Date: Mon, 28 Dec 2009 20:50:51 -0200 From: "Carlos A. M. dos Santos" <unixmania@gmail.com> To: Robert Noland <rnoland@freebsd.org> Cc: freebsd-x11@freebsd.org Subject: Re: x11perf -all leads to Xorg crash on 8-STABLE Message-ID: <e71790db0912281450l57fe983atba561ea254a5b9e0@mail.gmail.com> In-Reply-To: <1262023342.30049.3.camel@balrog.2hip.net> References: <e71790db0912261431h7285eeb4yeb1f648694730b@mail.gmail.com> <e71790db0912270917n4ccdb185pe65f2f5c4f30ea0c@mail.gmail.com> <1261934521.2220.2834.camel@balrog.2hip.net> <e71790db0912270941hdd0bc04oe3c66a81b663f6eb@mail.gmail.com> <1261942898.2220.2976.camel@balrog.2hip.net> <e71790db0912271633q5178b868u26514a7e1ba6ec87@mail.gmail.com> <e71790db0912271735h7a3f7096rdad098e2f945243a@mail.gmail.com> <1261972205.2220.3468.camel@balrog.2hip.net> <e71790db0912280728l59a80c86rc76a3e760b5a21d7@mail.gmail.com> <1262023342.30049.3.camel@balrog.2hip.net>
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On Mon, Dec 28, 2009 at 4:02 PM, Robert Noland <rnoland@freebsd.org> wrote: > On Mon, 2009-12-28 at 13:28 -0200, Carlos A. M. dos Santos wrote: [...] >> >> Updating pixman did not help: >> >> Program received signal SIGSEGV, Segmentation fault. >> 0x000000080107d215 in pixman_blt_sse2 (src_bits=3D0x81364f000, >> dst_bits=3D0x804200000, src_stride=3D2400, dst_stride=3D4096, src_bpp=3D= 32, >> dst_bpp=3D32, src_x=3D576, src_y=3D576, dst_x=3D3, dst_y=3D3, width=3D10= , >> height=3D9) >> =C2=A0 =C2=A0 at pixman-sse2.c:5358 >> 5358 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0*(uint32_t *)d =3D = *(uint32_t *)s; >> (gdb) print d >> $26 =3D (uint8_t *) 0x80420300c "=EF=BF=BD=EF=BF=BD=EF=BF=BD" >> (gdb) print s >> $27 =3D (uint8_t *) 0x8137a1100 <Error reading address 0x8137a1100: Bad = address> > > Ok, following the math in pixman... I don't quite see how this happens. > Are you using any unusual compiler optimizations? There are no unusual settings. It is a raw 8-STABLE/AMD64 system, built from the sources. The only ports installed are xorg-server, x11perf, vim-lite and the ports they depend on. > I just tested this with pixman-0.16.0 from ports and xserver 1.7.3 with > nouveau and it does not kill the server. =C2=A0I'm not sure that the outp= ut > is correct, but it does complete without error. Are you using i386 or AMD64? I some spare GPT partitions on which I will install 8-STABLE/i386 and run the tests again.
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