Am 14.02.2014 um 19:42 schrieb Hilmar Preusse: > severity 712545 important > stop > > On 14.02.14 Hilmar Preusse (hill...@web.de) wrote: > > Hi, > >> I *think* I see the same problem, at least I have about the same >> backtrace. I see the problem when displaying pictures e.g. using >> display. Attached is the gdb backtrace. I you need more debug >> symbols e.g. for glibc or xserver-xorg-video-nouveau please call >> back. >> > I guess debug of the nouveau code is relevant. Here is the bt of > the same core dump after installing xserver-xorg-video-nouveau-dbg. > > Further I think that bug is important -> raising sev.
This might be https://bugs.freedesktop.org/show_bug.cgi?id=71116. Could you please test whether the attached patch for xserver-xorg-video-nouveau in wheezy helps? TIA, Sven
diff --git a/debian/changelog b/debian/changelog index 3d7d637..147a817 100644 --- a/debian/changelog +++ b/debian/changelog @@ -1,3 +1,10 @@ +xserver-xorg-video-nouveau (1:1.0.1-5+deb7u1) UNRELEASED; urgency=low + + * Cherry-pick commit 482abbfafb56cbceaf5355c02 from libdrm-nouveau + 2.4.48, fixes undefined behavior in nouveau_pushbuf_reloc. + + -- Sven Joachim <svenj...@gmx.de> Fri, 14 Feb 2014 21:32:17 +0100 + xserver-xorg-video-nouveau (1:1.0.1-5) unstable; urgency=low * New patch 03-fix-shaders-on-big-endian-machines.diff from diff --git a/debian/patches/02-pushbuf-reloc.diff b/debian/patches/02-pushbuf-reloc.diff new file mode 100644 index 0000000..ca45107 --- /dev/null +++ b/debian/patches/02-pushbuf-reloc.diff @@ -0,0 +1,25 @@ +commit 482abbfafb56cbceaf5355c026434e638cddd0f1 +Author: Maarten Lankhorst <maarten.lankho...@canonical.com> +Date: Thu Nov 7 13:30:19 2013 +0100 + + nouveau: prevent undefined behavior in nouveau_pushbuf_reloc with gcc-4.8 + + Reported-by: ronald...@gmail.com + Bisected-by (gcc): Andreas Radke <a.ra...@arcor.de> + Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=71116 + Signed-off-by: Maarten Lankhorst <maarten.lankho...@canonical.com> + +diff --git a/nouveau/pushbuf.c b/nouveau/pushbuf.c +index 0fd0c47..4f77881 100644 +--- a/drm_nouveau/pushbuf.c ++++ b/drm_nouveau/pushbuf.c +@@ -739,7 +739,8 @@ void + nouveau_pushbuf_reloc(struct nouveau_pushbuf *push, struct nouveau_bo *bo, + uint32_t data, uint32_t flags, uint32_t vor, uint32_t tor) + { +- *push->cur++ = pushbuf_krel(push, bo, data, flags, vor, tor); ++ *push->cur = pushbuf_krel(push, bo, data, flags, vor, tor); ++ push->cur++; + } + + int diff --git a/debian/patches/series b/debian/patches/series index 7ef3d10..c47dea4 100644 --- a/debian/patches/series +++ b/debian/patches/series @@ -1,3 +1,4 @@ 01-set-NV_DRIVER_DATE-from-ChangeLog.diff 02-drm-nouveau-newabi.patch +02-pushbuf-reloc.diff 03-fix-shaders-on-big-endian-machines.diff
