diff --git a/cr-dump.c b/cr-dump.c
index 3db680d63..6c1cc0281 100644
--- a/cr-dump.c
+++ b/cr-dump.c
@@ -152,7 +152,7 @@ static int dump_ghost_file(int _fd, u32 id, const struct stat *st)
 	struct ghost_file_entry gfe;
 	char lpath[32];
 
-	pr_info("Dumping ghost file contents (id 0x%x)\n", id);
+	pr_info("Dumping ghost file contents (id %#x)\n", id);
 
 	img = open_image(CR_FD_GHOST_FILE, O_DUMP, id);
 	if (img < 0)
@@ -189,7 +189,7 @@ static int dump_ghost_remap(char *path, const struct stat *st, int lfd, u32 id)
 	struct ghost_file *gf;
 	struct remap_file_path_entry rpe;
 
-	pr_info("Dumping ghost file for fd %d id 0x%x\n", lfd, id);
+	pr_info("Dumping ghost file for fd %d id %#x\n", lfd, id);
 
 	if (st->st_size > MAX_GHOST_FILE_SIZE) {
 		pr_err("Can't dump ghost file %s of %lu size\n",
@@ -315,14 +315,14 @@ static int dump_one_pipe(int lfd, u32 id, const struct fd_parms *p)
 	int ret = -1;
 	int i = 0;
 
-	pr_info("Dumping pipe %d with id 0x%x pipe_id 0x%x\n", lfd, id, p->id);
+	pr_info("Dumping pipe %d with id %#x pipe_id %#x\n", lfd, id, p->id);
 
 	fd_pipes = fdset_fd(glob_fdset, CR_FD_PIPES);
 
 	if (p->flags & O_WRONLY)
 		goto dump;
 
-	pr_info("Dumping data from pipe 0x%x fd %d\n", id, lfd);
+	pr_info("Dumping data from pipe %#x fd %d\n", id, lfd);
 
 	for (i = 0; i < nr_pipes; i++)
 		if (pipes[i] == p->id)
@@ -380,7 +380,7 @@ dump:
 			off &= PAGE_SIZE -1;
 			if (off)
 				pde.off = PAGE_SIZE - off;
-			pr_info("off 0x%lx 0x%x\n", off, pde.off);
+			pr_info("off 0x%lx %#x\n", off, pde.off);
 		}
 
 		if (write_img(fd_pipes, &pde))
@@ -502,7 +502,7 @@ static int fill_fd_params(pid_t pid, int fd, int lfd, char fd_flags, struct fd_p
 	p->fd_flags	= fd_flags;
 	p->fown		= (fown_t){ };
 
-	pr_info("%d fdinfo %d: pos: 0x%16lx flags: %16o/0x%x\n",
+	pr_info("%d fdinfo %d: pos: 0x%16lx flags: %16o/%#x\n",
 		pid, fd, p->pos, p->flags, (int)fd_flags);
 
 	p->fown.signum = fcntl(lfd, F_GETSIG, 0);
@@ -537,7 +537,7 @@ static int fill_fd_params(pid_t pid, int fd, int lfd, char fd_flags, struct fd_p
 
 static int dump_unsupp_fd(const struct fd_parms *p)
 {
-	pr_err("Can't dump file %d of that type [0x%x]\n",
+	pr_err("Can't dump file %d of that type [%#x]\n",
 			p->fd, p->stat.st_mode);
 	return -1;
 }
@@ -669,7 +669,7 @@ static int dump_task_fs(pid_t pid, struct cr_fdset *fdset)
 
 	close(fd);
 
-	pr_info("Dumping task cwd id 0x%x root id 0x%x\n",
+	pr_info("Dumping task cwd id %#x root id %#x\n",
 			fe.cwd_id, fe.root_id);
 
 	return write_img(fdset_fd(fdset, CR_FD_FS), &fe);
diff --git a/cr-show.c b/cr-show.c
index cf6471c5c..c0193f46f 100644
--- a/cr-show.c
+++ b/cr-show.c
@@ -83,7 +83,7 @@ void show_files(int fd_files, struct cr_options *o)
 		if (ret <= 0)
 			goto out;
 
-		pr_msg("type: %5s fd: %5d id: 0x%8x flags 0x%x",
+		pr_msg("type: %5s fd: %5d id: 0x%8x flags %#x",
 		       fdtype2s(e.type), e.fd, e.id, e.flags);
 
 		pr_msg("\n");
@@ -95,7 +95,7 @@ out:
 
 void show_fown_cont(fown_t *fown)
 {
-	pr_msg("fown: uid: 0x%x euid: 0x%x signum: 0x%x pid_type: 0x%x pid: %u",
+	pr_msg("fown: uid: %#x euid: %#x signum: %#x pid_type: %#x pid: %u",
 	       fown->uid, fown->euid, fown->signum, fown->pid_type, fown->pid);
 }
 
@@ -153,7 +153,7 @@ void show_remap_files(int fd, struct cr_options *o)
 		if (ret <= 0)
 			break;
 
-		pr_msg("0x%x -> 0x%x (%s)\n", rfe.orig_id,
+		pr_msg("%#x -> %#x (%s)\n", rfe.orig_id,
 				(rfe.remap_id & ~REMAP_GHOST),
 				remap_id_type(rfe.remap_id));
 	}
@@ -167,7 +167,7 @@ void show_ghost_file(int fd, struct cr_options *o)
 
 	pr_img_head(CR_FD_GHOST_FILE);
 	if (read_img(fd, &gfe) > 0)
-		pr_msg("uid %u god %u mode 0x%x\n", gfe.uid, gfe.gid, gfe.mode);
+		pr_msg("uid %u god %u mode %#x\n", gfe.uid, gfe.gid, gfe.mode);
 	pr_img_tail(CR_FD_GHOST_FILE);
 }
 
@@ -225,8 +225,8 @@ void show_fs(int fd_fs, struct cr_options *o)
 	pr_img_head(CR_FD_FS);
 
 	if (read_img(fd_fs, &fe) > 0) {
-		pr_msg("CWD : 0x%x\n", fe.cwd_id);
-		pr_msg("ROOT: 0x%x\n", fe.root_id);
+		pr_msg("CWD : %#x\n", fe.cwd_id);
+		pr_msg("ROOT: %#x\n", fe.root_id);
 	}
 
 	pr_img_tail(CR_FD_FS);
@@ -387,7 +387,7 @@ void show_creds(int fd, struct cr_options *o)
 	show_cap("Prm", ce.cap_prm);
 	show_cap("Bnd", ce.cap_bnd);
 
-	pr_msg("secbits: 0x%x\n", ce.secbits);
+	pr_msg("secbits: %#x\n", ce.secbits);
 out:
 	pr_img_tail(CR_FD_CREDS);
 }
@@ -511,7 +511,7 @@ static void show_core_rest(int fd_core)
 		goto err;
 
 	pr_msg("\n\t---[Task parameters]---\n");
-	pr_msg("\tPersonality:  0x%x\n", tc.personality);
+	pr_msg("\tPersonality:  %#x\n", tc.personality);
 	pr_msg("\tCommand:      %s\n", tc.comm);
 	pr_msg("\tState:        %d (%s)\n",
 	       (int)tc.task_state,
@@ -535,10 +535,10 @@ static void show_core_ids(int fd)
 	if (read_img(fd, &cie) < 0)
 		goto err;
 
-	pr_msg("\tVM:      0x%x\n", cie.vm_id);
-	pr_msg("\tFS:      0x%x\n", cie.fs_id);
-	pr_msg("\tFILES:   0x%x\n", cie.files_id);
-	pr_msg("\tSIGHAND: 0x%x\n", cie.sighand_id);
+	pr_msg("\tVM:      %#x\n", cie.vm_id);
+	pr_msg("\tFS:      %#x\n", cie.fs_id);
+	pr_msg("\tFILES:   %#x\n", cie.files_id);
+	pr_msg("\tSIGHAND: %#x\n", cie.sighand_id);
 err:
 	return;
 }
@@ -587,7 +587,7 @@ void show_mm(int fd_mm, struct cr_options *o)
 	pr_msg("\tArg end:      0x%lx\n", mme.mm_arg_end);
 	pr_msg("\tEnv start:    0x%lx\n", mme.mm_env_start);
 	pr_msg("\tEnv end:      0x%lx\n", mme.mm_env_end);
-	pr_msg("\tExe file ID   0x%x\n", mme.exe_file_id);
+	pr_msg("\tExe file ID   %#x\n", mme.exe_file_id);
 out:
 	pr_img_tail(CR_FD_MM);
 }
@@ -611,13 +611,13 @@ static int cr_parse_file(struct cr_options *opts)
 			break;
 
 	if (i == CR_FD_MAX) {
-		pr_err("Unknown magic 0x%x in %s\n",
+		pr_err("Unknown magic %#x in %s\n",
 				magic, opts->show_dump_file);
 		goto err;
 	}
 
 	if (!fdset_template[i].show) {
-		pr_err("No handler for 0x%x/%s\n",
+		pr_err("No handler for %#x/%s\n",
 				magic, opts->show_dump_file);
 		goto err;
 	}
diff --git a/files.c b/files.c
index 34be21fb5..caecfbd2e 100644
--- a/files.c
+++ b/files.c
@@ -99,7 +99,7 @@ void show_saved_files(void)
 		list_for_each_entry(fd, &file_descs[i], hash) {
 			struct fdinfo_list_entry *le;
 
-			pr_info(" `- type %d ID 0x%x\n", fd->type, fd->id);
+			pr_info(" `- type %d ID %#x\n", fd->type, fd->id);
 			list_for_each_entry(le, &fd->fd_info_head, desc_list)
 				pr_info("   `- FD %d pid %d\n", le->fe.fd, le->pid);
 		}
@@ -192,7 +192,7 @@ static int open_remap_ghost(struct reg_file_info *rfi,
 	 * issues with cross-device links.
 	 */
 
-	pr_info("Opening ghost file 0x%x for %s\n", rfe->remap_id, rfi->path);
+	pr_info("Opening ghost file %#x for %s\n", rfe->remap_id, rfi->path);
 
 	gf = xmalloc(sizeof(*gf));
 	if (!gf)
@@ -216,7 +216,7 @@ static int open_remap_ghost(struct reg_file_info *rfi,
 	}
 
 	if (fchown(gfd, gfe.uid, gfe.gid) < 0) {
-		pr_perror("Can't reset user/group on ghost 0x%x\n", rfe->remap_id);
+		pr_perror("Can't reset user/group on ghost %#x\n", rfe->remap_id);
 		return -1;
 	}
 
@@ -253,21 +253,21 @@ static int collect_remaps(void)
 		ret = -1;
 
 		if (!(rfe.remap_id & REMAP_GHOST)) {
-			pr_err("Non ghost remap not supported @0x%x\n",
+			pr_err("Non ghost remap not supported @%#x\n",
 					rfe.orig_id);
 			break;
 		}
 
 		fdesc = find_file_desc_raw(FDINFO_REG, rfe.orig_id);
 		if (fdesc == NULL) {
-			pr_err("Remap for non existing file 0x%x\n",
+			pr_err("Remap for non existing file %#x\n",
 					rfe.orig_id);
 			break;
 		}
 
 		rfe.remap_id &= ~REMAP_GHOST;
 		rfi = container_of(fdesc, struct reg_file_info, d);
-		pr_info("Configuring remap 0x%x -> 0x%x\n", rfi->rfe.id, rfe.remap_id);
+		pr_info("Configuring remap %#x -> %#x\n", rfi->rfe.id, rfe.remap_id);
 		ret = open_remap_ghost(rfi, &rfe);
 		if (ret < 0)
 			break;
@@ -312,7 +312,7 @@ int collect_reg_files(void)
 		rfi->remap_path = NULL;
 		rfi->path[len] = '\0';
 
-		pr_info("Collected [%s] ID 0x%x\n", rfi->path, rfi->rfe.id);
+		pr_info("Collected [%s] ID %#x\n", rfi->path, rfi->rfe.id);
 		file_desc_add(&rfi->d, FDINFO_REG, rfi->rfe.id,
 				&reg_desc_ops);
 	}
@@ -428,7 +428,7 @@ int open_reg_by_id(u32 id)
 
 	fd = find_file_desc_raw(FDINFO_REG, id);
 	if (fd == NULL) {
-		pr_perror("Can't find regfile for 0x%x\n", id);
+		pr_perror("Can't find regfile for %#x\n", id);
 		return -1;
 	}
 
diff --git a/kcmp-ids.c b/kcmp-ids.c
index c8cd9ad65..028c774cf 100644
--- a/kcmp-ids.c
+++ b/kcmp-ids.c
@@ -59,7 +59,7 @@ static void show_subnode(struct rb_node *node, int self)
 {
 	struct kid_entry *this = rb_entry(node, struct kid_entry, subtree_node);
 
-	pr_info("\t\t| 0x%x.0x%x %s\n", this->elem.genid, this->subid,
+	pr_info("\t\t| %#x.%#x %s\n", this->elem.genid, this->subid,
 			self ? "(self)" : "");
 	if (node->rb_left) {
 		pr_info("\t\t| left:\n");
@@ -83,7 +83,7 @@ static void show_node(struct rb_node *node)
 {
 	struct kid_entry *this = rb_entry(node, struct kid_entry, node);
 
-	pr_info("\t0x%x.0x%x\n", this->elem.genid, this->subid);
+	pr_info("\t%#x.%#x\n", this->elem.genid, this->subid);
 	if (node->rb_left) {
 		pr_info("\tleft:\n");
 		show_node(node->rb_left);
diff --git a/pipes.c b/pipes.c
index 2ba118a4a..bb5860448 100644
--- a/pipes.c
+++ b/pipes.c
@@ -57,7 +57,7 @@ int collect_pipes(void)
 		if (ret <= 0)
 			break;
 
-		pr_info("Collected pipe entry ID 0x%x PIPE ID 0x%x\n",
+		pr_info("Collected pipe entry ID %#x PIPE ID %#x\n",
 					pi->pe.id, pi->pe.pipe_id);
 
 		file_desc_add(&pi->d, FDINFO_PIPE, pi->pe.id,
@@ -85,7 +85,7 @@ static void show_saved_pipe_fds(struct pipe_info *pi)
 {
 	struct fdinfo_list_entry *fle;
 
-	pr_info("  `- ID %p 0x%xpn", pi, pi->pe.id);
+	pr_info("  `- ID %p %#xpn", pi, pi->pe.id);
 	list_for_each_entry(fle, &pi->d.fd_info_head, desc_list)
 		pr_info("   `- FD %d pid %d\n", fle->fe.fd, fle->pid);
 }
@@ -145,7 +145,7 @@ void mark_pipe_master()
 		pi = list_first_entry(&pipes, struct pipe_info, list);
 		list_move(&pi->list, &head);
 
-		pr_info(" `- PIPE ID 0x%x\n", pi->pe.pipe_id);
+		pr_info(" `- PIPE ID %#x\n", pi->pe.pipe_id);
 		show_saved_pipe_fds(pi);
 
 		fle = file_master(&pi->d);
@@ -167,7 +167,7 @@ void mark_pipe_master()
 			show_saved_pipe_fds(pic);
 		}
 		p->create = 1;
-		pr_info("    by 0x%x\n", p->pe.id);
+		pr_info("    by %#x\n", p->pe.id);
 	}
 
 	list_splice(&head, &pipes);
@@ -227,12 +227,12 @@ static int restore_pipe_data(int pfd, struct pipe_info *pi)
 	while (size != pi->bytes) {
 		ret = splice(fd, NULL, pfd, NULL, pi->bytes - size, 0);
 		if (ret < 0) {
-			pr_perror("0x%x: Error splicing data", pi->pe.id);
+			pr_perror("%#x: Error splicing data", pi->pe.id);
 			goto err;
 		}
 
 		if (ret == 0) {
-			pr_err("0x%x: Wanted to restore %d bytes, but got %d\n",
+			pr_err("%#x: Wanted to restore %d bytes, but got %d\n",
 				pi->pe.id, pi->bytes, size);
 			ret = -1;
 			goto err;
@@ -256,7 +256,7 @@ static int open_pipe(struct file_desc *d)
 
 	pi = container_of(d, struct pipe_info, d);
 
-	pr_info("\tCreating pipe pipe_id=0x%x id=0x%x\n", pi->pe.pipe_id, pi->pe.id);
+	pr_info("\tCreating pipe pipe_id=%#x id=%#x\n", pi->pe.pipe_id, pi->pe.id);
 
 	if (!pi->create)
 		return recv_pipe_fd(pi);
diff --git a/proc_parse.c b/proc_parse.c
index 68e98f2e2..2ba72d643 100644
--- a/proc_parse.c
+++ b/proc_parse.c
@@ -178,7 +178,7 @@ err:
 	return ret;
 
 err_bogus_mapping:
-	pr_err("Bogus mapping 0x%lx-0x%lx (flags: 0x%x vm_file_fd: %d)\n",
+	pr_err("Bogus mapping 0x%lx-0x%lx (flags: %#x vm_file_fd: %d)\n",
 	       vma_area->vma.start, vma_area->vma.end,
 	       vma_area->vma.flags, vma_area->vm_file_fd);
 	goto err;
diff --git a/sockets.c b/sockets.c
index eb951b095..3e2fbe261 100644
--- a/sockets.c
+++ b/sockets.c
@@ -312,7 +312,7 @@ static int dump_one_unix(const struct socket_desc *_sk, struct fd_parms *p,
 
 		peer = (struct unix_sk_desc *)lookup_socket(ue.peer);
 		if (!peer) {
-			pr_err("Unix socket 0x%x without peer 0x%x\n",
+			pr_err("Unix socket %#x without peer %#x\n",
 					ue.id, ue.peer);
 			goto err;
 		}
@@ -323,7 +323,7 @@ static int dump_one_unix(const struct socket_desc *_sk, struct fd_parms *p,
 		 */
 		if (peer->peer_ino != ue.id) {
 			if (!peer->name) {
-				pr_err("Unix socket 0x%x with unreachable peer 0x%x (0x%x/%s)\n",
+				pr_err("Unix socket %#x with unreachable peer %#x (%#x/%s)\n",
 				       ue.id, ue.peer, peer->peer_ino, peer->name);
 				goto err;
 			}
@@ -361,7 +361,7 @@ static int dump_one_unix(const struct socket_desc *_sk, struct fd_parms *p,
 
 		ue.peer = e->sk_desc->sd.ino;
 
-		pr_debug("\t\tFixed inflight socket 0x%x peer 0x%x)\n",
+		pr_debug("\t\tFixed inflight socket %#x peer %#x)\n",
 				ue.id, ue.peer);
 	}
 
@@ -525,7 +525,7 @@ static int unix_collect_one(const struct unix_diag_msg *m,
 			    (st.st_dev != kdev_to_odev(uv->udiag_vfs_dev))) {
 				pr_info("unix: Dropping path for "
 						"unlinked bound "
-						"sk 0x%x.0x%x real 0x%x.0x%x\n",
+						"sk %#x.%#x real %#x.%#x\n",
 						(int)st.st_dev,
 						(int)st.st_ino,
 						(int)uv->udiag_vfs_dev,
@@ -1067,7 +1067,7 @@ void show_inetsk(int fd, struct cr_options *o)
 			}
 		}
 
-		pr_msg("id 0x%x family %s type %s proto %s state %s %s:%d <-> %s:%d flags 0x%2x\n",
+		pr_msg("id %#x family %s type %s proto %s state %s %s:%d <-> %s:%d flags 0x%2x\n",
 			ie.id, skfamily2s(ie.family), sktype2s(ie.type), skproto2s(ie.proto),
 			skstate2s(ie.state), src_addr, ie.src_port, dst_addr, ie.dst_port, ie.flags);
 		pr_msg("\t"), show_fown_cont(&ie.fown), pr_msg("\n");
@@ -1149,7 +1149,7 @@ int run_unix_connections(void)
 		struct fdinfo_list_entry *fle;
 		struct sockaddr_un addr;
 
-		pr_info("\tConnect 0x%x to 0x%x\n", ui->ue.id, peer->ue.id);
+		pr_info("\tConnect %#x to %#x\n", ui->ue.id, peer->ue.id);
 
 		fle = file_master(&ui->d);
 
@@ -1166,7 +1166,7 @@ try_again:
 				goto try_again; /* FIXME use futex waiters */
 			}
 
-			pr_perror("Can't connect 0x%x socket", ui->ue.id);
+			pr_perror("Can't connect %#x socket", ui->ue.id);
 			return -1;
 		}
 
@@ -1224,7 +1224,7 @@ static int open_unixsk_pair_master(struct unix_sk_info *ui)
 	struct unix_sk_info *peer = ui->peer;
 	struct fdinfo_list_entry *fle;
 
-	pr_info("Opening pair master (id 0x%x peer 0x%x)\n",
+	pr_info("Opening pair master (id %#x peer %#x)\n",
 			ui->ue.id, ui->ue.peer);
 
 	if (socketpair(PF_UNIX, ui->ue.type, 0, sk) < 0) {
@@ -1275,7 +1275,7 @@ static int open_unixsk_pair_slave(struct unix_sk_info *ui)
 
 	fle = file_master(&ui->d);
 
-	pr_info("Opening pair slave (id 0x%x peer 0x%x) on %d\n",
+	pr_info("Opening pair slave (id %#x peer %#x) on %d\n",
 			ui->ue.id, ui->ue.peer, fle->fe.fd);
 
 	sk = recv_fd(fle->fe.fd);
@@ -1295,7 +1295,7 @@ static int open_unixsk_standalone(struct unix_sk_info *ui)
 {
 	int sk;
 
-	pr_info("Opening standalone socket (id 0x%x peer 0x%x)\n",
+	pr_info("Opening standalone socket (id %#x peer %#x)\n",
 			ui->ue.id, ui->ue.peer);
 
 	sk = socket(PF_UNIX, ui->ue.type, 0);
@@ -1311,13 +1311,13 @@ static int open_unixsk_standalone(struct unix_sk_info *ui)
 		return -1;
 
 	if (ui->ue.state == TCP_LISTEN) {
-		pr_info("\tPutting 0x%x into listen state\n", ui->ue.id);
+		pr_info("\tPutting %#x into listen state\n", ui->ue.id);
 		if (listen(sk, ui->ue.backlog) < 0) {
 			pr_perror("Can't make usk listen");
 			return -1;
 		}
 	} else if (ui->peer) {
-		pr_info("\tWill connect 0x%x to 0x%x later\n", ui->ue.id, ui->ue.peer);
+		pr_info("\tWill connect %#x to %#x later\n", ui->ue.id, ui->ue.peer);
 		if (schedule_conn_job(ui))
 			return -1;
 	}
@@ -1433,7 +1433,7 @@ int resolve_unix_peers(void)
 			peer = NULL;
 
 		if (!peer) {
-			pr_err("FATAL: Peer 0x%x unresolved for 0x%x\n",
+			pr_err("FATAL: Peer %#x unresolved for %#x\n",
 					ui->ue.peer, ui->ue.id);
 			return -1;
 		}
@@ -1472,7 +1472,7 @@ int resolve_unix_peers(void)
 	list_for_each_entry(ui, &unix_sockets, list) {
 		struct fdinfo_list_entry *fle;
 
-		pr_info("\t0x%x -> 0x%x (0x%x) flags 0x%x\n", ui->ue.id, ui->ue.peer,
+		pr_info("\t%#x -> %#x (%#x) flags %#x\n", ui->ue.id, ui->ue.peer,
 				ui->peer ? ui->peer->ue.id : 0, ui->flags);
 		list_for_each_entry(fle, &ui->d.fd_info_head, desc_list)
 			pr_info("\t\tfd %d in pid %d\n",