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. thanks, Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
