> 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. 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. 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 @@ -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); > > 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: >> update i just tested this on 2.6.26 and ubuntu's 2.6.24-19-generic both >> work >> ok >> >> On Thu, Jul 31, 2008 at 1:26 PM, oobe trouble >> <oobe.trouble@xxxxxxxxx>wrote: >> >>> hi i just tested >>> http://linuxtv.org/hg/~mkrufky/cxusb/<http://linuxtv.org/hg/%7Emkrufky/cxusb/>on >>> 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 >>> >>> On Wed, Jul 23, 2008 at 12:57 PM, Robert Lowery >>> <rglowery@xxxxxxxxxxxxxx>wrote: >>> >>>> 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 ]--- >>>> >>>> >>>> >>>> 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