forked from pool/systemd
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OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=903
This commit is contained in:
Dr. Werner Fink
Git OBS Bridge
parent
37f4a842ae
commit
a4a9aa9707
@ -0,0 +1,84 @@
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From: Werner Fink <werner@suse.de>
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Date: Wed Sep 23 12:37:23 UTC 2015
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Subject: Do not bother vistual console to much with GIO/PIO
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This avoids broken virtual console mapping due stressed ioctl API
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for the virtual consoles (boo#904214)
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---
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src/vconsole/vconsole-setup.c | 39 +++++++++++++++++++++++++--------------
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1 file changed, 25 insertions(+), 14 deletions(-)
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--- src/vconsole/vconsole-setup.c
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+++ src/vconsole/vconsole-setup.c 2015-09-23 12:34:33.854018750 +0000
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@@ -202,8 +202,13 @@ static void font_copy_to_all_vcs(int fd)
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unsigned short map16[E_TABSZ];
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struct unimapdesc unimapd;
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struct unipair unipairs[USHRT_MAX];
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+ struct console_font_op cfo = {};
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int i, r;
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+ bool hasmap8;
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+ bool hasmap16;
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+ bool hasunimap;
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+
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/* get active, and 16 bit mask of used VT numbers */
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r = ioctl(fd, VT_GETSTATE, &vcs);
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if (r < 0) {
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@@ -211,10 +216,22 @@ static void font_copy_to_all_vcs(int fd)
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return;
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}
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+ /* copy font from active VT, where the font was uploaded to */
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+ cfo.op = KD_FONT_OP_COPY;
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+ cfo.height = vcs.v_active-1; /* tty1 == index 0 */
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+
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+ hasmap8 = (ioctl(fd, GIO_SCRNMAP, map8) >= 0);
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+ hasmap16 = (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0);
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+
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+ /* unimapd is a ushort count and a pointer to an
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+ * array of struct unipair { ushort, ushort } */
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+ unimapd.entries = unipairs;
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+ unimapd.entry_ct = USHRT_MAX;
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+ hasunimap = (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0);
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+
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for (i = 1; i <= 15; i++) {
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char vcname[strlen("/dev/vcs") + DECIMAL_STR_MAX(int)];
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_cleanup_close_ int vcfd = -1;
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- struct console_font_op cfo = {};
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if (i == vcs.v_active)
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continue;
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@@ -229,25 +246,19 @@ static void font_copy_to_all_vcs(int fd)
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if (vcfd < 0)
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continue;
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- /* copy font from active VT, where the font was uploaded to */
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- cfo.op = KD_FONT_OP_COPY;
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- cfo.height = vcs.v_active-1; /* tty1 == index 0 */
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+ /* copy font from active VT to vcs */
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(void) ioctl(vcfd, KDFONTOP, &cfo);
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- /* copy map of 8bit chars */
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- if (ioctl(fd, GIO_SCRNMAP, map8) >= 0)
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+ /* copy map of 8bit chars to vcs */
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+ if (hasmap8)
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(void) ioctl(vcfd, PIO_SCRNMAP, map8);
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- /* copy map of 8bit chars -> 16bit Unicode values */
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- if (ioctl(fd, GIO_UNISCRNMAP, map16) >= 0)
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+ /* copy map of 8bit chars -> 16bit Unicode values to vcs */
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+ if (hasmap16)
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(void) ioctl(vcfd, PIO_UNISCRNMAP, map16);
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- /* copy unicode translation table */
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- /* unimapd is a ushort count and a pointer to an
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- array of struct unipair { ushort, ushort } */
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- unimapd.entries = unipairs;
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- unimapd.entry_ct = USHRT_MAX;
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- if (ioctl(fd, GIO_UNIMAP, &unimapd) >= 0) {
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+ /* copy unicode translation table to vcs */
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+ if (hasunimap) {
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struct unimapinit adv = { 0, 0, 0 };
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(void) ioctl(vcfd, PIO_UNIMAPCLR, &adv);
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Wed Sep 23 12:41:19 UTC 2015 - werner@suse.de
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- Add patch let-vconsole-setup-get-properties-only-once-to-copy-them.patch
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to avoid broken virtual console mapping due stressed ioctl API
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for the virtual consoles (boo#904214)
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-------------------------------------------------------------------
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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
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Patch521: kbd-model-map.patch
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# PATCH-WORKAROUND-SUSE (boo#939571)
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Patch522: Correct_assert_on_unexpected_error_code.patch
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# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
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Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
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# UDEV PATCHES
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# ============
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@ -598,6 +600,7 @@ cp %{SOURCE7} m4/
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%patch520 -p1
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%patch521 -p1
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%patch522 -p0
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%patch523 -p0
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# udev patches
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%patch1001 -p1
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@ -1,3 +1,10 @@
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-------------------------------------------------------------------
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Wed Sep 23 12:41:19 UTC 2015 - werner@suse.de
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- Add patch let-vconsole-setup-get-properties-only-once-to-copy-them.patch
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to avoid broken virtual console mapping due stressed ioctl API
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for the virtual consoles (boo#904214)
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-------------------------------------------------------------------
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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
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Patch521: kbd-model-map.patch
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# PATCH-WORKAROUND-SUSE (boo#939571)
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Patch522: Correct_assert_on_unexpected_error_code.patch
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# PATCH-FIX-SUSE Do not stress the kernel's vc ioctls (boo#904214)
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Patch523: let-vconsole-setup-get-properties-only-once-to-copy-them.patch
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# UDEV PATCHES
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# ============
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@ -593,6 +595,7 @@ cp %{SOURCE7} m4/
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%patch520 -p1
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%patch521 -p1
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%patch522 -p0
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%patch523 -p0
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# udev patches
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%patch1001 -p1
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