On 27 Jul 2007, at 15:18, Soeren Moch wrote:
Respect the patch, it works for me. I have not any disconnect in
some
days, althought it is dificult to say that the problem is 100%
solved,
because disconnects are random.
Some days ago I wrote a patch for the Nova-T-Stick (see thread
"dib0700 problems (nova-T usb stick)" ). As I could see there,
disconnects are not random, they can only occur directly after a
streamon firmware call. The dib0700 bridge seems to write
unintentionally
to the usb bus (or at least driving current into D+/D- or switching
pull-up/down resistors on/off or doing similar strange things) after a
streamon firmware call, usually causing protocol errors (not a real
problem, maybe only for running isochronous transfers to other devices
on the bus), but causing a usb disconnect when accidentally hitting
a SOF
packet. So avoiding streamon firmware calls will decrease the
disconnect
rate. This is the same idea as in your patches.
Relying on device name seems somewhat hackish, however, and
doesn't fix
anything for nova-t stick ;)
There are other form to do the same, more easily, for all the dibcom
devices,
but there is a problem: streaming state don't go off when closing the
device,
althought perphaps that is not important.
See the atached patch.
This new patch will not help for a Nova-T stick due to the "i2c gating
problem" I have seen there (see thread mentioned above). When simply
starting usb streaming and leaving it on all the time, you are not
able
set new tuning parameters, which of course makes this stick useless.
The patch doesn't completely fix my usb disconnects. Do you think the
kernel stack trace below indicates a i2c gating problem?
Jul 28 11:36:17 htpc2 vdr: [10480] switching to channel 5
Jul 28 11:36:17 htpc2 vdr: [14204] transfer thread ended (pid=10480,
tid=14204)
Jul 28 11:36:17 htpc2 vdr: [10480] cTS2PES got 6 TS errors, 3 TS
continuity errors
Jul 28 11:36:17 htpc2 vdr: [10480] cTS2PES got 0 TS errors, 3 TS
continuity errors
Jul 28 11:36:17 htpc2 vdr: [10480] buffer stats: 193452 (9%) used
Jul 28 11:36:17 htpc2 vdr: [14214] transfer thread started
(pid=10480, tid=14214)
Jul 28 11:36:17 htpc2 kernel: usb 6-1: USB disconnect, address 2
Jul 28 11:36:17 htpc2 kernel: mt2060 I2C write failed (len=2)
Jul 28 11:36:17 htpc2 kernel: MT2060: IF1: 1220MHz
Jul 28 11:36:17 htpc2 kernel: MT2060: PLL freq=562000kHz
f_lo1=1782000kHz f_lo2=1183850kHz
Jul 28 11:36:17 htpc2 kernel: MT2060: PLL div1=111 num1=24 div2=73
num2=8115
Jul 28 11:36:17 htpc2 kernel: MT2060: PLL [1..5]: 56 6f 3 fb 93
Jul 28 11:36:17 htpc2 kernel: mt2060 I2C write failed (len=6)
Jul 28 11:36:17 htpc2 kernel: mt2060 I2C read failed
Jul 28 11:36:17 htpc2 last message repeated 9 times
Jul 28 11:36:17 htpc2 vdr: [14206] TS buffer on device 2 thread ended
(pid=10480, tid=14206)
Jul 28 11:36:17 htpc2 vdr: [14205] buffer stats: 107536 (5%) used
Jul 28 11:36:17 htpc2 vdr: [14205] receiver on device 2 thread ended
(pid=10480, tid=14205)
Jul 28 11:36:17 htpc2 vdr: [14219] receiver on device 2 thread
started (pid=10480, tid=14219)
Jul 28 11:36:17 htpc2 vdr: [14220] TS buffer on device 2 thread
started (pid=10480, tid=14220)
Jul 28 11:36:18 htpc2 kernel: mt2060 I2C write failed
Jul 28 11:36:18 htpc2 kernel: list_del corruption. prev->next should
be c9fb8dbc, but was c152e1a0
Jul 28 11:36:18 htpc2 kernel: ------------[ cut here ]------------
Jul 28 11:36:18 htpc2 kernel: kernel BUG at lib/list_debug.c:67!
Jul 28 11:36:18 htpc2 kernel: invalid opcode: 0000 [#1]
Jul 28 11:36:18 htpc2 kernel: SMP
Jul 28 11:36:18 htpc2 kernel: last sysfs file: /module/libata/version
Jul 28 11:36:18 htpc2 kernel: Modules linked in: autofs4 hidp rfcomm
l2cap bluetooth sunrpc ipv6 nf_conntrack_netbios_ns nf_conntrack_ipv4
xt_state nf_connt
rack nfnetlink xt_tcpudp ipt_REJECT iptable_filter ip_tables x_tables
ext2 dm_multipath video sbs button dock battery ac parport_pc lp
parport loop snd_via8
2xx gameport snd_ac97_codec ac97_bus snd_seq_dummy cx22702 cx88_dvb
cx88_vp3054_i2c video_buf_dvb snd_seq_oss snd_seq_midi_event mt2060
snd_seq snd_pcm_oss
snd_mixer_oss dvb_usb_dib0700 dib7000m snd_pcm dib7000p cx8802 cx8800
dvb_usb stv0299 cx88xx dib3000mc snd_timer pegasus ir_common
snd_page_alloc dibx000_co
mmon i2c_viapro i2c_algo_bit mii snd_mpu401_uart b2c2_flexcop_pci
tveeprom b2c2_flexcop snd_rawmidi videodev via_ircc viafb(U) rtc_cmos
compat_ioctl32 dvb_c
ore snd_seq_device serio_raw firewire_ohci v4l1_compat irda
firewire_core v4l2_common snd dvb_pll video_buf i2c_core btcx_risc
crc_itu_t crc_ccitt soundcore
sr_mod cdrom sg dm_snapshot dm_zero dm_mirror dm_mod sata_via
ata_generic pata_via libat
Jul 28 11:36:18 htpc2 kernel: sd_mod scsi_mod ext3 jbd mbcache
ehci_hcd ohci_hcd uhci_hcd
Jul 28 11:36:18 htpc2 kernel: CPU: 0
Jul 28 11:36:18 htpc2 kernel: EIP: 0060:[<c04ef31d>] Not
tainted VLI
Jul 28 11:36:18 htpc2 kernel: EFLAGS: 00210086 (2.6.22.1-27.fc7 #1)
Jul 28 11:36:18 htpc2 kernel: EIP is at list_del+0x21/0x5d
Jul 28 11:36:18 htpc2 kernel: eax: 00000048 ebx: c152e19c ecx:
00200046 edx: 00200000
Jul 28 11:36:18 htpc2 kernel: esi: c152e194 edi: 00200282 ebp:
d77a2600 esp: c9fb8d98
Jul 28 11:36:18 htpc2 kernel: ds: 007b es: 007b fs: 00d8 gs:
0033 ss: 0068
Jul 28 11:36:18 htpc2 kernel: Process vdr (pid: 10485, ti=c9fb8000
task=d77a2600 task.ti=c9fb8000)
Jul 28 11:36:18 htpc2 kernel: Stack: c06b1bb6 c9fb8dbc c152e1a0
c152e19c c060c7f8 00000000 00000001 d77a2600
Jul 28 11:36:18 htpc2 kernel: c042310d c152e1a0 c152e1a0
80286f4e ffffffed d4af8820 c1742800 c060c6bf
Jul 28 11:36:18 htpc2 kernel: c152e000 c9fb8000 dc9d2daf
00000001 c9fb8e3c c13896b8 00000000 c9fb8e90
Jul 28 11:36:18 htpc2 kernel: Call Trace:
Jul 28 11:36:18 htpc2 kernel: [<c060c7f8>] __down_interruptible
+0xc6/0xf0
Jul 28 11:36:18 htpc2 kernel: [<c042310d>] default_wake_function
+0x0/0xc
Jul 28 11:36:18 htpc2 kernel: [<c060c6bf>]
__down_failed_interruptible+0x7/0xc
Jul 28 11:36:18 htpc2 kernel: [<dc9d2daf>] dvb_frontend_ioctl+0xab/
0x8d0 [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<c0440127>] unqueue_me+0x7f/0x87
Jul 28 11:36:18 htpc2 kernel: [<c0440e7b>] futex_wait+0x23f/0x2c2
Jul 28 11:36:18 htpc2 kernel: [<c046a6a4>] find_extend_vma+0x12/0x49
Jul 28 11:36:18 htpc2 kernel: [<dc9cd15c>] dvb_generic_ioctl
+0x0/0x3b [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<dc9cd105>] dvb_usercopy+0xa9/0x100
[dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<c0420ada>] update_curr+0x23b/0x25c
Jul 28 11:36:18 htpc2 kernel: [<c0420838>] update_stats_wait_end
+0x84/0xad
Jul 28 11:36:18 htpc2 kernel: [<dc9cd15c>] dvb_generic_ioctl
+0x0/0x3b [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<dc9cd18e>] dvb_generic_ioctl
+0x32/0x3b [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<dc9d2d04>] dvb_frontend_ioctl
+0x0/0x8d0 [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<dc9cd15c>] dvb_generic_ioctl
+0x0/0x3b [dvb_core]
Jul 28 11:36:18 htpc2 kernel: [<c0484934>] do_ioctl+0x88/0xa0
Jul 28 11:36:18 htpc2 kernel: [<c0453fd3>] audit_syscall_exit
+0x2f2/0x30e
Jul 28 11:36:18 htpc2 kernel: [<c0484b83>] vfs_ioctl+0x237/0x249
Jul 28 11:36:18 htpc2 kernel: [<c0484be1>] sys_ioctl+0x4c/0x67
Jul 28 11:36:18 htpc2 kernel: [<c0404f8e>] syscall_call+0x7/0xb
Jul 28 11:36:18 htpc2 kernel: =======================
Jul 28 11:36:18 htpc2 kernel: Code: 63 00 00 00 89 c3 eb e8 90 90 53
83 ec 0c 8b 48 04 8b 11 39 c2 74 18 89 54 24 08 89 44 24 04 c7 04 24
b6 1b 6b c0 e8 96
a2 f3 ff <0f> 0b eb fe 8b 10 8b 5a 04 39 c3 74 18 89 5c 24 08 89 44
24 04
Jul 28 11:36:18 htpc2 kernel: EIP: [<c04ef31d>] list_del+0x21/0x5d
SS:ESP 0068:c9fb8d98
Jul 28 11:36:18 htpc2 kernel: cx88_wakeup: 8 buffers handled (should
be 1)
Jul 28 11:36:20 htpc2 kernel: dvb-usb: could not submit URB no. 0 -
get them all back
Jul 28 11:36:20 htpc2 kernel: dvb-usb: error while enabling fifo.
Jul 28 11:36:20 htpc2 vdr: [10490] ERROR: can't set filter (pid=18,
tid=4E, mask=FE): No such device
Jul 28 11:36:21 htpc2 vdr: [10489] frontend 3 lost lock on channel
15, tp 578
Jul 28 11:36:23 htpc2 vdr: [10489] frontend 3 regained lock on
channel 15, tp 578
Jul 28 11:36:24 htpc2 vdr: [10489] frontend 3 lost lock on channel
15, tp 578
Jul 28 11:36:26 htpc2 vdr: [10489] frontend 3 timed out while tuning
to channel 15, tp 578
Jul 28 11:36:26 htpc2 kernel: mt2060 I2C write failed (len=2)
Jul 28 11:36:26 htpc2 kernel: MT2060: IF1: 1220MHz
Jul 28 11:36:26 htpc2 kernel: MT2060: PLL freq=578166kHz
f_lo1=1798000kHz f_lo2=1183700kHz
Jul 28 11:36:26 htpc2 kernel: MT2060: PLL div1=112 num1=24 div2=73
num2=8038
Jul 28 11:36:26 htpc2 kernel: MT2060: PLL [1..5]: 46 70 6 f6 93
Jul 28 11:36:26 htpc2 kernel: mt2060 I2C write failed (len=6)
Jul 28 11:36:26 htpc2 kernel: mt2060 I2C read failed
Jul 28 11:36:26 htpc2 last message repeated 9 times
Jul 28 11:36:32 htpc2 vdr: [10480] switching to channel 7
Jul 28 11:36:32 htpc2 vdr: [14214] transfer thread ended (pid=10480,
tid=14214)
Jul 28 11:36:32 htpc2 kernel: dvb-usb: error while stopping stream.
Jul 28 11:36:32 htpc2 vdr: [10480] buffer stats: 0 (0%) used
Jul 28 11:36:32 htpc2 kernel: dvb-usb: could not submit URB no. 0 -
get them all back
Jul 28 11:36:32 htpc2 kernel: dvb-usb: error while enabling fifo.
Jul 28 11:36:32 htpc2 vdr: [10480] ERROR (dvbdevice.c,667): No such
device
Jul 28 11:36:32 htpc2 vdr: [10480] ERROR: can't set PID 540 on device 2
Jul 28 11:36:32 htpc2 vdr: [14264] transfer thread started
(pid=10480, tid=14264)
Jul 28 11:36:32 htpc2 vdr: [14220] TS buffer on device 2 thread ended
(pid=10480, tid=14220)
Jul 28 11:36:32 htpc2 vdr: [14219] buffer stats: 0 (0%) used
Jul 28 11:36:32 htpc2 vdr: [14219] receiver on device 2 thread ended
(pid=10480, tid=14219)
Jul 28 11:36:35 htpc2 kernel: mt2060 I2C write failed (len=2)
Jul 28 11:36:35 htpc2 kernel: MT2060: IF1: 1220MHz
Jul 28 11:36:35 htpc2 kernel: MT2060: PLL freq=578166kHz
f_lo1=1798000kHz f_lo2=1183700kHz
Jul 28 11:36:35 htpc2 kernel: MT2060: PLL div1=112 num1=24 div2=73
num2=8038
Jul 28 11:36:35 htpc2 kernel: MT2060: PLL [1..5]: 46 70 6 f6 93
Jul 28 11:36:35 htpc2 kernel: mt2060 I2C write failed (len=6)
Jul 28 11:36:35 htpc2 kernel: mt2060 I2C read failed
Jul 28 11:36:35 htpc2 last message repeated 9 times
Jul 28 11:36:39 htpc2 vdr: [10480] switching to channel 8
Jul 28 11:36:39 htpc2 vdr: [14264] transfer thread ended (pid=10480,
tid=14264)
--
Torgeir Veimo
[EMAIL PROTECTED]
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