linux-kernel - Re: 2.6.19.2, 2.6.20 Kernel oops

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Date:	Tue, 6 Feb 2007 01:09:07 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Lukas Hejtmanek <xhejtman@...l.muni.cz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.19.2, 2.6.20 Kernel oops

On Tue, 6 Feb 2007 09:59:43 +0100 Lukas Hejtmanek <xhejtman@...l.muni.cz> wrote:

> On Mon, Feb 05, 2007 at 07:57:39PM -0800, Andrew Morton wrote:
> 
> these are lines above:
> 
> kernel: [  144.639984] ACPI: Power Button (FF) [PWRF]
> kernel: [  144.640006] input: Power Button (CM) as /class/input/input3
> kernel: [  144.640017] ACPI: Power Button (CM) [PWRB]
> kernel: [  222.002010] PGD 253115067 PUD 0
> 
> 
> > > kernel: [  222.002013] CPU 0
> > > kernel: [  222.002014] Modules linked in: container fan button ac thermal processor myri10ge megaraid_sas serio_raw psmouse evdev
> > > kernel: [  222.002020] Pid: 3234, comm: java Not tainted 2.6.20 #1
> > > kernel: [  222.002021] RIP: 0010:[page_to_pfn+0/64] [page_to_pfn+0/64] page_to_pfn+0x0/0x40
> > > kernel: [  222.002024] RSP: 0018:ffff81024ebf9ac0 EFLAGS: 00010246
> > > kernel: [  222.002026] RAX: ffff8102574213c0 RBX: ffff810256f07800 RCX: ffff81022e5600c0
> > > kernel: [  222.002027] RDX: 0000000000000740 RSI: 0000000000000000 RDI: 0000000000000000
> > > kernel: [  222.002028] RBP: 0000000000000740 R08: 0000000000000002 R09: ffff8102536b9a40
> > > kernel: [  222.002030] R10: 0000000000000007 R11: ffffffff80259650 R12: 0000000000000000
> > > kernel: [  222.002031] R13: ffff810257422460 R14: 0000000000000002 R15: ffff81022e5600c0
> > > kernel: [  222.002033] FS:  0000000041061950(0063) GS:ffffffff80649000(0000) knlGS:0000000000000000
> > > kernel: [  222.002034] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> > > kernel: [  222.002036] CR2: 0000000000000000 CR3: 0000000251dbb000 CR4: 00000000000006e0
> > > kernel: [  222.002037] Process java (pid: 3234, threadinfo ffff81024ebf8000, task ffff81024ebdc7a0)
> > > kernel: [  222.002038] Stack:  ffffffff804c4f77 ffff810257422400 0000000000000002 ffff81024ebf9f28
> > > kernel: [  222.002042]  fffffffffffff240 0000000000000740 ffff810257422460 0000000000000002
> > > kernel: [  222.002044]  ffffffff804c3ba5 0000000000000010 ffff81022e5600c0 ffff8102536b9a40
> > > kernel: [  222.002046] Call Trace:
> > > kernel: [  222.002051] [ioat_dma_memcpy_buf_to_pg+71/224] ioat_dma_memcpy_buf_to_pg+0x47/0xe0
> > > kernel: [  222.002053]  [dma_memcpy_to_iovec+613/768] dma_memcpy_to_iovec+0x265/0x300
> > > kernel: [  222.002057] [dma_skb_copy_datagram_iovec+115/656] dma_skb_copy_datagram_iovec+0x73/0x290
> > > kernel: [  222.002060]  [tcp_recvmsg+1764/3296] tcp_recvmsg+0x6e4/0xce0
> > > kernel: [  222.002063]  [sock_common_recvmsg+48/80] sock_common_recvmsg+0x30/0x50
> > > kernel: [  222.002065]  [sock_recvmsg+281/352] sock_recvmsg+0x119/0x160
> > > kernel: [  222.002069]  [autoremove_wake_function+0/48] autoremove_wake_function+0x0/0x30
> > > kernel: [  222.002071]  [autoremove_wake_function+0/48] autoremove_wake_function+0x0/0x30
> > > kernel: [  222.002073]  [__handle_mm_fault+1741/2896] __handle_mm_fault+0x6cd/0xb50
> > > kernel: [  222.002076]  [sys_recvfrom+250/400] sys_recvfrom+0xfa/0x190
> > > kernel: [  222.002078]  [tty_ldisc_deref+100/128] tty_ldisc_deref+0x64/0x80
> > > kernel: [  222.002080]  [tty_write+540/592] tty_write+0x21c/0x250
> > > kernel: [  222.002083]  [system_call+126/131] system_call+0x7e/0x83
> > > kernel: [  222.002084]
> > > kernel: [  222.002085]
> > > kernel: [  222.002085] Code: 48 8b 07 48 c1 e8 3a 48 8b 14 c5 80 b8 65 80 48 b8 b7 6d db
> > > kernel: [  222.002092]  RSP <ffff81024ebf9ac0>
> > > 
> > 
> > Is that the whole oops message?  There should have been a few interesting
> > lines preceding the above.
> 
> I've posted it above.

That's peculiar.

Normally an oops on x86_64 looks like:

Unable to handle kernel NULL pointer dereference at 0000000000000038
RIP: [<ffffffff8022b9c8>] iput+0x18/0x80
PGD 3a607067 PUD 27b20067 PMD 0
Oops: 0000 [1] SMP
CPU 0
Modules linked in: psmouse battery ac thermal fan button
...

but you seem to have lost the first few lines.
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