Takashi Iwai wrote: > At Tue, 18 Dec 2007 16:28:59 +0000, > Ivan N. Zlatev wrote: >> On 12/18/07, Takashi Iwai <tiwai@xxxxxxx> wrote: >>> At Tue, 18 Dec 2007 15:24:45 +0000, >>> Ivan N. Zlatev wrote: >>>> When loading snd-hda-intel from Alsa HG I get a NULL pointer >>>> dereference and the trace below. The card is with the following codec: >>>> >>>> Codec: SigmaTel STAC9228 >>>> Address: 0 >>>> Vendor Id: 0x83847616 >>>> Subsystem Id: 0x10280227 >>>> Revision Id: 0x100201 >>>> >>>> The trace: >>>> >>>> ALSA /home/ivanz/svn/alsa/alsa-driver/pci/hda/hda_codec.c:2792: >>>> autoconfig: line_outs=1 (0xf/0x0/0x0/0x0/0x0) >>>> ALSA /home/ivanz/svn/alsa/alsa-driver/pci/hda/hda_codec.c:2796: >>>> speaker_outs=1 (0xd/0x0/0x0/0x0/0x0) >>>> ALSA /home/ivanz/svn/alsa/alsa-driver/pci/hda/hda_codec.c:2800: >>>> hp_outs=1 (0xa/0x0/0x0/0x0/0x0) >>>> ALSA /home/ivanz/svn/alsa/alsa-driver/pci/hda/hda_codec.c:2808: >>>> inputs: mic=0x13, fmic=0x0, line=0xe, fline=0x0, cd=0x0, aux=0x0 >>>> ALSA /home/ivanz/svn/alsa/alsa-driver/pci/hda/../../alsa-kernel/pci/hda/patch_sigmatel.c:2088: >>>> dac_nids=2 (0x5/0x4/0x0/0x0/0x0) >>>> BUG: unable to handle kernel NULL pointer dereference at virtual >>>> address 00000000 >>>> printing eip: >>>> f91cfcb0 >>>> *pde = 00000000 >>>> Oops: 0000 [#1] >>>> SMP >>>> last sysfs file: /devices/pci0000:00/0000:00:1c.1/0000:0c:00.0/cmd >>>> Modules linked in: snd_hda_intel snd_pcm snd_timer snd_page_alloc >>>> snd_hwdep snd soundcore nls_iso8859_1 nls_cp437 vfat fat usb_storage >>>> ide_core rndis_host cdc_ether usbnet mii aes_i586 ieee80211_crypt_ccmp >>>> af_packet xt_tcpudp xt_pkttype ipt_LOG xt_limit vboxdrv ipt_REJECT >>>> xt_state iptable_mangle iptable_nat nf_nat iptable_filter >>>> nf_conntrack_ipv4 nf_conntrack nfnetlink ip_tables ip6_tables x_tables >>>> cpufreq_conservative cpufreq_userspace cpufreq_powersave acpi_cpufreq >>>> speedstep_lib microcode apparmor loop dm_mod rfcomm l2cap nvidia(P) >>>> ipw3945 sdhci ohci1394 ieee1394 mmc_core ieee80211 hci_usb ac >>>> ieee80211_crypt battery i2c_i801 button tg3 rtc_cmos bluetooth >>>> rtc_core sr_mod rtc_lib cdrom intel_agp firmware_class i2c_core >>>> agpgart sg usbhid hid ff_memless sd_mod ehci_hcd uhci_hcd usbcore edd >>>> ext3 mbcache jbd fan ata_piix ahci libata scsi_mod thermal processor >>>> CPU: 1 >>>> EIP: 0060:[<f91cfcb0>] Tainted: P N VLI >>>> EFLAGS: 00010246 (2.6.22.13-0.3-default #1) >>>> EIP is at stac92xx_dmux_enum_put+0x28/0x3c [snd_hda_intel] >>>> eax: 00000000 ebx: 00000000 ecx: f54b7014 edx: d7e241ec >>>> esi: d7e24014 edi: f71e6014 ebp: 00000000 esp: d9ea1ea0 >>>> ds: 007b es: 007b fs: 00d8 gs: 0033 ss: 0068 >>>> Process alsactl (pid: 25097, ti=d9ea0000 task=c7457030 task.ti=d9ea0000) >>>> Stack: 00000000 d7e240a4 f54b7014 cbe43694 fffffff3 f911c2b3 cbe43694 c2175154 >>>> df8a4c14 df8a4d60 df8a4c14 00000000 f54b7014 df8a4dc4 f911cd85 cb940b7c >>>> c03c5aec f52693c0 f52693c0 bf8ef020 c2175154 c0172331 c016e87a dfbef2c0 >>>> Call Trace: >>>> [<f911c2b3>] snd_ctl_elem_write+0xa6/0xe6 [snd] >>>> [<f911cd85>] snd_ctl_ioctl+0x494/0x7af [snd] >>>> [<c0172331>] chrdev_open+0x0/0x133 >>>> [<c016e87a>] __dentry_open+0xe4/0x178 >>>> [<c016e988>] nameidata_to_filp+0x24/0x33 >>>> [<c016e9ce>] do_filp_open+0x37/0x3e >>>> [<f911c8f1>] snd_ctl_ioctl+0x0/0x7af [snd] >>>> [<c017a13d>] do_ioctl+0x21/0xa0 >>>> [<c017a3f3>] vfs_ioctl+0x237/0x249 >>>> [<c017a451>] sys_ioctl+0x4c/0x67 >>>> [<c0104e22>] sysenter_past_esp+0x6b/0xa9 >>>> [<c02c0000>] unix_bind+0x5e/0x28e >>>> ======================= >>>> Code: 31 c0 c3 57 89 d1 56 53 83 ec 08 8b 78 60 8b 5a 3c 2b 58 44 8b >>>> 77 4c 8d 84 9e 90 00 00 00 8b 96 8c 00 00 00 89 44 24 04 8b 46 6c <0f> >>>> b7 04 58 89 04 24 89 f8 e8 99 24 ff ff 5f 5a 5b 5e 5f c3 53 >>>> EIP: [<f91cfcb0>] stac92xx_dmux_enum_put+0x28/0x3c [snd_hda_intel] >>>> SS:ESP 0068:d9ea1ea0 >>> I suppose your device has no digital mic input? >>> If so, the patch below should fix. Give it a try. >>> >> No digital mic input, just analog as far as I am aware. I no longer >> get the problem with HG (this time for real), but I suppose that's >> because of Matthew's Patch which adds my system (DELL Vostro 1400) to >> the PCI quirks list where it's associated with STAC_DELL_3ST. > > Ah, OK, then could you try the driver with my patch and pass > model=ref? If the driver still works without Oops, it's fine. Then > I'll apply my patch. > No Oops with the patch applied for me either. _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
