升级到kernel 2.6.10 声卡无声

x2x4

我的系统是 Fedora 3  kernel 分别是 2.6.10-1.737_FC3/ 2.6.10-1.741_FC3/ 2.6.9-1.667/      2.6.9-1.724_FC3/

所有2.6.10的kernel声卡都不能发声，2.6.9可以。
我已经重新安装过了 alsa的驱动  1.08的 还是不可以用

/modprobe.conf
alias eth0 e100
alias eth1 airo
#alias snd-card-0 snd-intel8x0
#options snd-card-0 index=0
#install snd-intel8x0 /sbin/modprobe --ignore-install snd-intel8x0 && /usr/sbin/alsactl restore >/dev/null 2>&1 || :
#remove snd-intel8x0 { /usr/sbin/alsactl store >/dev/null 2>&1 || : ; }; /sbin/modprobe -r --ignore-remove snd-intel8x0
alias usb-controller ehci-hcd
alias usb-controller1 uhci-hcd

# --- BEGIN: Generated by ALSACONF, do not edit. ---
# --- ALSACONF verion 1.0.8rc2 ---
alias snd-card-0 snd-intel8x0
alias sound-slot-0 snd-intel8x0
# --- END: Generated by ALSACONF, do not edit. ---

硬件： IBM T40 声卡是ac97  code AD1981B

[root@x2x4-m ~]# lspci
00:00.0 Host bridge: Intel Corp. 82855PM Processor to I/O Controller (rev 03)
00:01.0 PCI bridge: Intel Corp. 82855PM Processor to AGP Controller (rev 03)
00:1d.0 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01)
00:1d.1 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01)
00:1d.2 USB Controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01)
00:1d.7 USB Controller: Intel Corp. 82801DB/DBM (ICH4/ICH4-M) USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corp. 82801 Mobile PCI Bridge (rev 81)
00:1f.0 ISA bridge: Intel Corp. 82801DBM (ICH4-M) LPC Interface Bridge (rev 01)
00:1f.1 IDE interface: Intel Corp. 82801DBM (ICH4-M) IDE Controller (rev 01)
00:1f.3 SMBus: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) SMBus Controller (rev 01)
00:1f.5 Multimedia audio controller: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
00:1f.6 Modem: Intel Corp. 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M) AC'97 Modem Controller (rev 01)
01:00.0 VGA compatible controller: ATI Technologies Inc Radeon Mobility M7 LW [Radeon Mobility 7500]
02:00.0 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controller (rev 01)
02:00.1 CardBus bridge: Texas Instruments PCI1520 PC card Cardbus Controller (rev 01)
02:02.0 Network controller: AIRONET Wireless Communications Cisco Aironet Wireless 802.11b
02:08.0 Ethernet controller: Intel Corp. 82801DB PRO/100 VE (MOB) Ethernet Controller (rev 81)