Greeting, FYI, we noticed the following commit (built with gcc-9): commit: a5b9e22d8df7a19816f529d75762514ee8fca886 ("PCI/MSI: Add bitmap to track allocated MSI-X vectors") https://github.com/meghadey/crypto d_msix_one in testcase: netperf version: netperf-x86_64-2.7-0_20210908 with following parameters: ip: ipv4 runtime: 900s nr_threads: 1 cluster: cs-localhost test: TCP_MAERTS cpufreq_governor: performance ucode: 0xb000280 test-description: Netperf is a benchmark that can be use to measure various aspect of networking performance. test-url: http://www.netperf.org/netperf/ on test machine: 96 threads 2 sockets Ice Lake with 256G memory caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot <oliver.sang(a)intel.com&gt; [ 14.670210][ T1] genirq: Flags mismatch irq 0. 00000000 (eth0) vs. 00015a00 (timer) [ 14.678129][ T1] CPU: 95 PID: 1 Comm: swapper/0 Not tainted 5.14.0-10561-ga5b9e22d8df7 #1 [ 14.686560][ T1] Call Trace: [ 14.689698][ T1] dump_stack_lvl+0x34/0x44 [ 14.694057][ T1] __setup_irq.cold+0x9c/0xd4 [ 14.698589][ T1] ? igb_msg_task+0xb80/0xb80 [ 14.703121][ T1] request_threaded_irq+0x10c/0x180 [ 14.708173][ T1] __igb_open+0x10c/0x5c0 [ 14.712351][ T1] __dev_open+0xe7/0x180 [ 14.716450][ T1] __dev_change_flags+0x19e/0x200 [ 14.721328][ T1] ? __dev_notify_flags+0x5d/0x100 [ 14.726286][ T1] dev_change_flags+0x21/0x80 [ 14.730819][ T1] ip_auto_config+0x2b4/0xb9a [ 14.735351][ T1] ? security_capable+0x33/0x80 [ 14.740056][ T1] ? tcp_ca_find+0x3e/0x80 [ 14.744327][ T1] ? root_nfs_parse_addr+0xa5/0xa5 [ 14.749293][ T1] ? do_one_initcall+0x41/0x200 [ 14.754000][ T1] do_one_initcall+0x41/0x200 [ 14.758533][ T1] kernel_init_freeable+0x20f/0x27b [ 14.763585][ T1] ? rest_init+0x100/0x100 [ 14.767856][ T1] kernel_init+0x16/0x140 [ 14.772040][ T1] ret_from_fork+0x1f/0x30 [ 15.059410][ T1] genirq: Flags mismatch irq 0. 00000000 (eth1-TxRx-0) vs. 00015a00 (timer) [ 15.067930][ T1] CPU: 95 PID: 1 Comm: swapper/0 Not tainted 5.14.0-10561-ga5b9e22d8df7 #1 [ 15.076361][ T1] Call Trace: [ 15.079500][ T1] dump_stack_lvl+0x34/0x44 [ 15.083855][ T1] __setup_irq.cold+0x9c/0xd4 [ 15.088381][ T1] ? ixgbe_clean_rx_ring+0x140/0x140 [ 15.093519][ T1] request_threaded_irq+0x10c/0x180 [ 15.098571][ T1] ixgbe_open+0x46b/0x580 [ 15.102757][ T1] __dev_open+0xe7/0x180 [ 15.106857][ T1] __dev_change_flags+0x19e/0x200 [ 15.111734][ T1] ? _get_random_bytes+0xd6/0x1c0 [ 15.116615][ T1] dev_change_flags+0x21/0x80 [ 15.121146][ T1] ip_auto_config+0x2b4/0xb9a [ 15.125677][ T1] ? security_capable+0x33/0x80 [ 15.130375][ T1] ? tcp_ca_find+0x3e/0x80 [ 15.134647][ T1] ? root_nfs_parse_addr+0xa5/0xa5 [ 15.139612][ T1] ? do_one_initcall+0x41/0x200 [ 15.144310][ T1] do_one_initcall+0x41/0x200 [ 15.148843][ T1] kernel_init_freeable+0x20f/0x27b [ 15.153894][ T1] ? rest_init+0x100/0x100 [ 15.158166][ T1] kernel_init+0x16/0x140 [ 15.162350][ T1] ret_from_fork+0x1f/0x30 [ 15.166622][ T1] ixgbe 0000:17:00.0 eth1: request_irq failed for MSIX interrupt Error: -16 [ 15.175154][ T1] ixgbe 0000:17:00.0 eth1: request_irq failed, Error -16 [ 15.554555][ T1] IP-Config: Failed to open eth1 [ 15.821427][ T1] genirq: Flags mismatch irq 0. 00000000 (eth2-TxRx-0) vs. 00015a00 (timer) [ 15.829954][ T1] CPU: 95 PID: 1 Comm: swapper/0 Not tainted 5.14.0-10561-ga5b9e22d8df7 #1 [ 15.838387][ T1] Call Trace: [ 15.841534][ T1] dump_stack_lvl+0x34/0x44 [ 15.845899][ T1] __setup_irq.cold+0x9c/0xd4 [ 15.850432][ T1] ? ixgbe_clean_rx_ring+0x140/0x140 [ 15.855569][ T1] request_threaded_irq+0x10c/0x180 [ 15.860623][ T1] ixgbe_open+0x46b/0x580 [ 15.864809][ T1] __dev_open+0xe7/0x180 [ 15.868906][ T1] __dev_change_flags+0x19e/0x200 [ 15.873776][ T1] dev_change_flags+0x21/0x80 [ 15.878302][ T1] ip_auto_config+0x2b4/0xb9a [ 15.882832][ T1] ? security_capable+0x33/0x80 [ 15.887537][ T1] ? tcp_ca_find+0x3e/0x80 [ 15.891809][ T1] ? root_nfs_parse_addr+0xa5/0xa5 [ 15.896768][ T1] ? do_one_initcall+0x41/0x200 [ 15.901473][ T1] do_one_initcall+0x41/0x200 [ 15.906006][ T1] kernel_init_freeable+0x20f/0x27b [ 15.911056][ T1] ? rest_init+0x100/0x100 [ 15.915331][ T1] kernel_init+0x16/0x140 [ 15.919516][ T1] ret_from_fork+0x1f/0x30 [ 15.923794][ T1] ixgbe 0000:17:00.1 eth2: request_irq failed for MSIX interrupt Error: -16 [ 15.932331][ T1] ixgbe 0000:17:00.1 eth2: request_irq failed, Error -16 [ 16.306698][ T1] IP-Config: Failed to open eth2 To reproduce: git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp install job.yaml # job file is attached in this email bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run bin/lkp run generated-yaml-file --- 0DAY/LKP+ Test Infrastructure Open Source Technology Center https://lists.01.org/hyperkitty/list/lkp@lists.01.org Intel Corporation Thanks, Oliver Sang