From: "BERTRAND Joël" <joel.bertrand@systella.fr>
To: sparclinux@vger.kernel.org
Subject: Re: Sparc32 SMP
Date: Sun, 26 Nov 2006 09:22:07 +0000 [thread overview]
Message-ID: <45695CBF.4060600@systella.fr> (raw)
In-Reply-To: <Pine.LNX.4.10.10607130208320.4657-300000@coalcreekmill.cm.com>
BERTRAND Joël a écrit :
> Hello,
>
> This Oops is reproductible. I have decoded the Oops:
>
> No modules in ksyms, skipping objects
> No ksyms, skipping lsmod
> Nov 23 14:26:47 hilbert kernel: Unable to handle kernel NULL pointer
> dereference
> Nov 23 14:26:48 hilbert kernel: tsk->{mm,active_mm}->context = 00005058
> Nov 23 14:26:48 hilbert kernel: tsk->{mm,active_mm}->pgd = fc12d000
> Nov 23 14:26:48 hilbert kernel: \|/ ____ \|/
> Nov 23 14:26:48 hilbert kernel: "@'/ ,. \`@"
> Nov 23 14:26:48 hilbert kernel: /_| \__/ |_\
> Nov 23 14:26:48 hilbert kernel: \__U_/
> Nov 23 14:26:48 hilbert kernel: tar(13387): Oops [#1]
> Nov 23 14:26:48 hilbert kernel: PSR: 400000c2 PC: f008bd8c NPC: f008bd90
> Y: 00000000 Not tainted
> Using defaults from ksymoops -t elf32-sparc -a sparc
> Nov 23 14:26:48 hilbert kernel: PC: <pipe_readv+0xac/0x440>
> Nov 23 14:26:48 hilbert kernel: Caller[f008c140]: pipe_read+0x20/0x28
> Nov 23 14:26:48 hilbert kernel: Caller[f007dee8]: vfs_read+0xa0/0x16c
> Nov 23 14:26:48 hilbert kernel: Caller[f007eb38]: sys_read+0x38/0x64
> Nov 23 14:26:48 hilbert kernel: Caller[f0015a3c]:
> syscall_is_too_hard+0x3c/0x40
> Nov 23 14:26:48 hilbert kernel: Caller[0003df90]: 0x3df98
> Nov 23 14:26:49 hilbert kernel: Instruction DUMP: 1a800003 fa04a00c
> a810001b <c207600c> 90100013 9fc04000 92100012 80a22000 128000b9
>
>
> >>PC; f008bd8c <pipe_readv+2f8/4d4> <==>
> Trace; f008c140 <do_pipe+158/28c>
> Trace; f007dee8 <vfs_readv+6c/70>
> Trace; f007eb38 <__fput+8c/1b0>
> Trace; f0015a3c <linux_sparc_syscall+0/18>
> Trace; 0003df90 Before first symbol
>
> Code; f008bd80 <pipe_readv+2ec/4d4>
> 00000000 <_PC>:
> Code; f008bd80 <pipe_readv+2ec/4d4>
> 0: 1a 80 00 03 bcc c <_PC+0xc>
> Code; f008bd84 <pipe_readv+2f0/4d4>
> 4: fa 04 a0 0c ld [ %l2 + 0xc ], %i5
> Code; f008bd88 <pipe_readv+2f4/4d4>
> 8: a8 10 00 1b mov %i3, %l4
> Code; f008bd8c <pipe_readv+2f8/4d4> <==> c: c2 07 60 0c ld [ %i5 + 0xc ], %g1 <==> Code; f008bd90 <pipe_readv+2fc/4d4>
> 10: 90 10 00 13 mov %l3, %o0
> Code; f008bd94 <pipe_readv+300/4d4>
> 14: 9f c0 40 00 call %g1
> Code; f008bd98 <pipe_readv+304/4d4>
> 18: 92 10 00 12 mov %l2, %o1
> Code; f008bd9c <pipe_readv+308/4d4>
> 1c: 80 a2 20 00 cmp %o0, 0
> Code; f008bda0 <pipe_readv+30c/4d4>
> 20: 12 80 00 b9 bne 304 <_PC+0x304>
> Code; f008bda4 <pipe_readv+310/4d4>
> 24: 00 00 00 00 unimp 0
Some news : only occurs with SMP workstation with or without HIGHMEM
support.
Regards,
JKB
prev parent reply other threads:[~2006-11-26 9:22 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-07-13 10:41 sparc32 smp Raymond Burns
2006-07-18 4:35 ` David Miller
2006-11-23 13:35 ` Sparc32 SMP BERTRAND Joël
2006-11-23 22:29 ` BERTRAND Joël
2006-11-26 9:22 ` BERTRAND Joël [this message]
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