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forked from pool/systemd
Dr. Werner Fink 2015-09-23 12:43:03 +00:00 committed by Git OBS Bridge
parent 37f4a842ae
commit a4a9aa9707
5 changed files with 104 additions and 0 deletions

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@ -0,0 +1,84 @@
From: Werner Fink <werner@suse.de>
Date: Wed Sep 23 12:37:23 UTC 2015
Subject: Do not bother vistual console to much with GIO/PIO
This avoids broken virtual console mapping due stressed ioctl API
for the virtual consoles (boo#904214)
---
src/vconsole/vconsole-setup.c | 39 +++++++++++++++++++++++++--------------
1 file changed, 25 insertions(+), 14 deletions(-)
--- src/vconsole/vconsole-setup.c
+++ src/vconsole/vconsole-setup.c 2015-09-23 12:34:33.854018750 +0000
@@ -202,8 +202,13 @@ static void font_copy_to_all_vcs(int fd)
unsigned short map16[E_TABSZ];
struct unimapdesc unimapd;
struct unipair unipairs[USHRT_MAX];
+ struct console_font_op cfo = {};
int i, r;
+ bool hasmap8;
+ bool hasmap16;
+ bool hasunimap;
+
/* get active, and 16 bit mask of used VT numbers */
r = ioctl(fd, VT_GETSTATE, &vcs);
if (r < 0) {
@@ -211,10 +216,22 @@ static void font_copy_to_all_vcs(int fd)
return;
}
+ /* copy font from active VT, where the font was uploaded to */
+ cfo.op = KD_FONT_OP_COPY;
+ cfo.height = vcs.v_active-1; /* tty1 == index 0 */
+
+ hasmap8 = (ioctl(fd, GIO_SCRNMAP, map8) >= 0);
+ hasmap16 = (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0);
+
+ /* unimapd is a ushort count and a pointer to an
+ * array of struct unipair { ushort, ushort } */
+ unimapd.entries = unipairs;
+ unimapd.entry_ct = USHRT_MAX;
+ hasunimap = (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0);
+
for (i = 1; i <= 15; i++) {
char vcname[strlen("/dev/vcs") + DECIMAL_STR_MAX(int)];
_cleanup_close_ int vcfd = -1;
- struct console_font_op cfo = {};
if (i == vcs.v_active)
continue;
@@ -229,25 +246,19 @@ static void font_copy_to_all_vcs(int fd)
if (vcfd < 0)
continue;
- /* copy font from active VT, where the font was uploaded to */
- cfo.op = KD_FONT_OP_COPY;
- cfo.height = vcs.v_active-1; /* tty1 == index 0 */
+ /* copy font from active VT to vcs */
(void) ioctl(vcfd, KDFONTOP, &cfo);
- /* copy map of 8bit chars */
- if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
+ /* copy map of 8bit chars to vcs */
+ if (hasmap8)
(void) ioctl(vcfd, PIO_SCRNMAP, map8);
- /* copy map of 8bit chars -> 16bit Unicode values */
- if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
+ /* copy map of 8bit chars -> 16bit Unicode values to vcs */
+ if (hasmap16)
(void) ioctl(vcfd, PIO_UNISCRNMAP, map16);
- /* copy unicode translation table */
- /* unimapd is a ushort count and a pointer to an
- array of struct unipair { ushort, ushort } */
- unimapd.entries = unipairs;
- unimapd.entry_ct = USHRT_MAX;
- if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
+ /* copy unicode translation table to vcs */
+ if (hasunimap) {
struct unimapinit adv = { 0, 0, 0 };
(void) ioctl(vcfd, PIO_UNIMAPCLR, &adv);

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@ -1,3 +1,10 @@
-------------------------------------------------------------------
Wed Sep 23 12:41:19 UTC 2015 - werner@suse.de
- Add patch let-vconsole-setup-get-properties-only-once-to-copy-them.patch
to avoid broken virtual console mapping due stressed ioctl API
for the virtual consoles (boo#904214)
------------------------------------------------------------------- -------------------------------------------------------------------
Mon Sep 7 12:21:06 UTC 2015 - werner@suse.de Mon Sep 7 12:21:06 UTC 2015 - werner@suse.de

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@ -244,6 +244,8 @@ Patch520: systemd-add-user-keep.patch
Patch521: kbd-model-map.patch Patch521: kbd-model-map.patch
# PATCH-WORKAROUND-SUSE (boo#939571) # PATCH-WORKAROUND-SUSE (boo#939571)
Patch522: Correct_assert_on_unexpected_error_code.patch Patch522: Correct_assert_on_unexpected_error_code.patch
# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
# UDEV PATCHES # UDEV PATCHES
# ============ # ============
@ -598,6 +600,7 @@ cp %{SOURCE7} m4/
%patch520 -p1 %patch520 -p1
%patch521 -p1 %patch521 -p1
%patch522 -p0 %patch522 -p0
%patch523 -p0
# udev patches # udev patches
%patch1001 -p1 %patch1001 -p1

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@ -1,3 +1,10 @@
-------------------------------------------------------------------
Wed Sep 23 12:41:19 UTC 2015 - werner@suse.de
- Add patch let-vconsole-setup-get-properties-only-once-to-copy-them.patch
to avoid broken virtual console mapping due stressed ioctl API
for the virtual consoles (boo#904214)
------------------------------------------------------------------- -------------------------------------------------------------------
Mon Sep 7 12:21:06 UTC 2015 - werner@suse.de Mon Sep 7 12:21:06 UTC 2015 - werner@suse.de

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@ -239,6 +239,8 @@ Patch520: systemd-add-user-keep.patch
Patch521: kbd-model-map.patch Patch521: kbd-model-map.patch
# PATCH-WORKAROUND-SUSE (boo#939571) # PATCH-WORKAROUND-SUSE (boo#939571)
Patch522: Correct_assert_on_unexpected_error_code.patch Patch522: Correct_assert_on_unexpected_error_code.patch
# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
# UDEV PATCHES # UDEV PATCHES
# ============ # ============
@ -593,6 +595,7 @@ cp %{SOURCE7} m4/
%patch520 -p1 %patch520 -p1
%patch521 -p1 %patch521 -p1
%patch522 -p0 %patch522 -p0
%patch523 -p0
# udev patches # udev patches
%patch1001 -p1 %patch1001 -p1