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Date: Tue, 17 Nov 2009 18:38:44 -0800 From: Yinghai Lu <yhlu.kernel@...il.com> To: "H. Peter Anvin" <hpa@...or.com> Cc: Mike Travis <travis@....com>, Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>, Andrew Morton <akpm@...ux-foundation.org>, Heiko Carstens <heiko.carstens@...ibm.com>, Roland Dreier <rdreier@...co.com>, Randy Dunlap <rdunlap@...otime.net>, Tejun Heo <tj@...nel.org>, Andi Kleen <andi@...stfloor.org>, Greg Kroah-Hartman <gregkh@...e.de>, David Rientjes <rientjes@...gle.com>, Steven Rostedt <rostedt@...dmis.org>, Rusty Russell <rusty@...tcorp.com.au>, Hidetoshi Seto <seto.hidetoshi@...fujitsu.com>, Jack Steiner <steiner@....com>, Frederic Weisbecker <fweisbec@...il.com>, x86@...nel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH 1/5] x86: Limit the number of processor bootup messages On Tue, Nov 17, 2009 at 1:11 PM, Yinghai Lu <yhlu.kernel@...il.com> wrote: > On Tue, Nov 17, 2009 at 12:29 PM, H. Peter Anvin <hpa@...or.com> wrote: >> On 11/17/2009 12:10 PM, Yinghai Lu wrote: >>>> >>>> The following lines have been removed: >>>> >>>> CPU: Physical Processor ID: >>>> CPU: Processor Core ID: >>>> CPU %d/0x%x -> Node %d >>> >>> please don't. >>> >> >> Why not? >> >> Or, more formally: please state the rationale for keeping them. >> > at least one distribution: SLES 11 mess it up when BSP is from socket > 1 instead of socket0 > > and above message does show kernel think BSP still from socket0, and > other cores in that package are from socket1. CPU: Physical Processor ID: 0 CPU: Processor Core ID: 0 CPU: L1 I cache: 32K, L1 D cache: 32K CPU: L2 cache: 256K CPU: L3 cache: 24576K BUG: unable to handle kernel paging request at ffffffffc07129b0 IP: [<ffffffff8049494b>] init_intel+0xea/0x14b PGD 203067 PUD 204067 PMD 0 Oops: 0000 [1] SMP last sysfs file: CPU 0 Modules linked in: Supported: Yes Pid: 0, comm: swapper Not tainted 2.6.27.19-5-default #1 RIP: 0010:[<ffffffff8049494b>] [<ffffffff8049494b>] init_intel+0xea/0x14b RSP: 0018:ffffffff80965f48 EFLAGS: 00010202 RAX: 0000000020000000 RBX: 0000000000000044 RCX: 00000000000001a0 RDX: ffffffff808cbd14 RSI: 0000000000000046 RDI: 0000000020000000 RBP: 0000000020000000 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000000000a R11: ffffffff802223f1 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff80a40080(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: ffffffffc07129b0 CR3: 0000000000201000 CR4: 00000000000006a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffffffff80964000, task ffffffff806da380) Stack: 0000000100000003 0000000100000000 ffffffff808cbd00 ffffe20000000000 0000007800000000 ffffffff804943ef 0000000000000000 ffffffff80974fda 0000000000000000 ffffffff8096de10 0000000000000000 ffffffff809a1510 Call Trace: [<ffffffff804943ef>] identify_cpu+0x3c/0xa3 [<ffffffff80974fda>] check_bugs+0x9/0x2e [<ffffffff8096de10>] start_kernel+0x313/0x324 [<ffffffff8096d38f>] x86_64_start_kernel+0xde/0xe4 Code: 0f a2 a8 1f 74 07 c1 e8 1a ff c0 eb 05 b8 01 00 00 00 66 89 85 d8 00 00 00 65 44 8b 24 25 24 00 00 00 e8 c3 66 d8 ff 89 c5 48 98 <0f> bf 9c 00 b0 29 71 80 83 fb ff 74 0d 0f a3 1d 91 a1 4c 00 19 RIP [<ffffffff8049494b>] init_intel+0xea/0x14b RSP <ffffffff80965f48> CR2: ffffffffc07129b0 ---[ end trace 4eaa2a86a8e2da22 ]--- 2.6.32 kernel corresponding part: [ 0.128855] CPU: Physical Processor ID: 1 [ 0.129856] CPU: Processor Core ID: 0 [ 0.130845] CPU: L1 I cache: 32K, L1 D cache: 32K [ 0.151454] CPU: L2 cache: 256K [ 0.152463] CPU: L3 cache: 24576K [ 0.153471] CPU 0/0x20 -> Node 0 [ 0.168552] CPU 0 microcode level: 0xffff0008 [ 0.169901] mce: CPU supports 22 MCE banks -- 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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