[Spca50x-devs] gspca v2 "oops" when compiling latest driver

["Cláudio Sampaio" <patola@xxxxxxxxx>]

It was working about one week ago. Now, I plug in my webcam and then:

[116967.695289] usbcore: registered new interface driver zc3xx
[116967.695292] zc3xx: v2.1.7 registered
[117841.318786] notes2w[22442]: segfault at 00000000 eip b7d2ffe5 esp bfb89e40 error 6
[129721.568322] BUG: unable to handle kernel NULL pointer dereference at virtual address 00000000
[129721.568330] printing eip: f966e321 *pde = 00000000
[129721.568335] Oops: 0000 [#1] SMP
[129721.568339] Modules linked in: gspca_zc3xx gspca_main videodev v4l1_compat nls_cp437 cifs esp4 xfrm4_mode_tunnel dummy ipv6 af_packet snd_rtctimer wlan_scan_sta wlan_xauth ath_pci wlan ath_hal(P) binfmt_misc rfcomm l2cap i915 drm ppdev autofs4 container sbs bay sbshc dock acpi_cpufreq cpufreq_powersave cpufreq_stats cpufreq_userspace cpufreq_ondemand cpufreq_conservative freq_table nsc_ircc iptable_filter ip_tables x_tables deflate zlib_deflate twofish twofish_common camellia serpent blowfish des_generic cbc ecb blkcipher xcbc sha256_generic sha1_generic crypto_null af_key xfs aes_i586 dm_crypt ndiswrapper parport_pc lp parport loop joydev pcmcia snd_hda_intel snd_pcm_oss snd_mixer_oss snd_pcm snd_page_alloc snd_hwdep snd_seq_dummy hci_usb snd_seq_oss bluetooth battery yenta_socket rsrc_nonstatic pcmcia_core snd_seq_midi ac irtty_sir snd_rawmidi snd_seq_midi_event snd_seq sir_dev psmouse snd_timer snd_seq_device thinkpad_acpi video output snd serio_raw nvram intel_agp button irda soundcore agpgart iTCO_wdt iTCO_vendor_support evdev crc_ccitt pcspkr shpchp pci_hotplug reiserfs sr_mod cdrom sg sd_mod ata_piix usbhid hid ata_generic ahci pata_acpi libata scsi_mod ehci_hcd uhci_hcd usbcore e1000 dm_mirror dm_snapshot dm_mod thermal processor fan fbcon tileblit font bitblit softcursor fuse
[129721.568430]
[129721.568432] Pid: 25262, comm: kopete Tainted: P        (2.6.24-19-generic #1)
[129721.568435] EIP: 0060:[<f966e321>] EFLAGS: 00210292 CPU: 0
[129721.568443] EIP is at setcontrast+0x31/0x2f0 [gspca_zc3xx]
[129721.568445] EAX: ef242000 EBX: f9673700 ECX: 0000007f EDX: 00000000
[129721.568448] ESI: ef242000 EDI: f71b3000 EBP: 00000000 ESP: c1c01d34
[129721.568451]  DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
[129721.568453] Process kopete (pid: 25262, ti=c1c00000 task=d0fc8b80 task.ti=c1c00000)
[129721.568456] Stack: 0000e774 000001cb 0000000f 000000a0 80000200 f71b3000 00000000 0000000f
[129721.568462]        ef242000 f71b3000 00000000 f966e0e8 00000040 0000000f 000001cb f9673700
[129721.568468]        ef242000 f71b3000 00000020 f966f62b ef319440 f7d2d44c ef319400 ef242000
[129721.568474] Call Trace:
[129721.568536]  [<f966e0e8>] reg_w_i+0x48/0x50 [gspca_zc3xx]
[129721.568579]  [<f966f62b>] sd_start+0x12b/0x4a0 [gspca_zc3xx]
[129721.568616]  [<f963fb87>] vidioc_streamon+0x207/0x320 [gspca_main]
[129721.568634]  [<c031b3c8>] mutex_lock_interruptible+0x8/0x20
[129721.568686]  [<f9635acc>] __video_do_ioctl+0x116c/0x3d10 [videodev]
[129721.568713]  [<c021629b>] kref_put+0x2b/0xa0
[129721.568725]  [<c021629b>] kref_put+0x2b/0xa0
[129721.568784]  [<c016f464>] __generic_file_aio_write_nolock+0x2a4/0x540
[129721.568863]  [<c016da2f>] find_lock_page+0x2f/0xb0
[129721.568891]  [<c016ff76>] filemap_fault+0x216/0x420
[129721.568956]  [<f9638a95>] video_ioctl2+0xc5/0x220 [videodev]
[129721.569147]  [<c019dff8>] do_ioctl+0x78/0x90
[129721.569176]  [<c019e23e>] vfs_ioctl+0x22e/0x2b0
[129721.569208]  [<c019e316>] sys_ioctl+0x56/0x70
[129721.569230]  [<c01043c2>] sysenter_past_esp+0x6b/0xa9
[129721.569314]  =======================
[129721.569315] Code: 3c 8b 90 70 03 00 00 89 54 24 24 0f b6 90 46 09 00 00 8b 0c 95 18 04 67 f9 8b 2c 95 34 04 67 f9 89 4c 24 28 0f b6 88 45 09 00 00 <0f> b6 7d 00 8d 41 80 0f af f8 f6 05 40 2f 64 f9 04 0f 85 0d 01
[129721.569347] EIP: [<f966e321>] setcontrast+0x31/0x2f0 [gspca_zc3xx] SS:ESP 0068:c1c01d34
[129721.569372] ---[ end trace f3fc2bd375e57f12 ]---


--
de nada vale
erguer mãos e olhos
para um céu tão longe,
para um deus tão longe
ou, quem sabe? para um céu vazio.

(Carlos Drummond de Andrade, "Coisa Miserável")

-------------------------------------------------------------------------
This SF.Net email is sponsored by the Moblin Your Move Developer's challenge
Build the coolest Linux based applications with Moblin SDK & win great prizes
Grand prize is a trip for two to an Open Source event anywhere in the world
http://moblin-contest.org/redirect.php?banner_id=100&url=/

_______________________________________________
Spca50x-devs mailing list
Spca50x-devs@xxxxxxxxxxxxxxxxxxxxx
https://lists.sourceforge.net/lists/listinfo/spca50x-devs