4.17.0-10146-gf0dc7f9c6dd9: hw csum failure on powerpc+sungem

[Meelis Roos]

I am seeing this on PowerMac G4 with sungem ethernet driver. 4.17 was 
OK, 4.17.0-10146-gf0dc7f9c6dd9 is problematic.

[  140.518664] eth0: hw csum failure
[  140.518699] CPU: 0 PID: 1237 Comm: postconf Not tainted 4.17.0-10146-gf0dc7f9c6dd9 #83
[  140.518707] Call Trace:
[  140.518734] [effefd90] [c03d6db8] __skb_checksum_complete+0xd8/0xdc (unreliable)
[  140.518759] [effefdb0] [c04c1284] icmpv6_rcv+0x248/0x4ec
[  140.518775] [effefdd0] [c049a448] ip6_input_finish.constprop.0+0x11c/0x5f4
[  140.518786] [effefe10] [c049b1c0] ip6_mc_input+0xcc/0x100
[  140.518807] [effefe20] [c03e110c] __netif_receive_skb_core+0x310/0x944
[  140.518820] [effefe70] [c03e76ec] napi_gro_receive+0xd0/0xe8
[  140.518845] [effefe80] [f3e1f66c] gem_poll+0x618/0x1274 [sungem]
[  140.518856] [effeff30] [c03e6f0c] net_rx_action+0x198/0x374
[  140.518872] [effeff90] [c0501a88] __do_softirq+0x120/0x278
[  140.518890] [effeffe0] [c0036188] irq_exit+0xd8/0xdc
[  140.518908] [effefff0] [c000f478] call_do_irq+0x24/0x3c
[  140.518925] [d05a5d30] [c0007120] do_IRQ+0x74/0xf0
[  140.518941] [d05a5d50] [c0012474] ret_from_except+0x0/0x14
[  140.518960] --- interrupt: 501 at copy_page+0x40/0x90
                   LR = copy_user_page+0x18/0x30
[  140.518973] [d05a5e10] [d058cd80] 0xd058cd80 (unreliable)
[  140.518989] [d05a5e20] [c00fa2bc] wp_page_copy+0xec/0x654
[  140.519002] [d05a5e60] [c00fd3a4] do_wp_page+0xa8/0x5b4
[  140.519013] [d05a5e90] [c00fe934] handle_mm_fault+0x564/0xa84
[  140.519025] [d05a5f00] [c0016230] do_page_fault+0x1bc/0x7e8
[  140.519037] [d05a5f40] [c0012300] handle_page_fault+0x14/0x40
[  140.519048] --- interrupt: 301 at 0xb78b6864
                   LR = 0xb78b6c54


-- 
Meelis Roos (mroos at linux.ee)