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Date: Mon, 7 Jul 2008 09:32:41 +0200 From: "Vegard Nossum" <vegard.nossum@...il.com> To: "Alexander Beregalov" <a.beregalov@...il.com> Cc: "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>, linux-next@...r.kernel.org, mingo@...e.hu, linux-mm@...ck.org Subject: Re: next-0704: WARNING: at kernel/sched.c:4254 add_preempt_count; PANIC On Mon, Jul 7, 2008 at 1:48 AM, Alexander Beregalov <a.beregalov@...il.com> wrote: > Hi > > WARNING: at kernel/sched.c:4254 add_preempt_count+0x61/0x63() > Modules linked in: i2c_nforce2 > Pid: 3620, comm: rtorrent Not tainted 2.6.26-rc8-next-20080704 #5 > [<c038e436>] ? printk+0xf/0x11 > [<c011b681>] warn_on_slowpath+0x41/0x7b > [<c0157a94>] ? mmap_region+0x1c5/0x414 > [<c0156499>] ? remove_vma+0x50/0x56 > [<c0159836>] ? anon_vma_prepare+0x52/0xc5 ... > BUG: unable to handle kernel paging request at fffef4f1 > IP: [<c0103c53>] dump_trace+0xa5/0xe2 > *pde = 00007067 *pte = 00000000 > Oops: 0000 [#1] PREEMPT DEBUG_PAGEALLOC > last sysfs file: /sys/devices/pci0000:00/0000:00:1e.0/0000:02:00.1/class > Modules linked in: i2c_nforce2 > > Pid: 3620, comm: rtorrent Not tainted (2.6.26-rc8-next-20080704 #5) > EIP: 0060:[<c0103c53>] EFLAGS: 00210097 CPU: 0 > EIP is at dump_trace+0xa5/0xe2 > EAX: fffefffc EBX: fffef4f1 ECX: c0396978 EDX: c0455a08 > ESI: 5a5a5a5a EDI: f4d4c084 EBP: f4d4bf34 ESP: f4d4bf14 ^--- POISON_INUSE But I don't know if this is really significant, given that it's not the first error you're getting. It may also be just a remnant of the memset() that marks the SLUB objects as such. (Or something like that.) Too bad the recursive page fault stops us from getting the Code: line. Config would be nice :-) Vegard -- "The animistic metaphor of the bug that maliciously sneaked in while the programmer was not looking is intellectually dishonest as it disguises that the error is the programmer's own creation." -- E. W. Dijkstra, EWD1036 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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