +12,6 @@
#include "sysemu/dump.h"
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "qapi/qmp/qerror.h"
#include "exec/cpu-defs.h"
#include "hw/core/cpu.h"
#include "qemu/win_dump_defs.h"
@ -52,6 +51,7 @@ static size_t write_run(uint64_t base_page, uint64_t page_count,
uint64_t addr = base_page << TARGET_PAGE_BITS;
uint64_t size = page_count << TARGET_PAGE_BITS;
uint64_t len, l;
int eno;
size_t total = 0;
while (size) {
@ -65,9 +65,10 @@ static size_t write_run(uint64_t base_page, uint64_t page_count,
}
l = qemu_write_full(fd, buf, len);
eno = errno;
cpu_physical_memory_unmap(buf, addr, false, len);
if (l != len) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, eno, "win-dump: failed to save memory");
return 0;
}
@ -459,7 +460,7 @@ void create_win_dump(DumpState *s, Error **errp)
s->written_size = qemu_write_full(s->fd, h, hdr_size);
if (s->written_size != hdr_size) {
error_setg(errp, QERR_IO_ERROR);
error_setg_errno(errp, errno, "win-dump: failed to write header");
goto out_restore;
}

6
include/qapi/qmp/qerror.h
View File

@ -20,18 +20,12 @@
#define QERR_INVALID_PARAMETER_VALUE \
"Parameter '%s' expects %s"
#define QERR_IO_ERROR \
"An IO error has occurred"
#define QERR_MISSING_PARAMETER \
"Parameter '%s' is missing"
#define QERR_PROPERTY_VALUE_OUT_OF_RANGE \
"Property %s.%s doesn't take value %" PRId64 " (minimum: %" PRId64 ", maximum: %" PRId64 ")"
#define QERR_QGA_COMMAND_FAILED \
"Guest agent command failed, error was '%s'"
#define QERR_UNSUPPORTED \
"this feature or command is not currently supported"

5
migration/savevm.c
View File

@ -45,7 +45,6 @@
#include "qapi/qapi-commands-migration.h"
#include "qapi/clone-visitor.h"
#include "qapi/qapi-builtin-visit.h"
#include "qapi/qmp/qerror.h"
#include "qemu/error-report.h"
#include "sysemu/cpus.h"
#include "exec/memory.h"
@ -3203,7 +3202,7 @@ void qmp_xen_save_devices_state(const char *filename, bool has_live, bool live,
object_unref(OBJECT(ioc));
ret = qemu_save_device_state(f);
if (ret < 0 || qemu_fclose(f) < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg(errp, "saving Xen device state failed");
} else {
/* libxl calls the QMP command "stop" before calling
* "xen-save-devices-state" and in case of migration failure, libxl
@ -3252,7 +3251,7 @@ void qmp_xen_load_devices_state(const char *filename, Error **errp)
ret = qemu_loadvm_state(f);
qemu_fclose(f);
if (ret < 0) {
error_setg(errp, QERR_IO_ERROR);
error_setg(errp, "loading Xen device state failed");
}
migration_incoming_state_destroy();
}

41
qga/commands-win32.c
View File

@ -217,6 +217,9 @@ int64_t qmp_guest_file_open(const char *path, const char *mode, Error **errp)
w_path = g_utf8_to_utf16(path, -1, NULL, NULL, &gerr);
if (!w_path) {
error_setg(errp, "can't convert 'path' to UTF-16: %s",
gerr->message);
g_error_free(gerr);
goto done;
}
@ -244,10 +247,6 @@ int64_t qmp_guest_file_open(const char *path, const char *mode, Error **errp)
slog("guest-file-open, handle: % " PRId64, fd);
done:
if (gerr) {
error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
g_error_free(gerr);
}
g_free(w_path);
return fd;
}
@ -279,8 +278,7 @@ static void acquire_privilege(const char *name, Error **errp)
TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &token))
{
if (!LookupPrivilegeValue(NULL, name, &priv.Privileges[0].Luid)) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"no luid for requested privilege");
error_setg(errp, "no luid for requested privilege");
goto out;
}
@ -288,14 +286,12 @@ static void acquire_privilege(const char *name, Error **errp)
priv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (!AdjustTokenPrivileges(token, FALSE, &priv, 0, NULL, 0)) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"unable to acquire requested privilege");
error_setg(errp, "unable to acquire requested privilege");
goto out;
}
} else {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"failed to open privilege token");
error_setg(errp, "failed to open privilege token");
}
out:
@ -309,8 +305,7 @@ static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
{
HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
if (!thread) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"failed to dispatch asynchronous command");
error_setg(errp, "failed to dispatch asynchronous command");
}
}
@ -1419,22 +1414,19 @@ static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
if (!GetPwrCapabilities(&sys_pwr_caps)) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"failed to determine guest suspend capabilities");
error_setg(errp, "failed to determine guest suspend capabilities");
return;
}
switch (mode) {
case GUEST_SUSPEND_MODE_DISK:
if (!sys_pwr_caps.SystemS4) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"suspend-to-disk not supported by OS");
error_setg(errp, "suspend-to-disk not supported by OS");
}
break;
case GUEST_SUSPEND_MODE_RAM:
if (!sys_pwr_caps.SystemS3) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"suspend-to-ram not supported by OS");
error_setg(errp, "suspend-to-ram not supported by OS");
}
break;
default:
@ -1946,11 +1938,17 @@ void qmp_guest_set_user_password(const char *username,
user = g_utf8_to_utf16(username, -1, NULL, NULL, &gerr);
if (!user) {
error_setg(errp, "can't convert 'username' to UTF-16: %s",
gerr->message);
g_error_free(gerr);
goto done;
}
wpass = g_utf8_to_utf16(rawpasswddata, -1, NULL, NULL, &gerr);
if (!wpass) {
error_setg(errp, "can't convert 'password' to UTF-16: %s",
gerr->message);
g_error_free(gerr);
goto done;
}
@ -1966,10 +1964,6 @@ void qmp_guest_set_user_password(const char *username,
}
done:
if (gerr) {
error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
g_error_free(gerr);
}
g_free(user);
g_free(wpass);
g_free(rawpasswddata);
@ -2174,8 +2168,7 @@ static void ga_get_win_version(RTL_OSVERSIONINFOEXW *info, Error **errp)
HMODULE module = GetModuleHandle("ntdll");
PVOID fun = GetProcAddress(module, "RtlGetVersion");
if (fun == NULL) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"Failed to get address of RtlGetVersion");
error_setg(errp, "Failed to get address of RtlGetVersion");
return;
}

6
qga/commands.c
View File

@ -15,7 +15,6 @@
#include "guest-agent-core.h"
#include "qga-qapi-commands.h"
#include "qapi/error.h"
#include "qapi/qmp/qerror.h"
#include "qemu/base64.h"
#include "qemu/cutils.h"
#include "commands-common.h"
@ -475,7 +474,7 @@ GuestExec *qmp_guest_exec(const char *path,
guest_exec_task_setup, &has_merge, &pid, input_data ? &in_fd : NULL,
has_output ? &out_fd : NULL, has_output ? &err_fd : NULL, &gerr);
if (!ret) {
error_setg(errp, QERR_QGA_COMMAND_FAILED, gerr->message);
error_setg(errp, "%s", gerr->message);
g_error_free(gerr);
goto done;
}
@ -586,8 +585,7 @@ GuestTimezone *qmp_guest_get_timezone(Error **errp)
info = g_new0(GuestTimezone, 1);
tz = g_time_zone_new_local();
if (tz == NULL) {
error_setg(errp, QERR_QGA_COMMAND_FAILED,
"Couldn't retrieve local timezone");
error_setg(errp, "Couldn't retrieve local timezone");
goto error;
}

6
system/cpus.c
View File

@ -813,7 +813,8 @@ void qmp_memsave(int64_t addr, int64_t size, const char *filename,
goto exit;
}
if (fwrite(buf, 1, l, f) != l) {
error_setg(errp, QERR_IO_ERROR);
error_setg(errp, "writing memory to '%s' failed",
filename);
goto exit;
}
addr += l;
@ -843,7 +844,8 @@ void qmp_pmemsave(int64_t addr, int64_t size, const char *filename,
l = size;
cpu_physical_memory_read(addr, buf, l);
if (fwrite(buf, 1, l, f) != l) {
error_setg(errp, QERR_IO_ERROR);
error_setg(errp, "writing memory to '%s' failed",
filename);
goto exit;
}
addr += l;