[Xperia Z2 Tablet Q&A, Help & Troubleshooting] ranf:
NOT fixed. Had the same yesterday. I took a bugreport.

Can someone make some sense out of this kernel panic?

<6>[249217.591756] wifi_set_power = 1
<3>[249217.633036] qup_i2c f9928000.i2c: QUP: I2C status flags :0xc1300c8, irq:132
<3>[249217.633067] qup_i2c f9928000.i2c: I2C slave addr:0x28 not connected
<6>[249217.797379] wifi_set_carddetect = 1
<6>[249217.797387] mmc0: Slot status change detected (0 -> 1)
<4>[249217.853462] mmc0: queuing unknown CIS tuple 0x91 (3 bytes)
<6>[249217.853552] mmc0: new ultra high speed DDR50 SDIO card at address 0001
<6>[249217.881970] F1 signature OK, socitype:0x1 chip:0x4339 rev:0x1 pkg:0x2
<6>[249217.882673] DHD: dongle ram size is set to 786432(orig 786432) at 0x180000
<4>[249217.910181] WifiStateMachin: page allocation failure: order:5, mode:0xc4d0
<6>[249217.910226] [<c010c278>] (unwind_backtrace+0x0/0x11c) from [<c0222a7c>] (warn_alloc_failed+0xf4/0x11c)
<6>[249217.910236] [<c0222a7c>] (warn_alloc_failed+0xf4/0x11c) from [<c0225d68>] (__alloc_pages_nodemask+0x744/0x85c)
<6>[249217.910245] [<c0225d68>] (__alloc_pages_nodemask+0x744/0x85c) from [<c0225ed8>] (__get_free_pages+0x10/0x24)
<6>[249217.910256] [<c0225ed8>] (__get_free_pages+0x10/0x24) from [<c02510d0>] (kmalloc_order_trace+0x20/0xd0)
<6>[249217.910271] [<c02510d0>] (kmalloc_order_trace+0x20/0xd0) from [<c08d92b8>] (wiphy_new+0xfc/0x3a4)
<6>[249217.910325] [<c08d92b8>] (wiphy_new+0xfc/0x3a4) from [<bf086130>] (wl_cfg80211_attach+0xe4/0xf94 [wlan])
<6>[249217.910366] [<bf086130>] (wl_cfg80211_attach+0xe4/0xf94 [wlan]) from [<bf04e5ac>] (dhd_attach+0x314/0x88c [wlan])
<6>[249217.910403] [<bf04e5ac>] (dhd_attach+0x314/0x88c [wlan]) from [<bf057060>] (dhdsdio_probe+0x314/0x6a4 [wlan])
<6>[249217.910438] [<bf057060>] (dhdsdio_probe+0x314/0x6a4 [wlan]) from [<bf042e88>] (bcmsdh_probe+0x108/0x168 [wlan])
<6>[249217.910471] [<bf042e88>] (bcmsdh_probe+0x108/0x168 [wlan]) from [<bf044c54>] (bcmsdh_sdmmc_probe+0x98/0xc0 [wlan])
<6>[249217.910494] [<bf044c54>] (bcmsdh_sdmmc_probe+0x98/0xc0 [wlan]) from [<c0671bf8>] (sdio_bus_probe+0x8c/0x100)
<6>[249217.910508] [<c0671bf8>] (sdio_bus_probe+0x8c/0x100) from [<c049d210>] (driver_probe_device+0x134/0x340)
<6>[249217.910518] [<c049d210>] (driver_probe_device+0x134/0x340) from [<c049d484>] (__driver_attach+0x68/0x8c)
<6>[249217.910527] [<c049d484>] (__driver_attach+0x68/0x8c) from [<c049b740>] (bus_for_each_dev+0x48/0x80)
<6>[249217.910536] [<c049b740>] (bus_for_each_dev+0x48/0x80) from [<c049c800>] (bus_add_driver+0x100/0x26c)
<6>[249217.910545] [<c049c800>] (bus_add_driver+0x100/0x26c) from [<c049d978>] (driver_register+0x9c/0x120)
<6>[249217.910567] [<c049d978>] (driver_register+0x9c/0x120) from [<bf044f20>] (sdio_function_init+0x40/0x74 [wlan])
<6>[249217.910601] [<bf044f20>] (sdio_function_init+0x40/0x74 [wlan]) from [<bf0c01c4>] (init_module+0x1c4/0x1000 [wlan])
<6>[249217.910624] [<bf0c01c4>] (init_module+0x1c4/0x1000 [wlan]) from [<c01005f4>] (do_one_initcall+0x90/0x160)
<6>[249217.910634] [<c01005f4>] (do_one_initcall+0x90/0x160) from [<c01e29e4>] (sys_init_module+0x1a9c/0x1c6c)
<6>[249217.910646] [<c01e29e4>] (sys_init_module+0x1a9c/0x1c6c) from [<c0106100>] (ret_fast_syscall+0x0/0x30)