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d8af4dfd84
While EEH error happens, we might not have network device instance (struct net_device) yet. So we can't access the instance safely and check its link state, which causes kernel crash. The patch fixes it. EEH: Frozen PE#2 on PHB#3 detected EEH: This PCI device has failed 1 times in the last hour EEH: Notify device drivers to shutdown (NULL net_device): PCI I/O error detected Unable to handle kernel paging request for data at address 0x00000048 Faulting instruction address: 0xd00000001c9387a8 Oops: Kernel access of bad area, sig: 11 [#1] SMP NR_CPUS=1024 NUMA PowerNV : NIP [d00000001c9387a8] .tg3_io_error_detected+0x78/0x2a0 [tg3] LR [d00000001c9387a4] .tg3_io_error_detected+0x74/0x2a0 [tg3] Call Trace: [c000003f93a0f960] [d00000001c9387a4] .tg3_io_error_detected+0x74/0x2a0 [tg3] [c000003f93a0fa30] [c00000000003844c] .eeh_report_error+0xac/0x120 [c000003f93a0fac0] [c0000000000371bc] .eeh_pe_dev_traverse+0x8c/0x150 [c000003f93a0fb60] [c000000000038858] .eeh_handle_normal_event+0x128/0x3d0 [c000003f93a0fbf0] [c000000000038db8] .eeh_handle_event+0x2b8/0x2c0 [c000003f93a0fc90] [c000000000038e80] .eeh_event_handler+0xc0/0x170 [c000003f93a0fd30] [c0000000000cc000] .kthread+0xf0/0x100 [c000003f93a0fe30] [c00000000000a0dc] .ret_from_kernel_thread+0x5c/0x80 Reported-by: Wei Yang <weiyang@linux.vnet.ibm.com> Signed-off-by: Gavin Shan <shangw@linux.vnet.ibm.com> Acked-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| appletalk | ||
| arcnet | ||
| bonding | ||
| caif | ||
| can | ||
| cris | ||
| dsa | ||
| ethernet | ||
| fddi | ||
| hamradio | ||
| hippi | ||
| hyperv | ||
| ieee802154 | ||
| irda | ||
| phy | ||
| plip | ||
| ppp | ||
| slip | ||
| team | ||
| usb | ||
| vmxnet3 | ||
| wan | ||
| wimax | ||
| wireless | ||
| xen-netback | ||
| dummy.c | ||
| eql.c | ||
| ifb.c | ||
| Kconfig | ||
| LICENSE.SRC | ||
| loopback.c | ||
| macvlan.c | ||
| macvtap.c | ||
| Makefile | ||
| mdio.c | ||
| mii.c | ||
| netconsole.c | ||
| nlmon.c | ||
| ntb_netdev.c | ||
| rionet.c | ||
| sb1000.c | ||
| Space.c | ||
| sungem_phy.c | ||
| tun.c | ||
| veth.c | ||
| virtio_net.c | ||
| vxlan.c | ||
| xen-netfront.c | ||