Re: [current] acroread: SIGSEGV

On Wed, Nov 04, 2009 at 12:37:08AM +0300, Boris Samorodov wrote:
> On Tue, 3 Nov 2009 17:47:47 +0200 Kostik Belousov wrote:
> > On Tue, Nov 03, 2009 at 05:05:11PM +0300, Boris Samorodov wrote:
> > > Hello List,
> > > 
> > > print/acroread8 doesn't work for me at 9-CURRENT:
> > > -----
> > > % uname -a
> > > FreeBSD host.ipt.ru 9.0-CURRENT FreeBSD 9.0-CURRENT #0: Mon Nov  2 15:15:13 MSK 2009     root_at_host.ipt.ru:/usr/obj/usr/src/sys/HOST
> > > % sysctl compat.linux
> > > compat.linux.oss_version: 198144
> > > compat.linux.osrelease: 2.6.16
> > > compat.linux.osname: Linux
> > > ------
> > > 
> > > Setting security.bsd.map_at_zero to 1 doesn't change anything. There is
> > > nothing at console/log files. Here is the tail of linux_kdump:
> > > -----
> > > ...
> > >  78586 ld-2.9.so CALL  linux_open(0x16fcd80,0,0x80d93000)
> > >  78586 ld-2.9.so NAMI  "/compat/linux/var/db/fontconfig/bde7b0a0234dc04d93e9475cbf44698a-x86.cache-2"
> > >  78586 ld-2.9.so NAMI  "/var/db/fontconfig/bde7b0a0234dc04d93e9475cbf44698a-x86.cache-2"
> > >  78586 ld-2.9.so RET   linux_open JUSTRETURN
> > >  78586 ld-2.9.so CALL  linux_open(0x16fcd80,0,0x80d93000)
> > >  78586 ld-2.9.so NAMI  "/compat/linux/home/bsam/.fontconfig/bde7b0a0234dc04d93e9475cbf44698a-x86.cache-2"
> > >  78586 ld-2.9.so NAMI  "/home/bsam/.fontconfig/bde7b0a0234dc04d93e9475cbf44698a-x86.cache-2"
> > >  78586 ld-2.9.so RET   linux_open 4
> > >  78586 ld-2.9.so CALL  linux_fstat64(0x4,0xbfbfcf8c,0x2e482ff4)
> > >  78586 ld-2.9.so RET   linux_fstat64 0
> > >  78586 ld-2.9.so CALL  read(0x4,0x16fe160,0x60)
> > >  78586 ld-2.9.so GIO   fd 4 read 96 bytes
> > >        "\^D\M-|\^B\M-|\^B\0\0\0`\0\0\0 \0\0\0P\0\0\0\0\0\0\0P\0\0\0\^[b\M-TJ/usr/local/lib/X11/fonts/encodings/large\0\0\0\0\0\0\0\0\0\0\
> > >         \0\0\0\0\0\0\^Q\0\0\0\0\0\0\000"
> > >  78586 ld-2.9.so RET   read 96/0x60
> > >  78586 ld-2.9.so CALL  close(0x4)
> > >  78586 ld-2.9.so RET   close 0
> > >  78586 ld-2.9.so CALL  linux_mmap2(0,0x25000,0x3,0x22,0xffffffff,0)
> > >  78586 ld-2.9.so RET   linux_mmap2 833982464/0x31b59000
> > >  78586 ld-2.9.so PSIG  SIGSEGV caught handler=0x83814b6 mask=0x0 code=0x0
> > >  78586 ld-2.9.so CALL  linux_rt_sigaction(0x6,0xbfbfcbf0,0xbfbfcb64,0x8)
> > >  78586 ld-2.9.so RET   linux_rt_sigaction 0
> > >  78586 ld-2.9.so CALL  linux_exit_group(0x1)
> 
> > It would be interesting to see which address faulted.
> > If not, can you do search for a kernel revision that broke acroread ?
> > Good starting points are r198507 and r198554.
> 
> Were those revisions MFCed to RELENG_8_0? I've got the same for 8.0:
> -----
> % uname -a
> FreeBSD h30.sp.ipt.ru 8.0-RC2 FreeBSD 8.0-RC2 #0: Sun Nov  1 18:57:33 MSK 2009     root_at_h30.sp.ipt.ru:/usr/obj/usr/src/sys/IN
> DUS  i386
> -----
No.
It might be easier to bisect on releng/8.0 then.