From: matthieu castet <castet.matthieu@free.fr>
To: Video 4 Linux <video4linux-list@redhat.com>
Subject: application hanging with 2.6.25 and bttv
Date: Sat, 21 Jun 2008 20:33:22 +0200 [thread overview]
Message-ID: <485D4972.2070801@free.fr> (raw)
Hi,
I have got a tv application that doesn't work anymore with 2.6.25 : it
hangs.
Strace :
open("/dev/video0", O_RDWR) = 3
ioctl(3, EXT2_IOC_GETVERSION or VIDIOCGCAP, 0x8674e80) = 0
ioctl(3, EXT2_IOC_SETVERSION or SONYPI_IOCGBAT1CAP or VIDIOCGCHAN,
0x8674ec0) = 0
ioctl(3, EXT2_IOC_SETVERSION or SONYPI_IOCGBAT1CAP or VIDIOCGCHAN,
0x8674ec0) = 0
ioctl(3, EXT2_IOC_SETVERSION or SONYPI_IOCGBAT1CAP or VIDIOCGCHAN,
0x8674ec0) = 0
ioctl(3, SONYPI_IOCGBAT1REM or VIDIOCSCHAN, 0x8674ec0) = 0
ioctl(3, EXT2_IOC_SETVERSION or SONYPI_IOCGBAT1CAP or VIDIOCGCHAN,
0x8674ec0) = 0
ioctl(3, SONYPI_IOCGBAT2CAP or VIDIOCGTUNER, 0x8672fc0) = 0
ioctl(3, SONYPI_IOCGBAT2REM or VIDIOCSTUNER, 0x8672fc0) = 0
ioctl(3, SONYPI_IOCGBAT1REM or VIDIOCSCHAN, 0x8674ec0) = 0
ioctl(3, VIDIOCGPICT, 0x8672f9e) = 0
ioctl(3, SONYPI_IOCGBATFLAGS or VIDIOCSPICT, 0x8672f9e) = 0
ioctl(3, VIDIOCSWIN, 0x8674be0) = 0
ioctl(3, VIDIOCGMBUF
<----- here hang
echo w > /proc/sysrq-trigger
[ 3838.478636] SysRq : Show Blocked State
[ 3838.478636] task PC stack pid father
[ 3838.478636] mytv D 00000095 0 9377 9375
[ 3838.478636] f7edb930 00200082 f8c92216 00000095 f7edbab0
c180b920 00000000 000d0f6e
[ 3838.478636] f679fdd4 c180b920 000000ff 00000000 00000000
00000000 f7e03010 f7e03018
[ 3838.478636] f7e03014 f7edb930 c02b47e9 f7e03018 f7e03018
f7edb930 f7e03010 00208000
[ 3838.478636] Call Trace:
[ 3838.478636] [<f8c92216>] i2c_transfer+0x66/0x6d [i2c_core]
[ 3838.478636] [<c02b47e9>] __mutex_lock_slowpath+0x50/0x7b
[ 3838.478636] [<c02b467f>] mutex_lock+0xa/0xb
[ 3838.478636] [<f8cece8d>] videobuf_mmap_setup+0xe/0x2d [videobuf_core]
[ 3838.478636] [<f8d97d6b>] vidiocgmbuf+0x24/0x83 [bttv]
[ 3838.478636] [<f8d97d47>] vidiocgmbuf+0x0/0x83 [bttv]
[ 3838.478636] [<f8d317fd>] __video_do_ioctl+0x93/0x2cca [videodev]
[ 3838.478636] [<c011a94d>] __wake_up_common+0x2e/0x58
[ 3838.478636] [<c011cbe2>] __wake_up_sync+0x2a/0x3e
[ 3838.478636] [<c011b203>] __dequeue_entity+0x1f/0x71
[ 3838.478636] [<c0106970>] __switch_to+0xa3/0x12f
[ 3838.478636] [<f8d3469d>] video_ioctl2+0x16d/0x233 [videodev]
[ 3838.478636] [<c012e847>] ptrace_notify+0x7d/0xa4
[ 3838.478636] [<c017f70b>] vfs_ioctl+0x47/0x5d
[ 3838.478636] [<c017f966>] do_vfs_ioctl+0x245/0x258
[ 3838.478636] [<c017f9ba>] sys_ioctl+0x41/0x5b
[ 3838.478636] [<c0107862>] syscall_call+0x7/0xb
[ 3838.478636] =======================
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next reply other threads:[~2008-06-21 18:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-21 18:33 matthieu castet [this message]
2008-06-22 17:21 ` application hanging with 2.6.25 and bttv matthieu castet
2008-06-22 21:52 ` matthieu castet
2008-06-22 21:57 ` Douglas Schilling Landgraf
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