Public bug reported:
Binary package hint: webcam-server
Module: gspca_zc3xx
Command:
sudo LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so nice -n -12 webcam-server -n -g
640x480
Problem:
The server sometimes crashes after a while with this error:
*** glibc detected *** webcam-server: double free or corruption (fasttop):
0x09aa9eb8 ***
======= Backtrace: =========
/lib/tls/i686/cmov/libc.so.6[0xb7db7604]
/lib/tls/i686/cmov/libc.so.6(cfree+0x96)[0xb7db95b6]
webcam-server[0x804c5d8]
webcam-server[0x8049e01]
/lib/tls/i686/cmov/libpthread.so.0[0xb7eb14ff]
/lib/tls/i686/cmov/libc.so.6(clone+0x5e)[0xb7e2c49e]
======= Memory map: ========
08048000-0804f000 r-xp 00000000 08:01 160266 /usr/bin/webcam-server
0804f000-08051000 rw-p 00006000 08:01 160266 /usr/bin/webcam-server
09aa9000-09adc000 rw-p 09aa9000 00:00 0 [heap]
b0a00000-b0a21000 rw-p b0a00000 00:00 0
b0a21000-b0b00000 ---p b0a21000 00:00 0
b0b68000-b0b75000 r-xp 00000000 08:01 2423 /lib/libgcc_s.so.1
b0b75000-b0b76000 r--p 0000c000 08:01 2423 /lib/libgcc_s.so.1
b0b76000-b0b77000 rw-p 0000d000 08:01 2423 /lib/libgcc_s.so.1
b0b77000-b0b78000 ---p b0b77000 00:00 0
b0b78000-b1378000 rw-p b0b78000 00:00 0
b1378000-b1379000 ---p b1378000 00:00 0
b1379000-b1b79000 rw-p b1379000 00:00 0
b1b79000-b1b7a000 ---p b1b79000 00:00 0
b1b7a000-b237a000 rw-p b1b7a000 00:00 0
b237a000-b237b000 ---p b237a000 00:00 0
b237b000-b2b7b000 rw-p b237b000 00:00 0
b2b7b000-b2b98000 rw-s 00057000 00:0f 5547 /dev/video0
b2b98000-b2bb5000 rw-s 0003a000 00:0f 5547 /dev/video0
b2bb5000-b2bd2000 rw-s 0001d000 00:0f 5547 /dev/video0
b2bd2000-b2bef000 rw-s 00000000 00:0f 5547 /dev/video0
b2bef000-b2cd1000 rw-p b2bef000 00:00 0
b2cd1000-b2cd2000 ---p b2cd1000 00:00 0
b2cd2000-b34d3000 rw-p b2cd2000 00:00 0
b34d3000-b34d4000 ---p b34d3000 00:00 0
b34d4000-b7cd6000 rw-p b34d4000 00:00 0
b7cd6000-b7ce7000 r-xp 00000000 08:01 69862 /usr/lib/libv4lconvert.so.0
b7ce7000-b7ce8000 r--p 00010000 08:01 69862 /usr/lib/libv4lconvert.so.0
b7ce8000-b7ce9000 rw-p 00011000 08:01 69862 /usr/lib/libv4lconvert.so.0
b7ce9000-b7d39000 rw-p b7ce9000 00:00 0
b7d39000-b7d3e000 r-xp 00000000 08:01 69861 /usr/lib/libv4l2.so.0
b7d3e000-b7d3f000 r--p 00005000 08:01 69861 /usr/lib/libv4l2.so.0
b7d3f000-b7d42000 rw-p 00006000 08:01 69861 /usr/lib/libv4l2.so.0
b7d42000-b7d46000 r-xp 00000000 08:01 69860 /usr/lib/libv4l1.so.0
b7d46000-b7d47000 r--p 00003000 08:01 69860 /usr/lib/libv4l1.so.0
b7d47000-b7d48000 rw-p 00004000 08:01 69860 /usr/lib/libv4l1.so.0
b7d48000-b7ea4000 r-xp 00000000 08:01 5998 /lib/tls/i686/cmov/libc-2.9.so
b7ea4000-b7ea5000 ---p 0015c000 08:01 5998 /lib/tls/i686/cmov/libc-2.9.so
b7ea5000-b7ea7000 r--p 0015c000 08:01 5998 /lib/tls/i686/cmov/libc-2.9.so
b7ea7000-b7ea8000 rw-p 0015e000 08:01 5998 /lib/tls/i686/cmov/libc-2.9.so
b7ea8000-b7eab000 rw-p b7ea8000 00:00 0
b7eab000-b7ec0000 r-xp 00000000 08:01 6024
/lib/tls/i686/cmov/libpthread-2.9.so
b7ec0000-b7ec1000 r--p 00014000 08:01 6024
/lib/tls/i686/cmov/libpthread-2.9.so
b7ec1000-b7ec2000 rw-p 00015000 08:01 6024
/lib/tls/i686/cmov/libpthread-2.9.so
b7ec2000-b7ec5000 rw-p b7ec2000 00:00 0
b7ec5000-b7ee4000 r-xp 00000000 08:01 9394 /usr/lib/libjpeg.so.62.0.0
b7ee4000-b7ee5000 rw-p 0001e000 08:01 9394 /usr/lib/libjpeg.so.62.0.0
b7efc000-b7efd000 r-xp 00000000 08:01 69864 /usr/lib/libv4l/v4l1compat.so
b7efd000-b7efe000 r--p 00000000 08:01 69864 /usr/lib/libv4l/v4l1compat.so
b7efe000-b7eff000 rw-p 00001000 08:01 69864 /usr/lib/libv4l/v4l1compat.so
b7eff000-b7f01000 rw-p b7eff000 00:00 0
b7f01000-b7f02000 r-xp b7f01000 00:00 0 [vdso]
b7f02000-b7f1e000 r-xp 00000000 08:01 2381 /lib/ld-2.9.so
b7f1e000-b7f1f000 r--p 0001b000 08:01 2381 /lib/ld-2.9.so
b7f1f000-b7f20000 rw-p 0001c000 08:01 2381 /lib/ld-2.9.so
bf80a000-bf81f000 rw-p bffeb000 00:00 0 [stack]
Aborted
** Affects: webcam-server (Ubuntu)
Importance: Undecided
Status: New
--
Webcam-server sometimes cuts out with error
https://bugs.launchpad.net/bugs/421573
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
