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Message-ID: <CAHTgTXVCwhYKFKHPJHK19uLPX4na8+WJ7WMEv15BZMPocNQBwA@mail.gmail.com> Date: Thu, 1 Oct 2015 20:25:46 -0700 From: Vinson Lee <vlee@...pensource.com> To: "David S. Miller" <davem@...emloft.net>, Jiri Pirko <jiri@...nulli.us>, Pravin B Shelar <pshelar@...ira.com>, Neil Horman <nhorman@...hat.com>, Nikolay Aleksandrov <nikolay@...ulusnetworks.com>, Sony Chacko <sony.chacko@...gic.com>, Dept-HSGLinuxNICDev@...gic.com Cc: Netdev <netdev@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org> Subject: netpoll_send_skb_on_dev warning with bnx2 Hi. I am seeing a netpoll_send_skb_on_dev warning with bnx2. It happens on Linux 4.1 and I am able to reproduce the warning with Linux 4.3-rc3. ------------[ cut here ]------------ WARNING: CPU: 11 PID: 3110 at net/core/netpoll.c:368 netpoll_send_skb_on_dev+0x183/0x201() netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (bnx2_start_xmit+0x0/0x5d4 [bnx2]) Modules linked in: netconsole(+) configfs ipv6 ppdev parport_pc lp parport tcp_diag inet_diag ipmi_devintf serio_raw iTCO_wdt iTCO_vendor_support ipmi_si ipmi_msghandler hpilo hpwdt bnx2 coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel microcode lpc_ich mfd_core i7core_edac edac_core pcc_cpufreq acpi_cpufreq shpchp sch_fq_codel hpsa radeon ttm drm_kms_helper drm fb_sys_fops sysimgblt sysfillrect syscopyarea i2c_algo_bit i2c_core CPU: 11 PID: 3110 Comm: modprobe Not tainted 4.3.0-rc3 #1 0000000000000170 ffff88060be17a18 ffffffff812bc84c ffffffff818b1a78 ffff88060be17a68 ffff88060be17a58 ffffffff81064712 000000000be17a68 ffffffff814ec12e ffff88060bc10900 0000000000000000 ffff8800d941c000 Call Trace: [<ffffffff812bc84c>] dump_stack+0x48/0x5c [<ffffffff81064712>] warn_slowpath_common+0xa1/0xbb [<ffffffff814ec12e>] ? netpoll_send_skb_on_dev+0x183/0x201 [<ffffffff810647cf>] warn_slowpath_fmt+0x46/0x48 [<ffffffffa039a6b9>] ? bnx2_run_loopback+0x391/0x391 [bnx2] [<ffffffff814ec12e>] netpoll_send_skb_on_dev+0x183/0x201 [<ffffffff814ec58b>] netpoll_send_udp+0x3df/0x3f1 [<ffffffffa049324a>] write_msg+0xaf/0xe9 [netconsole] [<ffffffff810a6daa>] call_console_drivers.clone.2+0xd1/0xe9 [<ffffffff810a70d0>] console_unlock+0x30e/0x3a5 [<ffffffff810a757d>] register_console+0x2af/0x322 [<ffffffffa04971b4>] init_netconsole+0x1b4/0x224 [netconsole] [<ffffffffa0497000>] ? 0xffffffffa0497000 [<ffffffff810002bf>] do_one_initcall+0xf7/0x182 [<ffffffff811764fe>] ? kmem_cache_alloc_trace+0xb6/0xf0 [<ffffffff810cb8d8>] ? do_init_module+0x31/0x1e4 [<ffffffff810cb910>] do_init_module+0x69/0x1e4 [<ffffffff810ccedc>] load_module+0x1451/0x160b [<ffffffff810ca1a3>] ? mod_kobject_put+0x4d/0x4d [<ffffffff811606f3>] ? __vmalloc_node+0x3e/0x40 [<ffffffff810cd2aa>] SyS_init_module+0x14f/0x155 [<ffffffff815833d7>] entry_SYSCALL_64_fastpath+0x12/0x6a ---[ end trace 878215466e581776 ]--- Cheers, Vinson -- 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/
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