Re: alsa 1.0.11, 2.6.17-rc6-mm2, kernel BUG

From: Andrew Morton
Date: Sat Jun 17 2006 - 13:06:57 EST


On Wed, 14 Jun 2006 23:05:53 +0200
Norbert Preining <preining@xxxxxxxx> wrote:

> Hi all!
>
> I have 2.6.17-rc6-mm2 running, and I wanted to try alsa drivers 1.0.11
> final to get my hda-intel sound device running.
>
> I compiled the drivers (changing system_utsname.xxx to utsname()->xxx)
> and wanted to load the modules, but when I load the module snd:
> BUG: unable to handle kernel paging request at virtual address 07400041
> printing eip:
> c01c1509
> *pde = 00000000
> Oops: 0000 [#1]
> 8K_STACKS PREEMPT SMP
> last sysfs file: /devices/system/cpu/cpu0/cpufreq/scaling_cur_freq
> Modules linked in: snd_timer snd snd_page_alloc isofs zlib_inflate udf usb_storage ipt_MASQUERADE iptable_nat ip_nat ip_conntrack ip_tables x_tables i2c_i801 joydev i2c_core
> CPU: 0
> EIP: 0060:[<c01c1509>] Not tainted VLI
> EFLAGS: 00010286 (2.6.17-rc6-mm2 #10)
> EIP is at kref_get+0x6/0x3d
> eax: 07400041 ebx: 07400041 ecx: 00000005 edx: 00000000
> esi: f6dde604 edi: f6dde60a ebp: f388af60 esp: d58bbe00
> ds: 007b es: 007b ss: 0068
> Process modprobe (pid: 11478, threadinfo=d58ba000 task=d95b6000)
> Stack: 00000007 d95b6114 e5a63aa0 e5a63aa0 07400029 c01c0b17 f6dde580 c0220966
> c0220ce9 000000d0 dffff4c0 dfffd2c0 c03634d8 c01c0b17 dfead1c0 c01c0e52
> d58ba000 f6dde617 d95b6000 00000000 ffffffea f6dde580 fffffff4 dfead1c0
> Call Trace:
> [<c01c0b17>] kobject_get+0xf/0x13
> [<c0220966>] class_device_get+0xe/0x14
> [<c0220ce9>] class_device_add+0x54/0x3a8
> [<c02210cc>] class_device_create+0x7f/0x9f
> [<f899c1cd>] snd_register_device+0x129/0x153 [snd]
> [<f88f3107>] alsa_timer_init+0x107/0x170 [snd_timer]
> [<c0133846>] sys_init_module+0x16b7/0x188d
> [<c02f4c5b>] syscall_call+0x7/0xb
> Code: 10 e9 8e 31 c0 89 f0 83 7e 28 00 0f 85 a8 fc ff ff e9 82 fc ff ff 83 c4 3c
> 5b 5e 5f 5d c3 c7 00 01 00 00 00 c3 53 83 ec 10 89 c3 <8b> 00 85 c0 75 29 c7 44
> 24 0c 11 fc 2f c0 c7 44 24 08 20 00 00
> EIP: [<c01c1509>] kref_get+0x6/0x3d SS:ESP 0068:d58bbe00
>
>
> Does this ring a bell for someone?
>

Judging from the response: no.

If you would, please keep a close eye on -mm's over the next few weeks, let
us know if/when this bug propagates into -mm. Thanks.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/