Patrick Boisvenue wrote: > Michael Krufky wrote: >> On Fri, Sep 12, 2008 at 2:24 PM, Patrick Boisvenue <patrbois@xxxxxxxx> wrote: >>> Andy Walls wrote: >>>> On Wed, 2008-09-10 at 20:37 -0400, Patrick Boisvenue wrote: >>>>> Andy Walls wrote: >>>>>> On Tue, 2008-09-09 at 22:37 -0400, Steven Toth wrote: >>>>>>> Patrick Boisvenue wrote: >>>>>>>> Steven Toth wrote: >>>>>>>>> Patrick Boisvenue wrote: >>>>>>>> When launching dvbscan I get the following in dmesg: >>>>>>>> >>>>>>>> xc5000: waiting for firmware upload (dvb-fe-xc5000-1.1.fw)... >>>>>>>> firmware: requesting dvb-fe-xc5000-1.1.fw >>>>>>>> kobject_add_internal failed for i2c-2 with -EEXIST, don't try to >>>>>>>> register things with the same name in the same directory. >>>>>>>> Pid: 8059, comm: kdvb-fe-0 Tainted: P 2.6.26-gentoo #11 >>>>>>>> >>>>>>>> Call Trace: >>>>>>>> [<ffffffff8036abb5>] kobject_add_internal+0x13f/0x17e >>>>>>>> [<ffffffff8036aff2>] kobject_add+0x74/0x7c >>>>>>>> [<ffffffff80230b02>] printk+0x4e/0x56 >>>>>>>> [<ffffffff803eb84a>] device_add+0x9b/0x483 >>>>>>>> [<ffffffff8036a876>] kobject_init+0x41/0x69 >>>>>>>> [<ffffffff803f059d>] _request_firmware+0x169/0x324 >>>>>>>> [<ffffffffa00e9a7e>] :xc5000:xc_load_fw_and_init_tuner+0x64/0x293 >>>>>>>> [<ffffffff804a7222>] i2c_transfer+0x75/0x7f >>>>>>>> [<ffffffffa00e53ad>] :s5h1409:s5h1409_writereg+0x51/0x83 >>>>>>>> [<ffffffffa00e9cea>] :xc5000:xc5000_init+0x3d/0x6f >>>>>>>> [<ffffffffa0091b0c>] :dvb_core:dvb_frontend_init+0x49/0x63 >>>>>>>> [<ffffffffa0092e2c>] :dvb_core:dvb_frontend_thread+0x78/0x2f0 >>>>>>>> [<ffffffffa0092db4>] :dvb_core:dvb_frontend_thread+0x0/0x2f0 >>>>>>>> [<ffffffff80240eaf>] kthread+0x47/0x74 >>>>>>>> [<ffffffff8022bc41>] schedule_tail+0x27/0x5b >>>>>>>> [<ffffffff8020be18>] child_rip+0xa/0x12 >>>>>>>> [<ffffffff80240e68>] kthread+0x0/0x74 >>>>>>>> [<ffffffff8020be0e>] child_rip+0x0/0x12 >>>>>>>> >>>>>>>> fw_register_device: device_register failed >>>>>>>> xc5000: Upload failed. (file not found?) >>>>>>>> xc5000: Unable to initialise tuner >>>>>>>> >>>>>>>> >>>>>>>> I have the firmware file located here: >>>>>>>> >>>>>>>> # ls -l /lib/firmware/dvb-fe-xc5000-1.1.fw >>>>>>>> -rw-r--r-- 1 root root 12332 Aug 31 12:56 >>>>>>>> /lib/firmware/dvb-fe-xc5000-1.1.fw >>>>>>>> >>>>>>>> If there is anything else I can provide (or try) to help debug, let me >>>>>>>> know, >>>>>>>> ...Patrick >>>>>>> > kobject_add_internal failed for i2c-2 with -EEXIST, don't try to >>>>>>> > register things with the same name in the same directory. >>>>>>> >>>>>>> Ooh, that's nasty problem, this is new - and looks like it's i2c related. >>>>>>> >>>>>>> Why does this sound familiar? Anyone? >>>>>> A cx18 user had a similar problem on one distro. I remeber running it >>>>>> down to a race condition in creating device nodes in one of the >>>>>> "virtual" filesystems (/proc or /sys) the device was looking for a >>>>>> paretn PCI device entry to hook onto, but it wasn't created at the time >>>>>> so it tries to create it itself. In the meantime some other part of the >>>>>> kernel subsystem did actually finish creating the entry - so it exists >>>>>> by the time the firmware load tries to make it. >>>>>> >>>>>> As far as I could tell, it should be non-fatal (not an Oops or panic), >>>>>> but if the driver gives up on -EEXIST then things won't work obviously. >>>>>> >>>>>> I never resolved the problem for the user. I think some kernel change >>>>>> outside of cx18 resolved it. That's all the details I have. >>>>>> >>>>>> Regards, >>>>>> Andy >>>>>> >>>>> So what are my options? >>>> Good question. I don't know. Working with kobjects is way out of my >>>> knowledge base. >>>> >>>> I looked at the kernel code long enough to decide that without being >>>> able to reproduce the problem myself, I won't be able to spot the root >>>> cause. Part of the reason is that this problem is about looking for and >>>> creating sysfs objects as it relates to driver probing and firmware >>>> loading. I couldn't quite sort out what had to happen in series and >>>> what the kernel could be executing in parallel. >>>> >>>> I think your best option would be to post to the LKML or wherever else >>>> the sysfs and kobject experts hang out. >>>> >>>> Another option could be to modify the driver code that gives up when the >>>> firmware operation returns an error code because a sysfs device node >>>> already exists (-EEXIST). That's no big deal, and a driver should be >>>> able to merrily go forward, if it can easily detect the condition. >>>> >>>> >>> More observations before I go bother people LKML. This is the error >>> with an older 2.6.25 kernel. The dmesg output is more interesting. >>> >>> >>> xc5000: waiting for firmware upload (dvb-fe-xc5000-1.1.fw)... >>> >>> >>> sysfs: duplicate filename 'i2c-1' can not be created >>> >>> >> Patrick, >> >> This particular issue may have been fixed by my recent xc5000 patches >> that were merged into the master branch a few days ago... >> >> Try pulling the v4l-dvb master branch -- that might help. >> >> HTH, >> >> Mike > > No change. Same error. Just to confirm I'm up to date, this is an > output of "hg heads" for what I pulled in. > > changeset: 8964:e5ca4534b543 > tag: tip > user: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > date: Tue Sep 09 08:29:56 2008 -0700 > summary: s2255drv field count fix > > changeset: 8924:c793bb42e052 > user: Steven Toth <stoth@xxxxxxxxxxx> > date: Tue Sep 09 10:52:06 2008 -0400 > summary: cx23885: Fix for HVR1500Q eeprom offset decoding > > ...Patrick > see new dmesg output at end of message. > >>> ------------[ cut here ]------------ >>> >>> >>> WARNING: at fs/sysfs/dir.c:424 sysfs_add_one+0x3f/0x93() >>> >>> >>> Modules linked in: wlan_wep xc5000 s5h1409 cx23885 compat_ioctl32 >>> videodev v4l1_compat cx2341x wlan_scan_sta videobuf_dma_sg >>> ath_rate_sample v4l2_common btcx_risc tveeprom ath_pci videobuf_dvb >>> dvb_core wlan ath_hal(P) videobuf_core >>> >>> Pid: 7730, comm: kdvb-fe-0 Tainted: P 2.6.25-gentoo-r6 #2 >>> >>> >>> >>> Call Trace: >>> [<ffffffff8023019d>] warn_on_slowpath+0x51/0x63 >>> [<ffffffff80230ef4>] printk+0x4e/0x56 >>> [<ffffffff8029143a>] find_inode+0x28/0x6d >>> [<ffffffff802bea5c>] sysfs_ilookup_test+0x0/0xf >>> [<ffffffff8029156e>] ifind+0x44/0x8d >>> [<ffffffff802bec58>] sysfs_find_dirent+0x1b/0x2f >>> [<ffffffff802becab>] sysfs_add_one+0x3f/0x93 >>> [<ffffffff802bf1fe>] create_dir+0x4f/0x87 >>> [<ffffffff802bf26b>] sysfs_create_dir+0x35/0x4a >>> [<ffffffff80366f6a>] kobject_get+0x12/0x17 >>> [<ffffffff8036708f>] kobject_add_internal+0xc3/0x17e >>> [<ffffffff80367224>] kobject_add_varg+0x54/0x61 >>> [<ffffffff802296d6>] __wake_up+0x38/0x4f >>> [<ffffffff80367581>] kobject_add+0x74/0x7c >>> [<ffffffff880cb43e>] :cx23885:i2c_readbytes+0x1ae/0x25d >>> [<ffffffff80230ef4>] printk+0x4e/0x56 >>> [<ffffffff803e647a>] device_add+0x85/0x4a4 >>> [<ffffffff80366e05>] kobject_init+0x41/0x69 >>> [<ffffffff803ebe58>] _request_firmware+0x154/0x30f >>> [<ffffffff880e3a7e>] :xc5000:xc_load_fw_and_init_tuner+0x64/0x293 >>> [<ffffffff804ac2c7>] i2c_transfer+0x75/0x7f >>> [<ffffffff880df3ad>] :s5h1409:s5h1409_writereg+0x51/0x83 >>> [<ffffffff880e3cea>] :xc5000:xc5000_init+0x3d/0x6f >>> [<ffffffff8806ab0c>] :dvb_core:dvb_frontend_init+0x49/0x63 >>> [<ffffffff8806be8d>] :dvb_core:dvb_frontend_thread+0x78/0x307 >>> [<ffffffff8806be15>] :dvb_core:dvb_frontend_thread+0x0/0x307 >>> [<ffffffff80241392>] kthread+0x47/0x75 >>> [<ffffffff8022bc6a>] schedule_tail+0x27/0x5c >>> [<ffffffff8020bc88>] child_rip+0xa/0x12 >>> [<ffffffff8024134b>] kthread+0x0/0x75 >>> [<ffffffff8020bc7e>] child_rip+0x0/0x12 >>> >>> ---[ end trace 01bdacc4ebef05bf ]--- >>> kobject_add_internal failed for i2c-1 with -EEXIST, don't try to >>> register things with the same name in the same directory. >>> Pid: 7730, comm: kdvb-fe-0 Tainted: P 2.6.25-gentoo-r6 #2 >>> >>> Call Trace: >>> [<ffffffff8036710b>] kobject_add_internal+0x13f/0x17e >>> [<ffffffff80367224>] kobject_add_varg+0x54/0x61 >>> [<ffffffff802296d6>] __wake_up+0x38/0x4f >>> [<ffffffff80367581>] kobject_add+0x74/0x7c >>> [<ffffffff880cb43e>] :cx23885:i2c_readbytes+0x1ae/0x25d >>> [<ffffffff80230ef4>] printk+0x4e/0x56 >>> [<ffffffff803e647a>] device_add+0x85/0x4a4 >>> [<ffffffff80366e05>] kobject_init+0x41/0x69 >>> [<ffffffff803ebe58>] _request_firmware+0x154/0x30f >>> [<ffffffff880e3a7e>] :xc5000:xc_load_fw_and_init_tuner+0x64/0x293 >>> [<ffffffff804ac2c7>] i2c_transfer+0x75/0x7f >>> [<ffffffff880df3ad>] :s5h1409:s5h1409_writereg+0x51/0x83 >>> [<ffffffff880e3cea>] :xc5000:xc5000_init+0x3d/0x6f >>> [<ffffffff8806ab0c>] :dvb_core:dvb_frontend_init+0x49/0x63 >>> [<ffffffff8806be8d>] :dvb_core:dvb_frontend_thread+0x78/0x307 >>> [<ffffffff8806be15>] :dvb_core:dvb_frontend_thread+0x0/0x307 >>> [<ffffffff80241392>] kthread+0x47/0x75 >>> [<ffffffff8022bc6a>] schedule_tail+0x27/0x5c >>> [<ffffffff8020bc88>] child_rip+0xa/0x12 >>> [<ffffffff8024134b>] kthread+0x0/0x75 >>> [<ffffffff8020bc7e>] child_rip+0x0/0x12 >>> >>> fw_register_device: device_register failed >>> xc5000: Upload failed. (file not found?) >>> xc5000: Unable to initialise tuner > Attaching new dmesg output anyway since the address offsets have changed: xc5000: waiting for firmware upload (dvb-fe-xc5000-1.1.fw)... sysfs: duplicate filename 'i2c-1' can not be created ------------[ cut here ]------------ WARNING: at fs/sysfs/dir.c:424 sysfs_add_one+0x3f/0x93() Modules linked in: xc5000 s5h1409 cx23885 compat_ioctl32 videodev v4l1_compat cx2341x videobuf_dma_sg v4l2_common btcx_risc tveeprom videobuf_dvb dvb_core videobuf_core wlan_wep wlan_scan_sta ath_rate_sample ath_pci wlan ath_hal(P) [last unloaded: v4l1_compat] Pid: 13677, comm: kdvb-fe-0 Tainted: P 2.6.25-gentoo-r6 #2 Call Trace: [<ffffffff8023019d>] warn_on_slowpath+0x51/0x63 [<ffffffff80230ef4>] printk+0x4e/0x56 [<ffffffff8029143a>] find_inode+0x28/0x6d [<ffffffff802bea5c>] sysfs_ilookup_test+0x0/0xf [<ffffffff8029156e>] ifind+0x44/0x8d [<ffffffff802bec58>] sysfs_find_dirent+0x1b/0x2f [<ffffffff802becab>] sysfs_add_one+0x3f/0x93 [<ffffffff802bf1fe>] create_dir+0x4f/0x87 [<ffffffff802bf26b>] sysfs_create_dir+0x35/0x4a [<ffffffff80366f6a>] kobject_get+0x12/0x17 [<ffffffff8036708f>] kobject_add_internal+0xc3/0x17e [<ffffffff80367224>] kobject_add_varg+0x54/0x61 [<ffffffff802296d6>] __wake_up+0x38/0x4f [<ffffffff80367581>] kobject_add+0x74/0x7c [<ffffffff880cb43e>] :cx23885:i2c_readbytes+0x1ae/0x25d [<ffffffff80230ef4>] printk+0x4e/0x56 [<ffffffff803e647a>] device_add+0x85/0x4a4 [<ffffffff80366e05>] kobject_init+0x41/0x69 [<ffffffff803ebe58>] _request_firmware+0x154/0x30f [<ffffffff880e2a29>] :xc5000:xc_load_fw_and_init_tuner+0x64/0x2ad [<ffffffff804ac2c7>] i2c_transfer+0x75/0x7f [<ffffffff880de3ad>] :s5h1409:s5h1409_writereg+0x51/0x83 [<ffffffff880e2caf>] :xc5000:xc5000_init+0x3d/0x6f [<ffffffff8806ab0c>] :dvb_core:dvb_frontend_init+0x49/0x63 [<ffffffff8806be8d>] :dvb_core:dvb_frontend_thread+0x78/0x307 [<ffffffff8806be15>] :dvb_core:dvb_frontend_thread+0x0/0x307 [<ffffffff80241392>] kthread+0x47/0x75 [<ffffffff8022bc6a>] schedule_tail+0x27/0x5c [<ffffffff8020bc88>] child_rip+0xa/0x12 [<ffffffff8024134b>] kthread+0x0/0x75 [<ffffffff8020bc7e>] child_rip+0x0/0x12 ---[ end trace 01bdacc4ebef05bf ]--- kobject_add_internal failed for i2c-1 with -EEXIST, don't try to register things with the same name in the same directory. Pid: 13677, comm: kdvb-fe-0 Tainted: P 2.6.25-gentoo-r6 #2 Call Trace: [<ffffffff8036710b>] kobject_add_internal+0x13f/0x17e [<ffffffff80367224>] kobject_add_varg+0x54/0x61 [<ffffffff802296d6>] __wake_up+0x38/0x4f [<ffffffff80367581>] kobject_add+0x74/0x7c [<ffffffff880cb43e>] :cx23885:i2c_readbytes+0x1ae/0x25d [<ffffffff80230ef4>] printk+0x4e/0x56 [<ffffffff803e647a>] device_add+0x85/0x4a4 [<ffffffff80366e05>] kobject_init+0x41/0x69 [<ffffffff803ebe58>] _request_firmware+0x154/0x30f [<ffffffff880e2a29>] :xc5000:xc_load_fw_and_init_tuner+0x64/0x2ad [<ffffffff804ac2c7>] i2c_transfer+0x75/0x7f [<ffffffff880de3ad>] :s5h1409:s5h1409_writereg+0x51/0x83 [<ffffffff880e2caf>] :xc5000:xc5000_init+0x3d/0x6f [<ffffffff8806ab0c>] :dvb_core:dvb_frontend_init+0x49/0x63 [<ffffffff8806be8d>] :dvb_core:dvb_frontend_thread+0x78/0x307 [<ffffffff8806be15>] :dvb_core:dvb_frontend_thread+0x0/0x307 [<ffffffff80241392>] kthread+0x47/0x75 [<ffffffff8022bc6a>] schedule_tail+0x27/0x5c [<ffffffff8020bc88>] child_rip+0xa/0x12 [<ffffffff8024134b>] kthread+0x0/0x75 [<ffffffff8020bc7e>] child_rip+0x0/0x12 fw_register_device: device_register failed xc5000: Upload failed. (file not found?) xc5000: Unable to initialise tuner _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
