Re: Kernel oops with 2.6.21 while using cdda2wav & cooked_ioctl (x64-64)[untainted]

[Ross Alexander]

Hello,

I have repeated the cdda2wav run without the nvidia module and I get a 
very similar kernel oops.  I have to hand copy the oops so it could well 
contain errors.  If somebody can tell me exactly what information they 
require it would be helpful.    I have run this a number of times and 
the call trace isn't identical.  Lastest says "kernel BUG at 
kernel/timer.c:551! invalid opcode: 0000 [1] PREMPT KERNEL".  I can run 
this again if necessary.

Cheers,

Ross

Unable gto handle kernel NULL pointer dereferenced at 0000000000000000 
RIP: [<0000000000000000>] stext+0x7fdff0e0/0xe0
PGD 11b356067 PUD 11aace067 PMD 0
Oops: 0010 [1] PREEMPT SMP
CPU 0
Modules linked in: ipv6 ehci_hcd ohci_hcd usbcore ohci1394 snd_hda_intel 
snd_hda_codec snd_pcm snd_timer snd soundcore 8250_pnp 8250 serial_core 
ieee1394 forcedeth snd_page_alloc
Pid: 0, comm: swapper Not tainted 2.6.21 #1
RIP: 0010:[<0000000000000000>] [<0000000000000000>] stext+0x7fdff0e0/0xe0
RSP: 0018:ffffffff805dcec8 EFLAGS: 00010246
RAX: ffffffff80587fd8 RBX: 000000000000 RCS: ffff81011a5fd370
RDX: ffffffff805dced0 RSI: 1058e226d118dc67 RDI: 0000000000000000
RBP: ffffffff805f8d80 R08: 0000000000000002 R09: 0000000001365df8
R10:0000000001365df8 R11: 0000000001365df8 R12: 0000000000000102
R13: 0000000000000000(0000) GS:ffffffff8054f000(0000) knlGS:00000000f7e248d0
GS: 0010 GS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00000000000000 CR3: 000000011a4df000 CR4: 0000000000006e0
Process swapper (pid: 0, threadinfo ffffff80586000, task ffffffff8050e140)

Call Trace:
run_timer_softirq+0x156/0x1ac
__do_softirq+0x50/0xbb
call_softirq+0x1c/02x8
do_softieq+0x2f/x097
irq_exit+0x3d/0x4f
smp_apic_timer_interrupt+0x46/0x58
default_idle+0x0/0x3d
apic_timer_interrupt+0x66/0x70
<EOI> default_idle+0x29/0x3d
cpu_idle+0x8b/0xcc
start_kernel+0x266/0x26f
_sinittext+0x175/0x179




Ross Alexander
Phone: +44 20 8752 3394
SAP Basis, Technical Support Services, Corporate IT Centre, NEC Europe 
Limited

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