Hi Fengguang, i have build a kernel with the config, but my kvm is unable to start it. I will try to find a way to test your kernek config.
One thing is the crash point: The function sysenter_setup was modified by Andy, maybe he has an idea what fails. - Stefani Am Freitag, den 07.03.2014, 09:38 +0800 schrieb Fengguang Wu: > Hi Stefani, > > I got the below dmesg and the first bad commit is > > git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/vdso > commit 4dea8e4824b363c53f320d328040d7c6c5921419 > Author: Stefani Seibold <stef...@seibold.net> > AuthorDate: Mon Mar 3 22:12:20 2014 +0100 > Commit: H. Peter Anvin <h...@linux.intel.com> > CommitDate: Wed Mar 5 14:02:38 2014 -0800 > > x86, vdso: Add 32 bit VDSO time support for 32 bit kernel > > This patch add the time support for 32 bit a VDSO to a 32 bit kernel. > > For 32 bit programs running on a 32 bit kernel, the same mechanism is > used as for 64 bit programs running on a 64 bit kernel. > > Reviewed-by: Andy Lutomirski <l...@amacapital.net> > Signed-off-by: Stefani Seibold <stef...@seibold.net> > Link: > http://lkml.kernel.org/r/1393881143-3569-10-git-send-email-stef...@seibold.net > Signed-off-by: H. Peter Anvin <h...@linux.intel.com> > > +--------------------------------------------+------------+ > | | 4dea8e4824 | > +--------------------------------------------+------------+ > | boot_successes | 0 | > | boot_failures | 19 | > | BUG:unable_to_handle_kernel_paging_request | 19 | > | Oops:PREEMPT_SMP_DEBUG_PAGEALLOC | 19 | > | EIP_is_at_sysenter_setup | 19 | > | Kernel_panic-not_syncing:Fatal_exception | 19 | > +--------------------------------------------+------------+ > > [ 0.004009] pid_max: default: 4096 minimum: 301 > [ 0.009099] Mount-cache hash table entries: 512 > [ 0.014838] mce: CPU supports 10 MCE banks > [ 0.015243] BUG: unable to handle kernel paging request at d34bd000 > [ 0.016000] IP: [<c182dbca>] sysenter_setup+0x9a/0x2d4 > [ 0.016000] *pdpt = 00000000018a4001 *pde = 0000000013bea067 *pte = > 80000000134bd060 > [ 0.016000] Oops: 0002 [#1] PREEMPT SMP DEBUG_PAGEALLOC > [ 0.016000] Modules linked in: > [ 0.016000] CPU: 0 PID: 0 Comm: swapper/0 Not tainted > 3.14.0-rc5-03765-gd478a96 #2 > [ 0.016000] task: c17997c0 ti: c178e000 task.ti: c178e000 > [ 0.016000] EIP: 0060:[<c182dbca>] EFLAGS: 00210212 CPU: 0 > [ 0.016000] EIP is at sysenter_setup+0x9a/0x2d4 > [ 0.016000] EAX: 078bfbfd EBX: d34bc000 ECX: 00000004 EDX: 00001004 > [ 0.016000] ESI: c186740c EDI: d34bd000 EBP: c178ff98 ESP: c178ff74 > [ 0.016000] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 > [ 0.016000] CR0: 8005003b CR2: d34bd000 CR3: 018a7000 CR4: 000006f0 > [ 0.016000] Stack: > [ 0.016000] 00200202 c1dbb0f0 00000f61 00000800 80002001 078bfbfd > 00000000 00000000 > [ 0.016000] c18a8800 c178ffa0 c1821144 c178ffbc c182117d 00000000 > c178ffbc 00000000 > [ 0.016000] 00000000 c18a8800 c178ffec c181ab11 00000101 ffffffff > ffffffff c181a549 > [ 0.016000] Call Trace: > [ 0.016000] [<c1821144>] identify_boot_cpu+0x17/0x28 > [ 0.016000] [<c182117d>] check_bugs+0xe/0x160 > [ 0.016000] [<c181ab11>] start_kernel+0x401/0x470 > [ 0.016000] [<c181a549>] ? repair_env_string+0x51/0x51 > [ 0.016000] [<c181a364>] i386_start_kernel+0x12e/0x131 > [ 0.016000] Code: f6 c4 08 74 12 ba 10 74 86 c1 81 ea 0c 64 86 c1 be 0c 64 > 86 c1 eb 10 ba 0c 64 86 c1 81 ea 1c 54 86 c1 be 1c 54 86 c1 89 df 89 d1 <f3> > a4 89 d8 e8 8b fe ff ff b9 04 00 00 00 ba d6 c2 6e c1 89 d8 > [ 0.016000] EIP: [<c182dbca>] sysenter_setup+0x9a/0x2d4 SS:ESP > 0068:c178ff74 > [ 0.016000] CR2: 00000000d34bd000 > [ 0.016000] ---[ end trace db4b7fde7786bb07 ]--- > [ 0.016000] Kernel panic - not syncing: Fatal exception > > git bisect start d478a960edf1ea61ca31a07a48a8771f043dba78 > 0414855fdc4a40da05221fc6062cccbc0c30f169 -- > git bisect bad 6c2191ad9b6225860eef70a77d300c3d5ad39182 # 05:55 0- > 15 Merge 'digsig/for-mimi' into devel-hourly-2014030618 > git bisect good 61ca01b5aa63605e033f1826dcceb41421aa72cd # 06:03 20+ > 0 Merge 'ubifs/master' into devel-hourly-2014030618 > git bisect bad 53dca0b5f0e257f00b91fc3be98fb47c07d20cfc # 06:11 0- > 16 Merge 'tip/x86/vdso' into devel-hourly-2014030618 > git bisect good f25ed0ebc194a51042a5392ca821de2ff6661275 # 06:20 20+ > 0 Merge 'slave-dma/next' into devel-hourly-2014030618 > git bisect good e0099b8165e2525541d7844e29e8838824b3601e # 06:23 20+ > 0 Merge 'pcmoore-selinux/next' into devel-hourly-2014030618 > git bisect good c24bf54683dd0098e878a0cf40e2667e46a39a0a # 06:29 20+ > 0 Merge 'renesas/next' into devel-hourly-2014030618 > git bisect good 6543ca6fee7d3b314bda69b83fd429ed3e336645 # 06:35 20+ > 0 x86, vdso: Cleanup __vdso_gettimeofday() > git bisect bad 4dea8e4824b363c53f320d328040d7c6c5921419 # 06:37 0- > 15 x86, vdso: Add 32 bit VDSO time support for 32 bit kernel > git bisect good 8272416968a9bd8244515179625cdeffd7c2c90a # 06:41 20+ > 0 x86, vdso: Patch alternatives in the 32-bit VDSO > # first bad commit: [4dea8e4824b363c53f320d328040d7c6c5921419] x86, vdso: Add > 32 bit VDSO time support for 32 bit kernel > git bisect good 8272416968a9bd8244515179625cdeffd7c2c90a # 06:43 60+ > 0 x86, vdso: Patch alternatives in the 32-bit VDSO > git bisect bad d478a960edf1ea61ca31a07a48a8771f043dba78 # 06:43 0- > 19 0day head guard for 'devel-hourly-2014030618' > git bisect good c3bebc71c4bcdafa24b506adf0c1de3c1f77e2e0 # 06:56 60+ > 0 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net > git bisect good 0ffb2fe7b9c30082876fa3a17da018bf0632cf03 # 06:59 60+ > 69 Add linux-next specific files for 20140306 > > Thanks, > Fengguang > _______________________________________________ > LKP mailing list > l...@linux.intel.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
