From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dhaval Giani Subject: Re: [RFC][PATCH] sched_clock_cpu() Date: Sun, 4 May 2008 10:08:08 +0530 Message-ID: <20080504043808.GB21789@linux.vnet.ibm.com> References: <1209832169.6929.42.camel@lappy> <20080503165511.GA21967@elte.hu> <20080503173023.GA2394@linux.vnet.ibm.com> Reply-To: Dhaval Giani Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20080503173023.GA2394@linux.vnet.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Peter Zijlstra , Thomas Gleixner , David Miller , Guillaume Chazarain , Andi Kleen , linux-kernel , linux-arch , Mike Galbraith , jens.axboe@oracle.com List-Id: linux-arch.vger.kernel.org On Sat, May 03, 2008 at 11:00:23PM +0530, Dhaval Giani wrote: > On Sat, May 03, 2008 at 06:55:11PM +0200, Ingo Molnar wrote: > > > > * Peter Zijlstra wrote: > > > > > it _DOESN'T_ boot ;-/ [...] > > > > FYI, the merged version against sched-devel.git does boot fine here and > > the clock does seem to advance as expected. > > > > boots here against linus as well. > Unrelated, it hits this as well, 21.964266] ------------[ cut here ]------------ [ 21.978124] WARNING: at include/linux/blkdev.h:431 blk_queue_init_tags+0x114/0x158() [ 22.013319] Modules linked in: [ 22.022518] Pid: 1, comm: swapper Not tainted 2.6.25 #1 [ 22.042741] [] warn_on_slowpath+0x41/0x5f [ 22.057667] [] ? run_timer_softirq+0x158/0x160 [ 22.073948] [] ? cache_alloc_refill+0x17f/0x1de [ 22.090485] [] ? __lock_release+0x1e/0x51 [ 22.105463] [] ? check_poison_obj+0x2a/0x17b [ 22.121219] [] ? cache_alloc_refill+0x17f/0x1de [ 22.137760] [] ? poison_obj+0x1e/0x3b [ 22.151698] [] ? dbg_redzone1+0x15/0x1c [ 22.166157] [] ? cache_alloc_debugcheck_after+0x130/0x150 [ 22.187398] [] ? __kmalloc+0x100/0x122 [ 22.201595] [] ? init_tag_map+0x64/0x8b [ 22.216055] [] ? init_tag_map+0x64/0x8b [ 22.230510] [] ? __blk_queue_init_tags+0x2a/0x4e [ 22.247311] [] blk_queue_init_tags+0x114/0x158 [ 22.263537] [] ahc_platform_set_tags+0x130/0x17e [ 22.280284] [] ahc_linux_device_queue_depth+0x7f/0xdf [ 22.300205] [] ? scsi_add_lun+0x1f8/0x326 [ 22.316370] [] ahc_linux_slave_configure+0x36/0x53 [ 22.335450] [] scsi_add_lun+0x2db/0x326 [ 22.349856] [] scsi_probe_and_add_lun+0x172/0x204 [ 22.367268] [] __scsi_scan_target+0x86/0xcc [ 22.382713] [] scsi_scan_channel+0x3f/0x5e [ 22.397898] [] scsi_scan_host_selected+0x78/0xa9 [ 22.414645] [] do_scsi_scan_host+0x5a/0x63 [ 22.429830] [] scsi_scan_host+0x33/0x75 [ 22.444235] [] ahc_linux_register_host+0x190/0x19a [ 22.461503] [] ? pci_get_slot+0x61/0x68 [ 22.475961] [] ? kobject_put+0x3c/0x41 [ 22.490158] [] ? put_device+0x11/0x13 [ 22.504095] [] ? pci_dev_put+0xf/0x12 [ 22.518034] [] ahc_linux_pci_dev_probe+0x15a/0x164 [ 22.536537] [] ? pci_match_device+0x8c/0x9b [ 22.552702] [] ? __lock_release+0x1e/0x51 [ 22.569672] [] ? pci_match_device+0x8c/0x9b [ 22.584871] [] ? _spin_unlock+0x27/0x3c [ 22.599306] [] pci_call_probe+0xd/0x10 [ 22.613429] [] __pci_device_probe+0x31/0x43 [ 22.628848] [] pci_device_probe+0x21/0x34 [ 22.643750] [] really_probe+0x74/0xf2 [ 22.657634] [] driver_probe_device+0x37/0x40 [ 22.673340] [] __driver_attach+0x3d/0x5f [ 22.688007] [] bus_for_each_dev+0x38/0x5d [ 22.702933] [] ? kobject_init_and_add+0x20/0x22 [ 22.723240] [] driver_attach+0x14/0x16 [ 22.737433] [] ? __driver_attach+0x0/0x5f [ 22.752410] [] bus_add_driver+0x99/0x149 [ 22.767077] [] driver_register+0x69/0x8d [ 22.781955] [] __pci_register_driver+0x40/0x61 [ 22.798179] [] ? kernel_init+0x0/0x93 [ 22.812119] [] ahc_linux_pci_init+0x14/0x16 [ 22.827565] [] ahc_linux_init+0x58/0x5c [ 22.841982] [] do_initcalls+0x59/0x131 [ 22.856142] [] ? create_proc_entry+0x67/0x7b [ 22.871900] [] ? register_irq_proc+0xa4/0xba [ 22.887656] [] ? bio_copy_kern_endio+0x6c/0xa1 [ 22.903935] [] ? kernel_init+0x0/0x93 [ 22.917872] [] do_basic_setup+0x1c/0x1e [ 22.932275] [] kernel_init+0x58/0x93 [ 22.945902] [] kernel_thread_helper+0x7/0x10 [ 22.961606] ======================= [ 22.973591] ---[ end trace 441bd607bde65755 ]--- -- regards, Dhaval From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from E23SMTP03.au.ibm.com ([202.81.18.172]:48324 "EHLO e23smtp03.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750718AbYEDEiY (ORCPT ); Sun, 4 May 2008 00:38:24 -0400 Date: Sun, 4 May 2008 10:08:08 +0530 From: Dhaval Giani Subject: Re: [RFC][PATCH] sched_clock_cpu() Message-ID: <20080504043808.GB21789@linux.vnet.ibm.com> Reply-To: Dhaval Giani References: <1209832169.6929.42.camel@lappy> <20080503165511.GA21967@elte.hu> <20080503173023.GA2394@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080503173023.GA2394@linux.vnet.ibm.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Ingo Molnar Cc: Peter Zijlstra , Thomas Gleixner , David Miller , Guillaume Chazarain , Andi Kleen , linux-kernel , linux-arch , Mike Galbraith , jens.axboe@oracle.com Message-ID: <20080504043808.IpNXrJLg10g1Vb0hhRLAaV6Yz4fBibTiGNNxfyod6Us@z> On Sat, May 03, 2008 at 11:00:23PM +0530, Dhaval Giani wrote: > On Sat, May 03, 2008 at 06:55:11PM +0200, Ingo Molnar wrote: > > > > * Peter Zijlstra wrote: > > > > > it _DOESN'T_ boot ;-/ [...] > > > > FYI, the merged version against sched-devel.git does boot fine here and > > the clock does seem to advance as expected. > > > > boots here against linus as well. > Unrelated, it hits this as well, 21.964266] ------------[ cut here ]------------ [ 21.978124] WARNING: at include/linux/blkdev.h:431 blk_queue_init_tags+0x114/0x158() [ 22.013319] Modules linked in: [ 22.022518] Pid: 1, comm: swapper Not tainted 2.6.25 #1 [ 22.042741] [] warn_on_slowpath+0x41/0x5f [ 22.057667] [] ? run_timer_softirq+0x158/0x160 [ 22.073948] [] ? cache_alloc_refill+0x17f/0x1de [ 22.090485] [] ? __lock_release+0x1e/0x51 [ 22.105463] [] ? check_poison_obj+0x2a/0x17b [ 22.121219] [] ? cache_alloc_refill+0x17f/0x1de [ 22.137760] [] ? poison_obj+0x1e/0x3b [ 22.151698] [] ? dbg_redzone1+0x15/0x1c [ 22.166157] [] ? cache_alloc_debugcheck_after+0x130/0x150 [ 22.187398] [] ? __kmalloc+0x100/0x122 [ 22.201595] [] ? init_tag_map+0x64/0x8b [ 22.216055] [] ? init_tag_map+0x64/0x8b [ 22.230510] [] ? __blk_queue_init_tags+0x2a/0x4e [ 22.247311] [] blk_queue_init_tags+0x114/0x158 [ 22.263537] [] ahc_platform_set_tags+0x130/0x17e [ 22.280284] [] ahc_linux_device_queue_depth+0x7f/0xdf [ 22.300205] [] ? scsi_add_lun+0x1f8/0x326 [ 22.316370] [] ahc_linux_slave_configure+0x36/0x53 [ 22.335450] [] scsi_add_lun+0x2db/0x326 [ 22.349856] [] scsi_probe_and_add_lun+0x172/0x204 [ 22.367268] [] __scsi_scan_target+0x86/0xcc [ 22.382713] [] scsi_scan_channel+0x3f/0x5e [ 22.397898] [] scsi_scan_host_selected+0x78/0xa9 [ 22.414645] [] do_scsi_scan_host+0x5a/0x63 [ 22.429830] [] scsi_scan_host+0x33/0x75 [ 22.444235] [] ahc_linux_register_host+0x190/0x19a [ 22.461503] [] ? pci_get_slot+0x61/0x68 [ 22.475961] [] ? kobject_put+0x3c/0x41 [ 22.490158] [] ? put_device+0x11/0x13 [ 22.504095] [] ? pci_dev_put+0xf/0x12 [ 22.518034] [] ahc_linux_pci_dev_probe+0x15a/0x164 [ 22.536537] [] ? pci_match_device+0x8c/0x9b [ 22.552702] [] ? __lock_release+0x1e/0x51 [ 22.569672] [] ? pci_match_device+0x8c/0x9b [ 22.584871] [] ? _spin_unlock+0x27/0x3c [ 22.599306] [] pci_call_probe+0xd/0x10 [ 22.613429] [] __pci_device_probe+0x31/0x43 [ 22.628848] [] pci_device_probe+0x21/0x34 [ 22.643750] [] really_probe+0x74/0xf2 [ 22.657634] [] driver_probe_device+0x37/0x40 [ 22.673340] [] __driver_attach+0x3d/0x5f [ 22.688007] [] bus_for_each_dev+0x38/0x5d [ 22.702933] [] ? kobject_init_and_add+0x20/0x22 [ 22.723240] [] driver_attach+0x14/0x16 [ 22.737433] [] ? __driver_attach+0x0/0x5f [ 22.752410] [] bus_add_driver+0x99/0x149 [ 22.767077] [] driver_register+0x69/0x8d [ 22.781955] [] __pci_register_driver+0x40/0x61 [ 22.798179] [] ? kernel_init+0x0/0x93 [ 22.812119] [] ahc_linux_pci_init+0x14/0x16 [ 22.827565] [] ahc_linux_init+0x58/0x5c [ 22.841982] [] do_initcalls+0x59/0x131 [ 22.856142] [] ? create_proc_entry+0x67/0x7b [ 22.871900] [] ? register_irq_proc+0xa4/0xba [ 22.887656] [] ? bio_copy_kern_endio+0x6c/0xa1 [ 22.903935] [] ? kernel_init+0x0/0x93 [ 22.917872] [] do_basic_setup+0x1c/0x1e [ 22.932275] [] kernel_init+0x58/0x93 [ 22.945902] [] kernel_thread_helper+0x7/0x10 [ 22.961606] ======================= [ 22.973591] ---[ end trace 441bd607bde65755 ]--- -- regards, Dhaval