Good Evening,
Commit f81dadbcf7fd067baf184b63c179fc392bdb226e "net: phy: realtek: Add
rtl8211e rx/tx delays config" breaks networking completely on the
rk3328-roc-cc.
Reverting the offending commit solves the problem.
The following error occurs:
[ 49.442425] Unable to handle kernel execution of user memory at
virtual address 0000000000000000
[ 49.443237] Mem abort info:
[ 49.443512] ESR = 0x86000005
[ 49.443798] Exception class = IABT (current EL), IL = 32 bits
[ 49.444331] SET = 0, FnV = 0
[ 49.444613] EA = 0, S1PTW = 0
[ 49.444914] user pgtable: 64k pages, 48-bit VAs, pgdp = 000000008f8d6f90
[ 49.445516] [0000000000000000] pgd=0000000000000000, pud=0000000000000000
[ 49.446136] Internal error: Oops: 86000005 [#1] PREEMPT SMP
[ 49.446641] Modules linked in: snd_soc_hdmi_codec dw_hdmi_i2s_audio
aes_ce_blk crypto_simd aes_ce_cipher crct10dif_ce ghash_ce aes_arm64
sha2_ce rockchipdrm sha256_arm64 sha1_ce dw_hdmi lima drm_kms_helper
gpu_sched pwm_fan snd_soc_simple_card snd_soc_simple_card_utils drm
snd_soc_rockchip_i2s drm_panel_orientation_quirks snd_soc_rockchip_pcm
squashfs sch_fq_codel ip_tables x_tables ipv6 crc_ccitt btrfs xor
xor_neon zstd_compress raid6_pq libcrc32c zstd_decompress rtc_rk808 realtek
[ 49.450477] Process NetworkManager (pid: 1814, stack limit =
0x00000000cc8e3ffb)
[ 49.451150] CPU: 2 PID: 1814 Comm: NetworkManager Not tainted
5.1.0-next-20190510test-00009-g3ed182aaa670 #51
[ 49.452036] Hardware name: Firefly roc-rk3328-cc (DT)
[ 49.452496] pstate: 80400005 (Nzcv daif +PAN -UAO)
[ 49.452938] pc : 0x0
[ 49.453158] lr : phy_select_page+0x34/0x78
[ 49.453532] sp : ffff0000139cf130
[ 49.453841] x29: ffff0000139cf130 x28: ffff80000c9908c0
[ 49.454326] x27: ffff800000ba1e10 x26: ffff0000139cf9a0
[ 49.454806] x25: ffff80000034a000 x24: 0000000000000000
[ 49.455285] x23: 0000000000000000 x22: 0000000000000008
[ 49.455762] x21: 0000000000000007 x20: ffff800000344800
[ 49.456245] x19: ffff800000344800 x18: 0000000000000030
[ 49.456726] x17: 0000000000000000 x16: 0000000000000000
[ 49.457207] x15: ffffffffffffffff x14: ffff000010f03688
[ 49.457688] x13: 000000cce415c000 x12: 0000000000000001
[ 49.458167] x11: 0000000000000000 x10: 00000000000004e5
[ 49.458647] x9 : 000000000b94d076 x8 : 00000000000000cc
[ 49.459130] x7 : 0000000000ddfd31 x6 : ffff8000feabcf70
[ 49.459610] x5 : ffff8000007e9f00 x4 : ffff000010a1cbd8
[ 49.460090] x3 : ffff80000034a070 x2 : ffff8000007e9f00
[ 49.460569] x1 : 0000000000000000 x0 : ffff800000344800
[ 49.461050] Call trace:
[ 49.461287] 0x0
[ 49.461468] rtl8211e_config_init+0x40/0xa0 [realtek]
[ 49.461927] phy_init_hw+0x54/0x70
[ 49.462243] phy_attach_direct+0xd4/0x250
[ 49.462612] phy_connect_direct+0x20/0x70
[ 49.462978] phy_connect+0x54/0xa0
[ 49.463295] stmmac_init_phy+0x17c/0x200
[ 49.463655] stmmac_open+0x124/0xac0
[ 49.463983] __dev_open+0xd8/0x158
[ 49.464299] __dev_change_flags+0x164/0x1c8
[ 49.464680] dev_change_flags+0x20/0x60
[ 49.465047] do_setlink+0x288/0xba8
[ 49.465366] __rtnl_newlink+0x5cc/0x6e8
[ 49.465720] rtnl_newlink+0x48/0x70
[ 49.466038] rtnetlink_rcv_msg+0x120/0x368
[ 49.466426] netlink_rcv_skb+0x58/0x118
[ 49.466784] rtnetlink_rcv+0x14/0x20
[ 49.467115] netlink_unicast+0x180/0x1f8
[ 49.467479] netlink_sendmsg+0x190/0x330
[ 49.467878] sock_sendmsg+0x3c/0x58
[ 49.468199] ___sys_sendmsg+0x268/0x2a0
[ 49.468554] __sys_sendmsg+0x68/0xb8
[ 49.468884] __arm64_sys_sendmsg+0x20/0x28
[ 49.469266] el0_svc_common.constprop.0+0x7c/0xe8
[ 49.469705] el0_svc_handler+0x28/0x78
[ 49.470052] el0_svc+0x8/0xc
[ 49.470334] Code: bad PC value
[ 49.470619] ---[ end trace f330c41329b3e289 ]---
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