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DVICO firmware compatibility between v4l-dvb and in-tree kernel drivers

linux-dvb [email protected] 2 participants 3 messages Aug 1, 2008 – Aug 2, 2008 Media (V4L/DVB)

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#0 lore raw

Robert,

Quoted 11 lines · Robert Lowery
Quoted 8 lines

Can you repeat your tests? I never announced the cxusb tree for testing, and you tested an old copy.

There was a bug in that version, the new version is posted now.

After hearing successful test results using changeset 56b3acf44eae , I will ask Mauro to merge it.

56b3acf44eae works for me. Please feel free to merge it.

I'm glad to hear it -- I need you to provide a sign-off, in order to apply your patch.

Quoted 6 lines

Also, the i2c read failed messages that I was getting appear to go away once I plug in the IR cable into this card (I don't use IR on my
mythbackend). Can I suggest the following additional patch to stop the
logs filling up with noise in this scenario. This makes the logging consistent with the rest of the driver.

What i2c read failed message ?!? Why would plugging in the IR cable fix this?? Can you provide more info? This needs investigation, and I would tend not to mask this error until we know exactly what is happening.

Regards,

Mike

Quoted 33 lines

Cheers

-Rob

diff -r 56b3acf44eae linux/drivers/media/dvb/dvb-usb/cxusb.c
--- a/linux/drivers/media/dvb/dvb-usb/cxusb.c Wed Jul 30 18:43:11 2008
-0400
+++ b/linux/drivers/media/dvb/dvb-usb/cxusb.c Fri Aug 01 21:12:18 2008
+1000

(quoted diff) +1 -1
@@ -140,7 +140,7 @@ static int cxusb_i2c_xfer(struct i2c_ada
                        if (cxusb_ctrl_msg(d, CMD_I2C_READ,
                                           obuf, 3,
                                           ibuf, 1+msg[i].len) < 0) {
-                               warn("i2c read failed");
+                               deb_i2c("i2c read failed\n");
                                break;
                        }
                        memcpy(msg[i].buf, &ibuf[1], msg[i].len);
Quoted 15 lines

Please note: this was changed to use the DEFAULT xc3028 firmware -- the au-specific firmware should no longer be necessary.

Regards,

Mike

Quoted 4 lines · oobe trouble

update i just tested this on 2.6.26 and ubuntu's 2.6.24-19-generic both work
ok

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Quoted 2 lines · oobe trouble

hi i just tested

http://linuxtv.org/hg/~mkrufky/cxusb/<http://linuxtv.org/hg/%7Emkrufky/cxusb
/>on

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2.6.25.10 havent had a chance to test 2.6.26 but im sure it works thanks
for letting me know about this

and thanks mkrufky

Quoted 136 lines · Robert Lowery

Hi Folks,

I've been successfully using the experimental v4l-dvb tree DVICO Dual Digital 4 drivers for a number of months. Today I decided to try an use
the official 2.6.26 kernel drivers, but they are triggering an OOPS at firmware load time (see below). Can someone please confirm if the xc3028-dvico-au-01.fw firmware is still compatible with 2.6.26? or are
there any other known issues in this space?

Thanks

-Rob

[  103.974543] xc2028 1-0061: Loading 3 firmware images from
xc3028-dvico-au-01.fw, type: DViCO DualDig4/Nano2 (Australia), ver 2.7
[  103.984657] BUG: unable to handle kernel NULL pointer dereference

at
00000000

[  103.984690] IP: [<c0361a85>]
__mutex_lock_interruptible_slowpath+0x35/0xe0
[  103.984716] *pde = 00000000
[  103.984731] Oops: 0002 [#1] SMP
[  103.984742] Modules linked in: nfsd auth_rpcgss exportfs

speedstep_lib
cpufre
q_conservative cpufreq_powersave cpufreq_userspace cpufreq_ondemand cpufreq_stat
s freq_table container video output sbs sbshc battery nfs lockd nfs_acl
sunrpc i
ptable_filter ip_tables x_tables xfs ac lp tuner_xc2028 zl10353 dvb_usb_cxusb dv
b_usb snd_maestro3 dvb_core snd_ac97_codec serio_raw ac97_bus snd_seq_dummy psmo
use snd_seq_oss snd_seq_midi snd_pcsp snd_rawmidi snd_pcm_oss snd_mixer_oss snd_
pcm snd_seq_midi_event snd_seq snd_page_alloc snd_timer snd_seq_device snd
butto
n i2c_viapro soundcore i2c_core shpchp pci_hotplug via686a via_agp parport_pc pa
rport agpgart ipv6 evdev ext3 jbd mbcache sg sr_mod cdrom sd_mod pata_acpi
flopp
y pata_sil680 sym53c8xx ehci_hcd e100 uhci_hcd pata_via ata_generic mii
usbcore
scsi_transport_spi libata scsi_mod dock thermal processor fan fbcon tileblit fon
t bitblit softcursor uvesafb cn fuse

[  103.984962]
[  103.984971] Pid: 6492, comm: kdvb-fe-0 Not tainted
(2.6.26-4-generic
#1)
[  103.984981] EIP: 0060:[<c0361a85>] EFLAGS: 00010246 CPU: 1
[  103.984998] EIP is at __mutex_lock_interruptible_slowpath+0x35/0xe0
[  103.985009] EAX: f6783d30 EBX: f7aa0c5c ECX: f7aa0c64 EDX: 00000000
[  103.985020] ESI: f670d400 EDI: f7aa0c60 EBP: f6783d90 ESP: f6783d2c
[  103.985031]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068
[  103.985040] Process kdvb-fe-0 (pid: 6492, ti=f6782000 task=f670d400
task.ti=f
6782000)
[  103.985050] Stack: f7aa0c64 f7aa0c64 00000000 c029e80f f6783d90
00000003 f7aa
0720 f6783d90
[  103.985074]        f8b43b79 f6755d55 00000030 f8cbbaa5 f8cbdb14
0001d729 f7aa
0c5c 00000061
[  103.985094]        f6783d90 f6783dcf f6783d93 f6783db8 f8b84251
f6783dcf 0000
0001 00000000
[  103.985114] Call Trace:
[  103.985129]  [<c029e80f>] release_firmware+0xf/0x20
[  103.985165]  [<f8b43b79>] dvb_usb_generic_rw+0x69/0x190 [dvb_usb]
[  103.985202]  [<f8cbbaa5>] load_all_firmwares+0x415/0x740
[tuner_xc2028]
[  103.985244]  [<f8b84251>] cxusb_ctrl_msg+0xa1/0xd0 [dvb_usb_cxusb]
[  103.985296]  [<f8b84737>] cxusb_bluebird_gpio_rw+0x37/0x50
[dvb_usb_cxusb]
[  103.985321]  [<f8b852a6>] cxusb_bluebird_gpio_pulse+0x56/0x70

[dvb_usb_cxusb]

[  103.985347]  [<f8b85443>] dvico_bluebird_xc2028_callback+0x13/0x30
[dvb_usb_c
xusb]
[  103.985363]  [<f8cbc058>] check_firmware+0x288/0x880 [tuner_xc2028]
[  103.985389]  [<f8b84251>] cxusb_ctrl_msg+0xa1/0xd0 [dvb_usb_cxusb]
[  103.985440]  [<f8b8449f>] cxusb_i2c_xfer+0x21f/0x3c0
[dvb_usb_cxusb]
[  103.985463]  [<f8cbc6b6>] generic_set_freq+0x66/0x500
[tuner_xc2028]
[  103.985495]  [<c01049c7>] common_interrupt+0x23/0x28
[  103.985526]  [<f89f439f>] i2c_transfer+0x6f/0xa0 [i2c_core]
[  103.985572]  [<f8cbce64>] xc2028_set_params+0xf4/0x230
[tuner_xc2028]
[  103.985604]  [<f8b06c95>] zl10353_set_parameters+0x505/0x660
[zl10353]
[  103.985634]  [<c03610c4>] schedule+0x284/0x520
[  103.985698]  [<f8b745b1>] dvb_frontend_swzigzag_autotune+0xc1/0x240
[dvb_core
]
[  103.985769]  [<c01353b0>] process_timeout+0x0/0x10
[  103.985806]  [<f8b74cd9>] dvb_frontend_swzigzag+0x179/0x270
[dvb_core]
[  103.985837]  [<f8b755af>] dvb_frontend_thread+0x38f/0x430
[dvb_core]
[  103.985862]  [<c011d783>] __wake_up_common+0x43/0x70
[  103.985894]  [<c013fe00>] autoremove_wake_function+0x0/0x50
[  103.985925]  [<f8b75220>] dvb_frontend_thread+0x0/0x430 [dvb_core]
[  103.985941]  [<c013faf9>] kthread+0x39/0x70
[  103.985941]  [<c013fac0>] kthread+0x0/0x70
[  103.985941]  [<c0104bd3>] kernel_thread_helper+0x7/0x14
[  103.985941]  =======================
[  103.985941] Code: ec 10 89 f8 64 8b 35 00 80 4d c0 e8 16 0e 00 00

8d 43
08 89
04 24 8d 44 24 04 8b 53 0c 89 43 0c 8b 0c 24 89 54 24 08 89 4c 24 04
<89>
02 ba
ff ff ff ff 89 74 24 0c 89 d0 87 03 83 e8 01 74 5f 87

[  103.985941] EIP:
[<c0361a85>]__mutex_lock_interruptible_slowpath+0x35/0xe0 SS:ESP
0068:f6783d2c
[  103.985941] ---[ end trace 9e886fbc373acdcc ]---

_______________________________________________
linux-dvb mailing list
[email protected]
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

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------------------------------------------------------------------------

_______________________________________________
linux-dvb mailing list
[email protected]
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

_______________________________________________
linux-dvb mailing list
[email protected]
http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb

#1 lore raw
Quoted 6 lines

Robert,

Quoted 3 lines · Robert Lowery
Quoted 3 lines

Can you repeat your tests? I never announced the cxusb tree for testing, and you tested an old copy.
There was a bug in that version, the new version is posted now. After

hearing successful test results using changeset 56b3acf44eae , I will ask Mauro to merge it.

Quoted 3 lines
Quoted 1 line

56b3acf44eae works for me. Please feel free to merge it.

I'm glad to hear it -- I need you to provide a sign-off, in order to

apply your patch.

What do you mean by sign off? I have fully built your tree and confirmed my patch is in it and works.

Quoted 1 line
Quoted 1 line

Also, the i2c read failed messages that I was getting appear to go away

once I plug in the IR cable into this card (I don't use IR on my
mythbackend). Can I suggest the following additional patch to stop
the

Quoted 1 line
Quoted 1 line

logs filling up with noise in this scenario. This makes the logging

consistent with the rest of the driver.

Quoted 2 lines

What i2c read failed message ?!? Why would plugging in the IR cable fix

this?? Can you provide more info? This needs investigation, and I would tend not to mask this error until we know exactly what is happening.

The error message I was getting is
...

[ 1666.695316] dvb-usb: bulk message failed: -110 (4/0)
[ 1666.695347] cxusb: i2c read failed
[ 1669.172638] dvb-usb: bulk message failed: -110 (4/0)
[ 1669.172674] cxusb: i2c read failed
[ 1671.746447] dvb-usb: bulk message failed: -110 (4/0)
[ 1671.746447] cxusb: i2c read failed
[ 1674.411892] dvb-usb: bulk message failed: -110 (4/0)
[ 1674.411892] cxusb: i2c read failed

-110 errno mean timeout. dvb_usb_generic_rw() calls usb_bulk_msg() with a 2 second timeout, which I assume is why I was seeing this message every two seconds or so.

Anyway, I have been unable to reproduce this using drivers from your tree, so maybe it was something wrong with my own tree or the hardware got in a funny state, I'll investigate further if I see it again.

Cheers

-Rob

Quoted 10 lines

Regards,

Mike

Quoted 4 lines

Cheers
-Rob
diff -r 56b3acf44eae linux/drivers/media/dvb/dvb-usb/cxusb.c
--- a/linux/drivers/media/dvb/dvb-usb/cxusb.c Wed Jul 30 18:43:11

2008

Quoted 2 lines
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-0400
+++ b/linux/drivers/media/dvb/dvb-usb/cxusb.c Fri Aug 01 21:12:18

2008

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+1000

(quoted diff) +1 -1
@@ -140,7 +140,7 @@ static int cxusb_i2c_xfer(struct i2c_ada
                        if (cxusb_ctrl_msg(d, CMD_I2C_READ,
                                           obuf, 3,
                                           ibuf, 1+msg[i].len) < 0) {
-                               warn("i2c read failed");
+                               deb_i2c("i2c read failed\n");
                                break;
                        }
                        memcpy(msg[i].buf, &ibuf[1], msg[i].len);
Quoted 5 lines

Please note: this was changed to use the DEFAULT xc3028 firmware -- the au-specific firmware should no longer be necessary.
Regards,
Mike
oobe trouble wrote:

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update i just tested this on 2.6.26 and ubuntu's 2.6.24-19-generic both work
ok

Quoted 1 line · oobe trouble

hi i just tested

http://linuxtv.org/hg/~mkrufky/cxusb/<http://linuxtv.org/hg/%7Emkrufky/cxusb

/>on

Quoted 1 line
Quoted 1 line
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2.6.25.10 havent had a chance to test 2.6.26 but im sure it works

thanks

Quoted 7 lines
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for letting me know about this
and thanks mkrufky

Quoted 3 lines · Robert Lowery

Hi Folks,
I've been successfully using the experimental v4l-dvb tree DVICO Dual Digital 4 drivers for a number of months. Today I decided to try

an

Quoted 3 lines
Quoted 3 lines
Quoted 3 lines
Quoted 3 lines
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use
the official 2.6.26 kernel drivers, but they are triggering an OOPS at firmware load time (see below). Can someone please confirm if the

xc3028-dvico-au-01.fw firmware is still compatible with 2.6.26? or are

Quoted 4 lines
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Quoted 4 lines
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Quoted 4 lines
Quoted 4 lines

there any other known issues in this space?
Thanks
-Rob

[  103.974543] xc2028 1-0061: Loading 3 firmware images from

xc3028-dvico-au-01.fw, type: DViCO DualDig4/Nano2 (Australia), ver 2.7

Quoted 1 line
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[  103.984657] BUG: unable to handle kernel NULL pointer

dereference

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at
00000000

[  103.984690] IP: [<c0361a85>]
__mutex_lock_interruptible_slowpath+0x35/0xe0
[  103.984716] *pde = 00000000
[  103.984731] Oops: 0002 [#1] SMP
[  103.984742] Modules linked in: nfsd auth_rpcgss exportfs

speedstep_lib

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cpufre
q_conservative cpufreq_powersave cpufreq_userspace cpufreq_ondemand

cpufreq_stat

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s freq_table container video output sbs sbshc battery nfs lockd

nfs_acl

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sunrpc i
ptable_filter ip_tables x_tables xfs ac lp tuner_xc2028 zl10353

dvb_usb_cxusb dv

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b_usb snd_maestro3 dvb_core snd_ac97_codec serio_raw ac97_bus

snd_seq_dummy psmo

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use snd_seq_oss snd_seq_midi snd_pcsp snd_rawmidi snd_pcm_oss

snd_mixer_oss snd_

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pcm snd_seq_midi_event snd_seq snd_page_alloc snd_timer snd_seq_device
snd
butto
n i2c_viapro soundcore i2c_core shpchp pci_hotplug via686a via_agp

parport_pc pa

Quoted 1 line
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rport agpgart ipv6 evdev ext3 jbd mbcache sg sr_mod cdrom sd_mod

pata_acpi

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flopp
y pata_sil680 sym53c8xx ehci_hcd e100 uhci_hcd pata_via ata_generic

mii

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usbcore
scsi_transport_spi libata scsi_mod dock thermal processor fan fbcon

tileblit fon

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t bitblit softcursor uvesafb cn fuse

[  103.984962]
[  103.984971] Pid: 6492, comm: kdvb-fe-0 Not tainted
(2.6.26-4-generic
#1)
[  103.984981] EIP: 0060:[<c0361a85>] EFLAGS: 00010246 CPU: 1 [

103.984998] EIP is at

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__mutex_lock_interruptible_slowpath+0x35/0xe0
[  103.985009] EAX: f6783d30 EBX: f7aa0c5c ECX: f7aa0c64 EDX: 00000000
[  103.985020] ESI: f670d400 EDI: f7aa0c60 EBP: f6783d90 ESP: f6783d2c
[  103.985031]  DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [

103.985040] Process kdvb-fe-0 (pid: 6492, ti=f6782000

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task=f670d400
task.ti=f
6782000)

[  103.985050] Stack: f7aa0c64 f7aa0c64 00000000 c029e80f f6783d90

00000003 f7aa

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0720 f6783d90

[  103.985074]        f8b43b79 f6755d55 00000030 f8cbbaa5 f8cbdb14

0001d729 f7aa

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0c5c 00000061

[  103.985094]        f6783d90 f6783dcf f6783d93 f6783db8 f8b84251

f6783dcf 0000

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0001 00000000

[  103.985114] Call Trace:
[  103.985129]  [<c029e80f>] release_firmware+0xf/0x20
[  103.985165]  [<f8b43b79>] dvb_usb_generic_rw+0x69/0x190

[dvb_usb]

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[  103.985202]  [<f8cbbaa5>] load_all_firmwares+0x415/0x740

[tuner_xc2028]

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[  103.985244]  [<f8b84251>] cxusb_ctrl_msg+0xa1/0xd0
[dvb_usb_cxusb]
[  103.985296]  [<f8b84737>] cxusb_bluebird_gpio_rw+0x37/0x50

[dvb_usb_cxusb]

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[  103.985321]  [<f8b852a6>] cxusb_bluebird_gpio_pulse+0x56/0x70

[dvb_usb_cxusb]

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[  103.985347]  [<f8b85443>]
dvico_bluebird_xc2028_callback+0x13/0x30
[dvb_usb_c
xusb]
[  103.985363]  [<f8cbc058>] check_firmware+0x288/0x880

[tuner_xc2028]

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[  103.985389]  [<f8b84251>] cxusb_ctrl_msg+0xa1/0xd0
[dvb_usb_cxusb]
[  103.985440]  [<f8b8449f>] cxusb_i2c_xfer+0x21f/0x3c0
[dvb_usb_cxusb]
[  103.985463]  [<f8cbc6b6>] generic_set_freq+0x66/0x500
[tuner_xc2028]
[  103.985495]  [<c01049c7>] common_interrupt+0x23/0x28
[  103.985526]  [<f89f439f>] i2c_transfer+0x6f/0xa0 [i2c_core] [

103.985572] [<f8cbce64>] xc2028_set_params+0xf4/0x230

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[tuner_xc2028]

[  103.985604]  [<f8b06c95>] zl10353_set_parameters+0x505/0x660

[zl10353]

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[  103.985634]  [<c03610c4>] schedule+0x284/0x520
[  103.985698]  [<f8b745b1>]
dvb_frontend_swzigzag_autotune+0xc1/0x240
[dvb_core
]
[  103.985769]  [<c01353b0>] process_timeout+0x0/0x10
[  103.985806]  [<f8b74cd9>] dvb_frontend_swzigzag+0x179/0x270

[dvb_core]

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[  103.985837]  [<f8b755af>] dvb_frontend_thread+0x38f/0x430

[dvb_core]

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[  103.985862]  [<c011d783>] __wake_up_common+0x43/0x70
[  103.985894]  [<c013fe00>] autoremove_wake_function+0x0/0x50 [

103.985925] [<f8b75220>] dvb_frontend_thread+0x0/0x430

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[dvb_core]

[  103.985941]  [<c013faf9>] kthread+0x39/0x70
[  103.985941]  [<c013fac0>] kthread+0x0/0x70
[  103.985941]  [<c0104bd3>] kernel_thread_helper+0x7/0x14
[  103.985941]  =======================
[  103.985941] Code: ec 10 89 f8 64 8b 35 00 80 4d c0 e8 16 0e 00

00

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8d 43
08 89
04 24 8d 44 24 04 8b 53 0c 89 43 0c 8b 0c 24 89 54 24 08 89 4c 24
04
<89>
02 ba
ff ff ff ff 89 74 24 0c 89 d0 87 03 83 e8 01 74 5f 87

[  103.985941] EIP:

[<c0361a85>]__mutex_lock_interruptible_slowpath+0x35/0xe0 SS:ESP

0068:f6783d2c

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[  103.985941] ---[ end trace 9e886fbc373acdcc ]---

_______________________________________________
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#2 lore raw
Quoted 4 lines · Robert Lowery
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I'm glad to hear it -- I need you to provide a sign-off, in order to apply your patch.

What do you mean by sign off? I have fully built your tree and confirmed my patch is in it and works.

Please see http://linuxtv.org/hg/v4l-dvb/file/tip/README.patches

specifically this section:

e) All patches shall have a Developers Certificate of Origin

Regards,
Mike

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