Re: [Linuxptp-users] Issues with linuxptp and Intel 82574
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Re: [Linuxptp-users] Issues with linuxptp and Intel 82574
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From: Keller, J. E <jac...@in...> - 2013-10-21 22:23:53
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The only guess I have for this is that your Scientific Linux kernel did not properly backport PTP support, which is why force enabling it causes a panic. Regards, Jake > -----Original Message----- > From: Fabrizio Giordano [mailto:Fab...@ri...] > Sent: Monday, October 21, 2013 2:49 PM > To: Keller, Jacob E; Richard Cochran > Cc: lin...@li... > Subject: RE: [Linuxptp-users] Issues with linuxptp and Intel 82574 > > Hello Jake, > > I had already tried that earlier but I figured that that check (kernel >= 3) > was necessary since when I rebooted the machine with the e1000e > driver I got a kernel panic (I didn't spend too much time debugging it). > Here's the output I got: > > > e1000e: Intel(R) PRO/1000 Network Driver - 2.5.4-NAPI > e1000e: Copyright(c) 1999 - 2013 Intel Corporation. > e1000e 0000:03:00.0: Disabling ASPM L0s L1 > e1000e 0000:03:00.0: PCI INT A -> GSI 16 (level, low) -> IRQ 16 > e1000e 0000:03:00.0: Interrupt Throttling Rate (ints/sec) set to dynamic > conservative mode > bio: create slab <bio-1> at 1 > md/raid0:md0: md_size is 62499647488 sectors. > md: RAID0 configuration for md0 - 1 zone > BUG: unable to handle kernel NULL pointer dereference at > 00000000000002ce > IP: [<ffffffff812788bc>] kref_get+0xc/0x30 > PGD 339612067 PUD 339f03067 PMD 0 > Oops: 0000 [#1] PREEMPT SMP > last sysfs file: /sys/module/raid0/initstate > CPU 8 > Modules linked in: e1000e(+)(U) ptp pps_core ioatdma dca i7core_edac > edac_core sg ext4 jbd2 mbcache raid0 sr_mod cdrom sd_mod crc_t10dif > ahci 3w_9xxx dm_mod [last unloaded: scsi_wait_scan] > > Pid: 1016, comm: modprobe Not tainted 2.6.32- > 358.18.1.el6.rvbd.1.x86_64 #1 Supermicro X8DT6/X8DT6 > RIP: 0010:[<ffffffff812788bc>] [<ffffffff812788bc>] kref_get+0xc/0x30 > RSP: 0018:ffff88063893d9d8 EFLAGS: 00010296 > RAX: 0000000000000000 RBX: 00000000000002ce RCX: > 0000000000000030 > RDX: 0000000000000000 RSI: ffff88033828d9e0 RDI: > 00000000000002ce > RBP: ffff88063893d9e8 R08: 0000000000000000 R09: 00000000fffffffe > R10: 0000000000000000 R11: 0000000000000000 R12: > 000000000f600000 > R13: 0000000000000286 R14: 00000000ffffffea R15: ffff88033af60c00 > FS: 00007f94ea831700(0000) GS:ffff880028280000(0000) > knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 00000000000002ce CR3: 0000000339617000 CR4: > 00000000000007e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: > 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: > 0000000000000400 > Process modprobe (pid: 1016, threadinfo ffff88063893c000, task > ffff88063799e040) > Stack: > 0000000000000003 0000000000000296 ffff88063893da08 > ffffffff8127754a > <d> 0000000200000010 ffff88033af60c00 ffff88063893da18 > ffffffff8134f6b9 > <d> ffff88063893da98 ffffffff81350c6b ffff88033828d9e0 > 0000000000000005 > Call Trace: > [<ffffffff8127754a>] kobject_get+0x1a/0x30 > [<ffffffff8134f6b9>] get_device+0x19/0x20 > [<ffffffff81350c6b>] device_add+0x8b/0x650 > [<ffffffff81359fbb>] ? pm_runtime_init+0xcb/0xe0 > [<ffffffff8135124e>] device_register+0x1e/0x30 > [<ffffffff81351348>] device_create_vargs+0xe8/0x110 > [<ffffffff813513a1>] device_create+0x31/0x40 > [<ffffffffa0043614>] ptp_clock_register+0x224/0x360 [ptp] > [<ffffffff81076b68>] ? add_timer+0x18/0x30 > [<ffffffff81085569>] ? queue_delayed_work_on+0xb9/0x120 > [<ffffffffa016acff>] e1000e_ptp_init+0x10f/0x210 [e1000e] > [<ffffffffa016bf3e>] e1000_probe+0xbe6/0xf66 [e1000e] > [<ffffffff811965d0>] ? iput+0x30/0x70 > [<ffffffff811f6570>] ? sysfs_addrm_finish+0x50/0x280 > [<ffffffff811f6e2e>] ? __sysfs_add_one+0x7e/0xc0 > [<ffffffff81297977>] local_pci_probe+0x17/0x20 > [<ffffffff81298b71>] pci_device_probe+0x101/0x120 > [<ffffffff81353c82>] ? driver_sysfs_add+0x62/0x90 > [<ffffffff81353e20>] driver_probe_device+0xa0/0x2a0 > [<ffffffff813540cb>] __driver_attach+0xab/0xb0 > [<ffffffff81354020>] ? __driver_attach+0x0/0xb0 > [<ffffffff813533d4>] bus_for_each_dev+0x64/0x90 > [<ffffffff81353bbe>] driver_attach+0x1e/0x20 > [<ffffffff81352c08>] bus_add_driver+0x1e8/0x2b0 > [<ffffffff81354416>] driver_register+0x76/0x140 > [<ffffffff81506b2a>] ? printk+0x41/0x47 > [<ffffffff81298dd6>] __pci_register_driver+0x56/0xd0 > [<ffffffffa00e8000>] ? e1000_init_module+0x0/0x43 [e1000e] > [<ffffffffa00e8041>] e1000_init_module+0x41/0x43 [e1000e] > [<ffffffff810001ec>] do_one_initcall+0x3c/0x1d0 > [<ffffffff810ac051>] sys_init_module+0xe1/0x250 > [<ffffffff810030b2>] system_call_fastpath+0x16/0x1b > Code: 7c 81 e8 88 9f de ff eb cb be 40 00 00 00 48 c7 c7 3f 2b 7c 81 e8 > 75 9f de ff eb b8 0f 1f 00 55 48 89 e5 53 48 89 fb 48 83 ec 08 <8b> 07 > 85 c0 74 0a f0 ff 03 48 83 c4 08 5b c9 c3 be 2b 00 00 00 > RIP [<ffffffff812788bc>] kref_get+0xc/0x30 > RSP <ffff88063893d9d8> > CR2: 00000000000002ce > ---[ end trace 4ad683c7806b9327 ]--- > Kernel panic - not syncing: Fatal exception > Pid: 1016, comm: modprobe Tainted: G D --------------- 2.6.32- > 358.18.1.el6.rvbd.1.x86_64 #1 > Call Trace: > [<ffffffff81506a21>] ? panic+0xa7/0x16f > [<ffffffff8150b254>] ? oops_end+0xe4/0x100 > [<ffffffff8103a98b>] ? no_context+0xfb/0x260 > [<ffffffff8103ac15>] ? __bad_area_nosemaphore+0x125/0x1e0 > [<ffffffff8103ad3e>] ? bad_area+0x4e/0x60 > [<ffffffff8103b1ae>] ? __do_page_fault+0x26e/0x500 > [<ffffffff8150cace>] ? do_page_fault+0x3e/0xd0 > [<ffffffff8150a535>] ? page_fault+0x25/0x30 > [<ffffffff812788bc>] ? kref_get+0xc/0x30 > [<ffffffff8127754a>] ? kobject_get+0x1a/0x30 > [<ffffffff8134f6b9>] ? get_device+0x19/0x20 > [<ffffffff81350c6b>] ? device_add+0x8b/0x650 > [<ffffffff81359fbb>] ? pm_runtime_init+0xcb/0xe0 > [<ffffffff8135124e>] ? device_register+0x1e/0x30 > [<ffffffff81351348>] ? device_create_vargs+0xe8/0x110 > [<ffffffff813513a1>] ? device_create+0x31/0x40 > [<ffffffffa0043614>] ? ptp_clock_register+0x224/0x360 [ptp] > [<ffffffff81076b68>] ? add_timer+0x18/0x30 > [<ffffffff81085569>] ? queue_delayed_work_on+0xb9/0x120 > [<ffffffffa016acff>] ? e1000e_ptp_init+0x10f/0x210 [e1000e] > [<ffffffffa016bf3e>] ? e1000_probe+0xbe6/0xf66 [e1000e] > [<ffffffff811965d0>] ? iput+0x30/0x70 > [<ffffffff811f6570>] ? sysfs_addrm_finish+0x50/0x280 > [<ffffffff811f6e2e>] ? __sysfs_add_one+0x7e/0xc0 > [<ffffffff81297977>] ? local_pci_probe+0x17/0x20 > [<ffffffff81298b71>] ? pci_device_probe+0x101/0x120 > [<ffffffff81353c82>] ? driver_sysfs_add+0x62/0x90 > [<ffffffff81353e20>] ? driver_probe_device+0xa0/0x2a0 > [<ffffffff813540cb>] ? __driver_attach+0xab/0xb0 > [<ffffffff81354020>] ? __driver_attach+0x0/0xb0 > [<ffffffff813533d4>] ? bus_for_each_dev+0x64/0x90 > [<ffffffff81353bbe>] ? driver_attach+0x1e/0x20 > [<ffffffff81352c08>] ? bus_add_driver+0x1e8/0x2b0 > [<ffffffff81354416>] ? driver_register+0x76/0x140 > [<ffffffff81506b2a>] ? printk+0x41/0x47 > [<ffffffff81298dd6>] ? __pci_register_driver+0x56/0xd0 > [<ffffffffa00e8000>] ? e1000_init_module+0x0/0x43 [e1000e] > [<ffffffffa00e8041>] ? e1000_init_module+0x41/0x43 [e1000e] > [<ffffffff810001ec>] ? do_one_initcall+0x3c/0x1d0 > [<ffffffff810ac051>] ? sys_init_module+0xe1/0x250 > [<ffffffff810030b2>] ? system_call_fastpath+0x16/0x1b > > > -----Original Message----- > From: Keller, Jacob E [mailto:jac...@in...] > Sent: Monday, October 21, 2013 14:13 > To: Fabrizio Giordano; Richard Cochran > Cc: lin...@li... > Subject: RE: [Linuxptp-users] Issues with linuxptp and Intel 82574 > > Hi Fabrizio, > > The sourceforge driver for e1000e has a hard check for kernel version. > Since you have a specialized kernel version that has backported PTP > support, you might try modifying the kcompat.h of the sourceforge driver, > and removing the kernel check. > > Basically, the kernel compat layer is blocking proper enablement of the > PTP core because it assumes your kernel can't have support. You won't > be able to get correct support without the flag properly enabling. > > Regards, > Jake > > > -----Original Message----- > > From: Fabrizio Giordano [mailto:Fab...@ri...] > > Sent: Monday, October 21, 2013 11:07 AM > > To: Richard Cochran > > Cc: lin...@li... > > Subject: Re: [Linuxptp-users] Issues with linuxptp and Intel 82574 > > > > It's basically the standard scientific linux 6.4 kernel. > > > > uname -a > > Linux dorothy8.lab.nbttech.com 2.6.32-358.18.1.el6.x86_64 #1 SMP > > PREEMPT Wed Sep 4 16:09:45 EDT 2013 x86_64 x86_64 x86_64 > GNU/Linux > > > > -----Original Message----- > > From: Richard Cochran [mailto:ric...@gm...] > > Sent: Monday, October 21, 2013 10:49 > > To: Fabrizio Giordano > > Cc: Vick, Matthew; Ledda William EXT; linuxptp- > > us...@li... > > Subject: Re: [Linuxptp-users] Issues with linuxptp and Intel 82574 > > > > On Mon, Oct 21, 2013 at 05:32:54PM +0000, Fabrizio Giordano wrote: > > > No that's what I find odd... > > > On another machine I have the exact same kernel but I installed an > > > Intel > > 82576. > > > Here's what ethtool -T returns: > > > > > > ethtool -T eth0 > > > Time stamping parameters for eth0: > > > Capabilities: > > > hardware-transmit (SOF_TIMESTAMPING_TX_HARDWARE) > > > hardware-receive (SOF_TIMESTAMPING_RX_HARDWARE) > > > hardware-raw-clock (SOF_TIMESTAMPING_RAW_HARDWARE) > > > PTP Hardware Clock: 0 > > > > Okay, so what do you get from `uname -a`? > > > > > And it actually works with HW timestamps. If it works with another > > > NIC > > and the same kernel I expect that with the proper driver it should > > work also with a 82574. > > > Or am I wrong? > > > > Tell us more about your kernel. Where did you get it from? > > Is the source available somewhere to look at? > > > > Thanks, > > Richard > > > > ---------------------------------------------------------------------- > > -------- October Webinars: Code for Performance Free Intel webinars > > can help you accelerate application performance. > > Explore tips for MPI, OpenMP, advanced profiling, and more. Get the > > most from the latest Intel processors and coprocessors. See abstracts > > and register > > > > http://pubads.g.doubleclick.net/gampad/clk?id=60135991&iu=/4140/ost > > g.clktrk > > _______________________________________________ > > Linuxptp-users mailing list > > Lin...@li... > > https://lists.sourceforge.net/lists/listinfo/linuxptp-users |
