ehea crash on boot

[Denis Kirjanov]

On Monday, September 26, 2016, Mathieu Malaterre <
mathieu.malaterre at gmail.com> wrote:

> On Fri, Sep 23, 2016 at 2:50 PM, Denis Kirjanov <kda at linux-powerpc.org
> <javascript:;>> wrote:
> > Heh, another thing to debug :)
> >
> > mm: Hashing failure ! EA=0xd000080080124040 access=0x800000000000000e
> > current=NetworkManager
> > trap=0x300 vsid=0x13d349c ssize=1 base psize=2 psize 2
> pte=0xc0003bc0300301ae
> > mm: Hashing failure ! EA=0xd000080080124040 access=0x800000000000000e
> > current=NetworkManager
> > trap=0x300 vsid=0x13d349c ssize=1 base psize=2 psize 2
> pte=0xc0003bc0300301ae
> > Unable to handle kernel paging request for data at address
> 0xd000080080124040
> > Faulting instruction address: 0xc0000000006f21a0
> > cpu 0x8: Vector: 300 (Data Access) at [c0000005a8b92b50]
> > pc: c0000000006f21a0: .ehea_create_cq+0x160/0x230
> > lr: c0000000006f2164: .ehea_create_cq+0x124/0x230
> > sp: c0000005a8b92dd0
> > msr: 8000000000009032
> > dar: d000080080124040
> > dsisr: 42000000
> > current = 0xc0000005a8b68200
> > paca = 0xc00000000ea94000 softe: 0 irq_happened: 0x01
> > pid = 6787, comm = NetworkManager
> > Linux version 4.8.0-rc6-00214-g4cea877 (kda at ps700) (gcc version 4.8.5
> > 20150623 (Red Hat 4.8.5-4) (GCC) ) #1 SMP Fri Sep 23 15:01:08 MSK 2016
> > enter ? for help
> > [c0000005a8b92dd0] c0000000006f2140 .ehea_create_cq+0x100/0x230
> (unreliable)
> > [c0000005a8b92e70] c0000000006ed448 .ehea_up+0x288/0xed0
> > [c0000005a8b92fe0] c0000000006ee314 .ehea_open+0x44/0x130
> > [c0000005a8b93070] c000000000812324 .__dev_open+0x154/0x220
> > [c0000005a8b93110] c000000000812734 .__dev_change_flags+0xd4/0x1e0
> > [c0000005a8b931b0] c00000000081286c .dev_change_flags+0x2c/0x80
> > [c0000005a8b93240] c000000000829f0c .do_setlink+0x37c/0xe50
> > [c0000005a8b933c0] c00000000082c884 .rtnl_newlink+0x5e4/0x9b0
> > [c0000005a8b936d0] c00000000082cd08 .rtnetlink_rcv_msg+0xb8/0x2f0
> > [c0000005a8b937a0] c00000000084e25c .netlink_rcv_skb+0x12c/0x150
> > [c0000005a8b93830] c000000000829458 .rtnetlink_rcv+0x38/0x60
> > [c0000005a8b938b0] c00000000084d814 .netlink_unicast+0x1e4/0x350
> > [c0000005a8b93960] c00000000084def8 .netlink_sendmsg+0x418/0x480
> > [c0000005a8b93a40] c0000000007defac .sock_sendmsg+0x2c/0x60
> > [c0000005a8b93ab0] c0000000007e0cbc .___sys_sendmsg+0x30c/0x320
> > [c0000005a8b93c90] c0000000007e21bc .__sys_sendmsg+0x4c/0xb0
> > [c0000005a8b93d80] c0000000007e2dec .SyS_socketcall+0x34c/0x3d0
> > [c0000005a8b93e30] c00000000000946c system_call+0x38/0x108
>
> Can you turn UBSAN on for this ?


I'll get back to the problem and send a fix when I'll finish my trip


> --
> Mathieu
>
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