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Date: Wed, 08 Apr 2015 06:50:48 -0400 From: Peter Hurley <peter@...leysoftware.com> To: Urban Loesch <bind@...s.net> CC: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, Ariel Elior <ariel.elior@...gic.com>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: [bnx2x] Re: Kernel 3.18.11 hangs when inserting netconsle module on a DELL M620 VRTX Blade [ + Ariel Elior for bnx2x driver, netdev ] On 04/08/2015 04:27 AM, Urban Loesch wrote: > Hi, > > I'have installed a new DELL VRTX M620 Blade with kernel 3.18.11. > After system startup I tried to activate the kernel netconsole with remote logging enabled. > > I executed the following command and the shell I issued it becomes unresponsive and hangs. > > # modprobe netconsole netconsole="@/eth0,514@...1.10.197/00:10:db:fc:60:0c" > > The system load increases slowly and the CPU #11 uses 100% of soft irq. Only a soft reset > witohut loading the netconsole module after startup solves the issue. > > # mpstat -P 11 > 09:23:52 CPU %usr %nice %sys %iowait %irq %soft %steal %guest %idle > 09:23:53 11 0,00 0,00 0,00 0,00 0,00 100,00 0,00 0,00 0,00 > > > I found the following error in the kernel log: > > ... > Apr 8 09:22:27 server2 kernel: [ 216.788670] ------------[ cut here ]------------ > Apr 8 09:22:27 server2 kernel: [ 216.788676] WARNING: CPU: 11 PID: 2929 at kernel/softirq.c:147 __local_bh_enable_ip+0x72/0xa0() > Apr 8 09:22:27 server2 kernel: [ 216.788687] CPU: 11 PID: 2929 Comm: modprobe Not tainted 3.18.11-em64t-efigpt #1 > Apr 8 09:22:27 server2 kernel: [ 216.788688] Hardware name: Dell Inc. PowerEdge M620/0NJVT7, BIOS 2.4.3 07/02/2014 > Apr 8 09:22:27 server2 kernel: [ 216.788690] 0000000000000009 ffff881fcfaa39e8 ffffffff8174434a 0000000019af19af > Apr 8 09:22:27 server2 kernel: [ 216.788690] 0000000000000000 ffff881fcfaa3a28 ffffffff81051fac ffffffff81f4a080 > Apr 8 09:22:27 server2 kernel: [ 216.788691] 0000000000000200 ffff881fcf624dd4 ffff881fcf624d58 0000000000000000 > Apr 8 09:22:27 server2 kernel: [ 216.788692] Call Trace: > Apr 8 09:22:27 server2 kernel: [ 216.788696] [<ffffffff8174434a>] dump_stack+0x46/0x58 > Apr 8 09:22:27 server2 kernel: [ 216.788698] [<ffffffff81051fac>] warn_slowpath_common+0x8c/0xc0 > Apr 8 09:22:27 server2 kernel: [ 216.788699] [<ffffffff81051ffa>] warn_slowpath_null+0x1a/0x20 > Apr 8 09:22:27 server2 kernel: [ 216.788701] [<ffffffff81055fc2>] __local_bh_enable_ip+0x72/0xa0 > Apr 8 09:22:27 server2 kernel: [ 216.788704] [<ffffffff8174a3cb>] _raw_spin_unlock_bh+0x1b/0x20 > Apr 8 09:22:27 server2 kernel: [ 216.788716] [<ffffffffa00b8f43>] bnx2x_poll+0x83/0x3e0 [bnx2x] > Apr 8 09:22:27 server2 kernel: [ 216.788720] [<ffffffff81667de0>] netpoll_poll_dev+0x110/0x1b0 > Apr 8 09:22:27 server2 kernel: [ 216.788721] [<ffffffff81667fe7>] netpoll_send_skb_on_dev+0x167/0x240 > Apr 8 09:22:27 server2 kernel: [ 216.788722] [<ffffffff81668392>] netpoll_send_udp+0x2d2/0x400 > Apr 8 09:22:27 server2 kernel: [ 216.788724] [<ffffffffa018685f>] write_msg+0xcf/0x110 [netconsole] > Apr 8 09:22:27 server2 kernel: [ 216.788728] [<ffffffff8109e32b>] call_console_drivers.constprop.27+0x9b/0x100 > Apr 8 09:22:27 server2 kernel: [ 216.788730] [<ffffffff8109f39a>] console_unlock+0x3ca/0x450 > Apr 8 09:22:27 server2 kernel: [ 216.788731] [<ffffffff810a073a>] register_console+0x29a/0x360 > Apr 8 09:22:27 server2 kernel: [ 216.788733] [<ffffffffa0191000>] ? 0xffffffffa0191000 > Apr 8 09:22:27 server2 kernel: [ 216.788735] [<ffffffffa01911c5>] init_netconsole+0x1c5/0x1000 [netconsole] > Apr 8 09:22:27 server2 kernel: [ 216.788737] [<ffffffff810002dc>] do_one_initcall+0x8c/0x1c0 > Apr 8 09:22:27 server2 kernel: [ 216.788740] [<ffffffff81181042>] ? __vunmap+0xc2/0x110 > Apr 8 09:22:27 server2 kernel: [ 216.788743] [<ffffffff810d7f8d>] load_module+0x1dbd/0x25b0 > Apr 8 09:22:27 server2 kernel: [ 216.788744] [<ffffffff810d4770>] ? show_initstate+0x60/0x60 > Apr 8 09:22:27 server2 kernel: [ 216.788746] [<ffffffff8174c49f>] ? page_fault+0x1f/0x30 > Apr 8 09:22:27 server2 kernel: [ 216.788747] [<ffffffff810d881a>] SyS_init_module+0x9a/0xc0 > Apr 8 09:22:27 server2 kernel: [ 216.788749] [<ffffffff8174ab72>] system_call_fastpath+0x12/0x17 > Apr 8 09:22:27 server2 kernel: [ 216.788750] ---[ end trace 224709e18793096d ]--- > ... > > I installed the latest firmware driver from DELL for the Broadcom Nic's. Same problem > and I don't know if there is only affected the netconsole module or something else. > > Linked modules are: > # lsmod > Module Size Used by > netconsole 23883 1 > configfs 30744 2 netconsole > iTCO_wdt 13480 0 > iTCO_vendor_support 13718 1 iTCO_wdt > ipmi_si 53458 0 > ipmi_msghandler 45284 1 ipmi_si > tpm_tis 18227 0 > tpm 35790 1 tpm_tis > sb_edac 26792 0 > lpc_ich 21093 0 > edac_core 57597 1 sb_edac > dcdbas 14478 0 > shpchp 37047 0 > pcspkr 12718 0 > joydev 17389 0 > hed 13247 0 > acpi_pad 17942 0 > evbug 12672 0 > hid_generic 12559 0 > usbkbd 12926 0 > usbmouse 12789 0 > usbhid 46465 0 > hid 110129 2 hid_generic,usbhid > ahci 34019 0 > libahci 32177 1 ahci > bnx2x 726130 0 > ptp 19445 1 bnx2x > megaraid_sas 113654 3 > pps_core 14386 1 ptp > mdio 13561 1 bnx2x > > > The system runs with 256GB RAM: > # free -m > total used free shared buffers cached > Mem: 257918 1834 256084 0 19 44 > -/+ buffers/cache: 1770 256148 > Swap: 7627 0 7627 > > And has 2 six-core cpu's: > # lscpu > Architecture: x86_64 > CPU op-mode(s): 32-bit, 64-bit > Byte Order: Little Endian > CPU(s): 24 > On-line CPU(s) list: 0-23 > Thread(s) per core: 2 > Core(s) per socket: 6 > Socket(s): 2 > NUMA node(s): 2 > Vendor ID: GenuineIntel > CPU family: 6 > Model: 62 > Stepping: 4 > CPU MHz: 2599.966 > BogoMIPS: 5200.39 > Virtualization: VT-x > L1d cache: 32K > L1i cache: 32K > L2 cache: 256K > L3 cache: 15360K > NUMA node0 CPU(s): 0,2,4,6,8,10,12,14,16,18,20,22 > NUMA node1 CPU(s): 1,3,5,7,9,11,13,15,17,19,21,23 > > > I tried kernel 3.10.40. It works correctly, but I need a newer kernel, > because the shared PERC 8 linux driver for DELL VRTX is available since version 3.15. > > Have you an idea how I can solve this? If you net more information, please let me know. > Please cc me, because I'm not a member of lkml. > > Many thanks > Urban Loesch > > > -- > 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/ > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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