WR Linux 4.3 on p4080 standard kernel glibc_small fs When CONFIG_FSL_DPA_CHECKING is enabled in the kernel, there is a kernel panic after the customer's networking application has been running for a few minutes. Please press Enter to activate this console. [ 13.128838] uio_mmap_physical: remap 0x48021000 (0xffd000000) for 4096 at mi = 0. [ 17.962695] uio_mmap_physical: remap 0x48021000 (0xffd100000) for 4096 at mi = 0. [ 22.772699] uio_mmap_physical: remap 0x48021000 (0xffd100000) for 4096 at mi = 0. [ 27.539342] uio_mmap_physical: remap 0x48021000 (0xffd100000) for 4096 at mi = 0. [ 265.704112] Parallel attempts to enter bman_released() detected. [ 265.704120] Parallel attempts to enter bman_released() detected. [ 265.704128] Kernel panic - not syncing: only one instance of bman_released/acquired llowed [ 265.704133] Call Trace: [ 265.704145] [ee4b9bb0] [c0008438] show_stack+0x68/0x1d8 (unreliable) [ 265.704155] [ee4b9c00] [c0505154] dump_stack+0x2c/0x44 [ 265.704162] [ee4b9c10] [c05052a8] panic+0x13c/0x1b8 [ 265.704173] [ee4b9c60] [c0422b50] bman_release+0x71c/0x9cc [ 265.704183] [ee4b9cf0] [c03efd38] dpa_bp_add_8+0xf8/0x1c8 [ 265.704190] [ee4b9d70] [c03f1fd4] dpaa_eth_poll+0x78/0xb4 [ 265.704203] [ee4b9d90] [c044e364] net_rx_action+0x11c/0x344 [ 265.704213] [ee4b9df0] [c0057888] __do_softirq+0x118/0x28c [ 265.704220] [ee4b9e50] [c0005250] do_softirq+0x7c/0x98 [ 265.704227] [ee4b9e70] [c00576cc] irq_exit+0xa0/0xc4 [ 265.704233] [ee4b9e90] [c00054ec] native_do_IRQ+0xe8/0x12c [ 265.704240] [ee4b9eb0] [c0003c88] do_IRQ+0x24/0x3c [ 265.704251] [ee4b9ec0] [c0012bd0] ret_from_except+0x0/0x18 [ 265.704260] --- Exception: 501 at cpu_idle+0x10c/0x18c [ 265.704263] LR = cpu_idle+0x10c/0x18c [ 265.704268] [ee4b9f80] [c0009794] cpu_idle+0xdc/0x18c (unreliable) [ 265.704278] [ee4b9fb0] [c050b70c] start_secondary+0x31c/0x338 [ 265.704285] [ee4b9ff0] [c0001b30] __secondary_start+0x30/0x84 [ 265.704297] Rebooting in 180 seconds..
reproducible at customer site
