From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756942Ab0EXLo0 (ORCPT ); Mon, 24 May 2010 07:44:26 -0400 Received: from fmmailgate03.web.de ([217.72.192.234]:40609 "EHLO fmmailgate03.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756810Ab0EXLoZ (ORCPT ); Mon, 24 May 2010 07:44:25 -0400 From: Markus To: linux-kernel@vger.kernel.org Subject: Re: BUG: unable to handle kernel paging request Date: Mon, 24 May 2010 13:44:23 +0200 User-Agent: KMail/1.13.3 (Linux/2.6.33.2-gentoo-r1-ck1; KDE/4.4.3; x86_64; ; ) References: <201005231829.32106.M4rkusXXL@web.de> <201005232244.41977.M4rkusXXL@web.de> <20100523211717.GD1408@liondog.tnic> In-Reply-To: <20100523211717.GD1408@liondog.tnic> Cc: Borislav Petkov MIME-Version: 1.0 Content-Type: Multipart/Mixed; boundary="Boundary-00=_Xam+LkV2GmDoJBU" Message-Id: <201005241344.23295.M4rkusXXL@web.de> X-Provags-ID: V01U2FsdGVkX1+ql9Ck1NtpGW+Leu1JeE9++ByJnn++fsvZezmg cEtMIfkKBUF7m1yfm6Wip3wWKYj6Jy7oQo2fC05L9yO+eZSTQE 0VXvjG5I0= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --Boundary-00=_Xam+LkV2GmDoJBU Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Forgot cpuinfo yesterday, sorry! Markus > From: Markus > Date: Sun, May 23, 2010 at 10:44:41PM +0200 > > > It is 0000000001912178. > > http://img256.imageshack.us/img256/4370/shotn.gif > > True story, the fact that this value is not what it is expected to be > judging from the code it happens might actually be a clue: > > [64112.502507] Code: 8b bf b0 00 00 00 31 ed 48 8d 50 f0 48 85 c0 48 > 0f 45 ea 48 85 ff 74 10 48 89 ee e8 8d d3 ff ff 85 c0 0f 8e c5 00 00 > 00 48 89 eb <49> 8b bd b8 00 00 00 48 85 ff 74 10 48 89 ee e8 6e d3 > ff ff 85 All code > ======== > 0: 8b bf b0 00 00 00 mov 0xb0(%rdi),%edi > 6: 31 ed xor %ebp,%ebp > 8: 48 8d 50 f0 lea -0x10(%rax),%rdx > c: 48 85 c0 test %rax,%rax > f: 48 0f 45 ea cmovne %rdx,%rbp > 13: 48 85 ff test %rdi,%rdi > 16: 74 10 je 0x28 > 18: 48 89 ee mov %rbp,%rsi > 1b: e8 8d d3 ff ff callq 0xffffffffffffd3ad > 20: 85 c0 test %eax,%eax > 22: 0f 8e c5 00 00 00 jle 0xed > 28: 48 89 eb mov %rbp,%rbx > 2b:* 49 8b bd b8 00 00 00 mov 0xb8(%r13),%rdi <-- > trapping instruction 32: 48 85 ff test %rdi,%rdi > 35: 74 10 je 0x47 > 37: 48 89 ee mov %rbp,%rsi > 3a: e8 6e d3 ff ff callq 0xffffffffffffd3ad > 3f: 85 .byte 0x85 > > Code starting with the faulting instruction > =========================================== > 0: 49 8b bd b8 00 00 00 mov 0xb8(%r13),%rdi > 7: 48 85 ff test %rdi,%rdi > a: 74 10 je 0x1c > c: 48 89 ee mov %rbp,%rsi > f: e8 6e d3 ff ff callq 0xffffffffffffd382 > 14: 85 .byte 0x85 > > > and %r13 contains 00000000019129c0 in the register snapshot. Hmm... > > > Serial console is no option, but this "netconsole"-thing looks > > promising. I'll set that up and try to catch the next one with > > this. > > That'll help. Also let me make sure: Is this a vanilla kernel or are > there any distribution patches on top of it? I see it says > 2.6.34-gentoo but just in case. If it is not a vanilla kernel please > try a vanilla one from kernel.org. > > Also, please send the whole dmesg of the system, there might be > something suspicious there and also the output of 'cat /proc/cpuinfo' > and 'dmidecode', the last one run as root. > > Thanks. --Boundary-00=_Xam+LkV2GmDoJBU Content-Type: text/x-log; charset="UTF-8"; name="cpuinfo.log" Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="cpuinfo.log" processor : 0 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 955 Processor stepping : 2 cpu MHz : 3200.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 0 cpu cores : 4 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 6400.59 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 1 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 955 Processor stepping : 2 cpu MHz : 3200.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 1 cpu cores : 4 apicid : 1 initial apicid : 1 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 6400.03 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 2 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 955 Processor stepping : 2 cpu MHz : 3200.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 2 cpu cores : 4 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 6400.02 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate processor : 3 vendor_id : AuthenticAMD cpu family : 16 model : 4 model name : AMD Phenom(tm) II X4 955 Processor stepping : 2 cpu MHz : 3200.000 cache size : 512 KB physical id : 0 siblings : 4 core id : 3 cpu cores : 4 apicid : 3 initial apicid : 3 fpu : yes fpu_exception : yes cpuid level : 5 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm 3dnowext 3dnow constant_tsc rep_good nonstop_tsc extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt npt lbrv svm_lock nrip_save bogomips : 6400.02 TLB size : 1024 4K pages clflush size : 64 cache_alignment : 64 address sizes : 48 bits physical, 48 bits virtual power management: ts ttp tm stc 100mhzsteps hwpstate --Boundary-00=_Xam+LkV2GmDoJBU--