PR460X crash

My PR460X on firmware 2.7.0.111 (current latest available) sometimes crashes.  Stack trace from the crash logs below.  This appears to be a firmware/driver bug.

2026-03-13T13:34:28+00:00 router.lan kernel: [   40.476240] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1559
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.476262] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/3
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.483736] CPU: 3 PID: 0 Comm: swapper/3 Tainted: P                  5.4.164 #0
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.491544] Hardware name: Generic DT based system
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.499016] [<4210fa8c>] (unwind_backtrace) from [<4210b870>] (show_stack+0x10/0x14)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.503608] [<4210b870>] (show_stack) from [<42738500>] (dump_stack+0x88/0xa8)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.511506] [<42738500>] (dump_stack) from [<4213e278>] (___might_sleep+0x13c/0x17c)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.518538] [<4213e278>] (___might_sleep) from [<42751ebc>] (down_write+0x18/0x70)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.526438] [<42751ebc>] (down_write) from [<42355ffc>] (debugfs_remove+0x24/0x60)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.533823] [<42355ffc>] (debugfs_remove) from [<3f7a8888>] (eip_ctx_final+0x38/0x68 [qca_nss_eip])
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.541396] [<3f7a8888>] (eip_ctx_final [qca_nss_eip]) from [<3f7ac310>] (eip_tr_inval_done+0x44/0x90 [qca_nss_eip])
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.550317] [<3f7ac310>] (eip_tr_inval_done [qca_nss_eip]) from [<3f7a8e88>] (eip_dma_napi_rx_poll+0x230/0x29c [qca_nss_ei
p])
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.561080] [<3f7a8e88>] (eip_dma_napi_rx_poll [qca_nss_eip]) from [<425ffef8>] (__napi_poll+0x28/0xb8)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.572272] [<425ffef8>] (__napi_poll) from [<4260012c>] (net_rx_action+0xf0/0x280)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.581472] [<4260012c>] (net_rx_action) from [<42102148>] (__do_softirq+0xd0/0x280)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.589114] [<42102148>] (__do_softirq) from [<42120f20>] (irq_exit+0x74/0xd4)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.597097] [<42120f20>] (irq_exit) from [<42165810>] (__handle_domain_irq+0x90/0xb4)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.604129] [<42165810>] (__handle_domain_irq) from [<423ddc40>] (gic_handle_irq+0x58/0x90)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.612027] [<423ddc40>] (gic_handle_irq) from [<42101a78>] (__irq_svc+0x58/0x8c)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.620184] Exception stack(0xbe4c3f60 to 0xbe4c3fa8)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.627822] 3f60: 00000000 00014fd8 bedb2a34 42118140 00000000 ffffc000 00000000 42b06e48
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.632859] 3f80: 00000008 42b06ea8 42a41470 00000000 42b91730 be4c3fb0 42108b38 42108b3c
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.641017] 3fa0: 60000013 ffffffff
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.649177] [<42101a78>] (__irq_svc) from [<42108b3c>] (arch_cpu_idle+0x2c/0x38)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.652479] [<42108b3c>] (arch_cpu_idle) from [<42145038>] (do_idle+0xf8/0x274)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.660116] [<42145038>] (do_idle) from [<4214545c>] (cpu_startup_entry+0x18/0x1c)
2026-03-13T13:34:28+00:00 router.lan kernel: [   40.667147] [<4214545c>] (cpu_startup_entry) from [<42102390>] (__enable_mmu+0x0/0x30)