On 4/26/08, Steffen Schulz <pepe_ml@xxxxxxx> wrote: > On 080426 at 23:00, Markus Rechberger wrote: > > cd xc3028 > > make > > insmod xc3028-tuner.ko > > > > and replug your device. > > Cool, this actually works. The driver seems very unstable though. > Somewhere between replugging and rmmod, in case it helps: > > xc3028 I2C read failed > zl10353: write to reg 62 failed (err = -71)! > zl10353: write to reg 5f failed (err = -71)! > zl10353: write to reg 71 failed (err = -71)! > zl10353_read_register: readreg error (reg=6, ret==-71) > zl10353_read_register: readreg error (reg=10, ret==-71) > zl10353_read_register: readreg error (reg=11, ret==-71) > zl10353_read_register: readreg error (reg=16, ret==-71) > zl10353_read_register: readreg error (reg=17, ret==-71) > zl10353_read_register: readreg error (reg=18, ret==-71) > zl10353_read_register: readreg error (reg=19, ret==-71) > zl10353_read_register: readreg error (reg=20, ret==-71) > zl10353_read_register: readreg error (reg=21, ret==-71) > zl10353: write to reg 62 failed (err = -71)! device node locking is uncommented in the driver, this can cause some troubles with newer kernels... I'll put it in within the next hour including powermanagement.for that device. > usb 7-1.1.4: USB disconnect, address 18 ok here we have a disconnect > BUG: unable to handle kernel NULL pointer dereference at virtual address > 00000000 > printing eip: f8b86369 *pde = 00000000 > Oops: 0000 [#1] SMP > Modules linked in: twofish twofish_common serpent blowfish des_generic > ecb xcbc md5 hmac em28xx_dvb em28xx xc3028_tuner dvb_core drx3973d > lgdt3304_demod(P) zl10353_demod videodev bridge llc nvidia(P) i2c_core > deflate zlib_deflate zlib_inflate crypto_hash af_key dm_snapshot > applesmc led_class appletouch input_polldev fuse aes_generic coretemp > hwmon compat_ioctl32 v4l1_compat v4l2_common usbhid snd_hda_intel > wlan_scan_sta ath_rate_sample snd_pcm_oss snd_mixer_oss snd_pcm > snd_timer snd soundcore snd_page_alloc ehci_hcd sky2 ath_pci wlan > ath_hal(P) uhci_hcd usbcore backlight intel_agp agpgart > > Pid: 8486, comm: rmmod Tainted: P (2.6.24.4-mactel #3) > EIP: 0060:[<f8b86369>] EFLAGS: 00210206 CPU: 1 > EIP is at dvb_unregister_device+0x19/0x60 [dvb_core] > EAX: 00000000 EBX: f5c6de80 ECX: f8bf7e20 EDX: 0d400000 > ESI: f6f9ea98 EDI: f59bb000 EBP: e0c14000 ESP: e0c15f14 > DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068 > Process rmmod (pid: 8486, ti=e0c14000 task=f7d38570 task.ti=e0c14000) > Stack: 00000000 f8b8f8dd c035b32c 00000001 c03ade57 c0154e30 e0c15f9c > 00000000 > f6f9e800 f89e824f c0154e30 f89eb2e0 00000000 00000000 f8bdf12c > f89eb340 > f8830000 f89eb340 c0154932 38326d65 645f7878 00006276 c016bfe1 > b7f32000 > Call Trace: > [<f8b8f8dd>] dvb_net_release+0x1d/0xa0 [dvb_core] this bug moreover seems to be dvb_core related... the deregistration of dvbnet happens before anything else gets freed in the em2880-dvb driver. > [<c035b32c>] wait_for_common+0x1c/0x120 > [<c0154e30>] __try_stop_module+0x0/0x80 > [<f89e824f>] em2880_dvb_fini+0x2f/0x100 [em28xx_dvb] > [<c0154e30>] __try_stop_module+0x0/0x80 > [<f8bdf12c>] em28xx_unregister_extension+0x3c/0x80 [em28xx] > [<c0154932>] sys_delete_module+0x112/0x1c0 > [<c016bfe1>] remove_vma+0x41/0x50 > [<c016caf0>] do_munmap+0x180/0x1f0 > [<c01053a6>] sysenter_past_esp+0x6b/0xa1 > ======================= > Code: e8 9d 54 7d c7 89 d8 83 c4 14 5b 5e 5f 5d c3 8d 76 00 85 c0 53 89 c3 > 74 4a 8b 50 14 c1 e2 04 0b 50 10 8b 40 0c 81 ca 00 00 40 0d <8b> 00 > c1 e0 06 09 c2 a1 c4 99 b9 f8 e8 36 ae 71 c7 8b 43 04 8b > EIP: [<f8b86369>] dvb_unregister_device+0x19/0x60 [dvb_core] SS:ESP > 0068:e0c15f14 > ---[ end trace 8105d0de6db48a92 ]--- > > > -- > In truth, death may be the only true freedom there is. > - Kaworu Nagisa > > _______________________________________________ > linux-dvb mailing list > linux-dvb@xxxxxxxxxxx > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb