[Xen-bugs] [Bug 851] New: Sound dies with Xen-Kernel (Unable to

http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=851

           Summary: Sound dies with Xen-Kernel (Unable to handle kernel
                    paging request at ffff880032de07e0)
           Product: Xen
           Version: unstable
          Platform: x86-64
        OS/Version: Linux-2.6
            Status: NEW
          Severity: major
          Priority: P2
         Component: Hardware Support
        AssignedTo: xen-bugs@xxxxxxxxxxxxxxxxxxx
        ReportedBy: lordgartenzwerg@xxxxxx


Hi
Two months ago I bought a new Intel Core 2 Duo together with an Asus P5B
motherboard.
They're working fine on a 2.6.19 Kernel (x86_64).
So yesterday I thought: "Why don't give Hardware Virtualization a try?".
I installed the Xen package (xen-sources/xen/xen-tools) under Gentoo (~amd64 -
unstable). Everything went fine until I wanted to boot the new Xen kernel.
The Sound kernel module dies at bootup. Additional after some minutes, the
system begins to hang, a hard-reset is the only solution.

dmesg gives the following output:

Unable to handle kernel paging request at ffff881881abcbe8 RIP: 
<ffffffff88067bf9>{:snd_pcm:snd_pcm_mmap_control_nopage+101}
PGD 5fa067 PUD 0 
Oops: 0000 [1] SMP 
kevin CPU 1 
Modules linked in: snd_seq snd_seq_device ext3 jbd mbcache usbhid fglrx
usb_storage i2c_i801 snd_hda_intel snd_hda_codec snd_pcm snd_timer snd ehci_hcd
i2c_core soundcore uhci_hcd usbcore snd_page_alloc unix
Pid: 4170, comm: artsd Tainted: P      2.6.16.33-xen #1
RIP: e030:[<ffffffff88067bf9>]
<ffffffff88067bf9>{:snd_pcm:snd_pcm_mmap_control_nopage+101}
RSP: e02b:ffff880030ccdda0  EFLAGS: 00010286
RAX: 0000001880abcbe8 RBX: ffff880031118b88 RCX: ffff880030ccde1c
RDX: ffff881881abcbe8 RSI: 00002ab3efef9000 RDI: ffff880031118b88
RBP: 0000000000000000 R08: 00007fffffeb56d8 R09: 0000000000000fa0
R10: 0000000000000000 R11: 0000000000000246 R12: 00002ab3efef9008
R13: ffff88003923ec40 R14: ffff880038d48820 R15: ffff88003923ecb8
FS:  00002ab3eff1e210(0000) GS:ffffffff80396080(0000) knlGS:0000000000000000
CS:  e033 DS: 0000 ES: 0000
Process artsd (pid: 4170, threadinfo ffff880030ccc000, task ffff8800000e9080)
Stack: ffffffff8015ff76 ffff88003918d440 ffff88003987c530 0000000100000000 
ffff880031118b88 00000000000007c8 ffff880030cb7bf8 0000000000200200 
ffff880039912c00 0000000000000000 
Call Trace: <ffffffff8015ff76>{__handle_mm_fault+1707}
<ffffffff802d71c7>{do_page_fault+3591} <ffffffff80166be3>{do_mmap_pgoff+1463}
<ffffffff8806a0b6>{:snd_pcm:snd_pcm_playback_ioctl+46}
<ffffffff801876f1>{do_ioctl+33} <ffffffff8010b333>{error_exit+0}
Code: 8b 02 f6 c4 40 75 05 48 89 d0 eb 04 48 8b 42 10 f0 ff 40 08 
RIP <ffffffff88067bf9>{:snd_pcm:snd_pcm_mmap_control_nopage+101} RSP
<ffff880030ccdda0>
CR2: ffff881881abcbe8

I tried it several times with Xen-version 3.0.2, 3.0.3 and modified the ebuild
to fetch the xen-unstable.hg from mercurial. I tried it also with the in-kernel
drivers and the external kernel-module-ebuild (media-sound/alsa-driver).

I hope you can resolve this bug (or is it my fault?).

(plz dont beat me because of my english :))


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[Xen-bugs] [Bug 851] New: Sound dies with Xen-Kernel (Unable to handle k
