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766639cab0
We need to check that a fcport is offloaded before we try to flush any requests. No doing so could lead to undefined results and most likely a crash. Fixes the oops: [ 343.971886] [0000:42:00.3]:[qedf_execute_tmf:2070]:8: wait for tm_cmpl timeout! [ 343.971933] BUG: unable to handle kernel paging request at 00000000000024a8 [ 343.971949] IP: [<ffffffffa06b8cc6>] qedf_flush_active_ios+0x46/0x260 [qedf] [ 343.971952] PGD 42c569067 PUD 4160fe067 PMD 0 [ 343.971954] Oops: 0000 [#1] SMP [ 343.972008] Modules linked in: qedf(OEX) qed(OEX) bnx2i cnic fuse af_packet iscsi_ibft msr xfs intel_rapl sb_edac edac_core x86_pkg_temp_thermal bnx2x geneve intel_powerclamp vxlan coretemp ipmi_ssif ipmi_devintf kvm_intel kvm libiscsi joydev irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel tg3 ip6_udp_tunnel udp_tunnel mdio libcrc32c iTCO_wdt scsi_transport_iscsi uio drbg iTCO_vendor_support iscsi_boot_sysfs dcdbas(X) ipmi_si ansi_cprng aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper ptp pps_core pcspkr libphy lpc_ich mfd_core cryptd fjes wmi ipmi_msghandler button crc8 libfcoe libfc scsi_transport_fc mei_me mei shpchp processor acpi_pad btrfs xor hid_generic usbhid raid6_pq sd_mod sr_mod cdrom mgag200 crc32c_intel i2c_algo_bit drm_kms_helper syscopyarea sysfillrect sysimgblt [ 343.972020] fb_sys_fops ttm ahci ehci_pci libahci ehci_hcd drm libata usbcore megaraid_sas usb_common sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua scsi_mod autofs4 [last unloaded: qedf] [ 343.972022] Supported: Yes, External [ 343.972026] CPU: 30 PID: 12777 Comm: sg_reset Tainted: G W OE X 4.4.73-5-default #1 [ 343.972027] Hardware name: Dell Inc. PowerEdge R720/0X3D66, BIOS 2.1.3 11/20/2013 [ 343.972029] task: ffff88018dfc0e80 ti: ffff88042bd7c000 task.ti: ffff88042bd7c000 [ 343.972036] RIP: 0010:[<ffffffffa06b8cc6>] [<ffffffffa06b8cc6>] qedf_flush_active_ios+0x46/0x260 [qedf] [ 343.972038] RSP: 0018:ffff88042bd7fbe0 EFLAGS: 00010286 [ 343.972039] RAX: 0000000000000000 RBX: ffff88042ce37800 RCX: 0000000000000400 [ 343.972040] RDX: 000000000000060e RSI: ffffffffa06be830 RDI: ffff8807e5072cc0 [ 343.972041] RBP: 0000000000001000 R08: ffffffffa06bff4d R09: ffff88018dd84580 [ 343.972042] R10: 000000000000018b R11: 0000000000000002 R12: 0000000000002003 [ 343.972043] R13: 0000000000000000 R14: 0000000000000000 R15: ffff8807e5072cc0 [ 343.972046] FS: 00007fc1c8809700(0000) GS:ffff88042fbc0000(0000) knlGS:0000000000000000 [ 343.972048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 343.972049] CR2: 00000000000024a8 CR3: 00000004236ec000 CR4: 00000000001406e0 [ 343.972050] Stack: [ 343.972053] 504c78750607e154 ffffffff810a7d10 ffff88042ce37800 0000000000000010 [ 343.972055] 0000000000002003 ffff8807ff480c48 ffff8807e5072cc0 ffffc90004ec4ff8 [ 343.972057] ffffffffa06b9b86 ffff880800000010 0000000000000282 ffff88042ce37800 [ 343.972058] Call Trace: [ 343.972094] [<ffffffffa06b9b86>] qedf_initiate_tmf+0x346/0x3e0 [qedf] [ 343.972120] [<ffffffffa000fa06>] scsi_try_bus_device_reset+0x26/0x40 [scsi_mod] [ 343.972133] [<ffffffffa001038e>] scsi_ioctl_reset+0x13e/0x260 [scsi_mod] [ 343.972145] [<ffffffffa000f416>] scsi_ioctl+0x136/0x3d0 [scsi_mod] [ 343.972154] [<ffffffff812ff6eb>] blkdev_ioctl+0x6bb/0x950 [ 343.972164] [<ffffffff8123cfed>] block_ioctl+0x3d/0x40 [ 343.972170] [<ffffffff81217e2d>] do_vfs_ioctl+0x2cd/0x4a0 [ 343.972186] [<ffffffff81218074>] SyS_ioctl+0x74/0x80 [ 343.972193] [<ffffffff8160916e>] entry_SYSCALL_64_fastpath+0x12/0x6d [ 343.975285] DWARF2 unwinder stuck at entry_SYSCALL_64_fastpath+0x12/0x6d Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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| amba | ||
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| atm | ||
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| base | ||
| bcma | ||
| block | ||
| bluetooth | ||
| bus | ||
| cdrom | ||
| char | ||
| clk | ||
| clocksource | ||
| connector | ||
| cpufreq | ||
| cpuidle | ||
| crypto | ||
| dax | ||
| dca | ||
| devfreq | ||
| dio | ||
| dma | ||
| dma-buf | ||
| edac | ||
| eisa | ||
| extcon | ||
| firewire | ||
| firmware | ||
| fmc | ||
| fpga | ||
| fsi | ||
| gpio | ||
| gpu | ||
| hid | ||
| hsi | ||
| hv | ||
| hwmon | ||
| hwspinlock | ||
| hwtracing | ||
| i2c | ||
| ide | ||
| idle | ||
| iio | ||
| infiniband | ||
| input | ||
| iommu | ||
| ipack | ||
| irqchip | ||
| isdn | ||
| leds | ||
| lightnvm | ||
| macintosh | ||
| mailbox | ||
| mcb | ||
| md | ||
| media | ||
| memory | ||
| memstick | ||
| message | ||
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| misc | ||
| mmc | ||
| mtd | ||
| mux | ||
| net | ||
| nfc | ||
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| nvdimm | ||
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| nvmem | ||
| of | ||
| opp | ||
| oprofile | ||
| parisc | ||
| parport | ||
| pci | ||
| pcmcia | ||
| perf | ||
| phy | ||
| pinctrl | ||
| platform | ||
| pnp | ||
| power | ||
| powercap | ||
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| ps3 | ||
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| pwm | ||
| rapidio | ||
| ras | ||
| regulator | ||
| remoteproc | ||
| reset | ||
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| sh | ||
| siox | ||
| slimbus | ||
| sn | ||
| soc | ||
| soundwire | ||
| spi | ||
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| tc | ||
| tee | ||
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| usb | ||
| uwb | ||
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| video | ||
| virt | ||
| virtio | ||
| visorbus | ||
| vlynq | ||
| vme | ||
| w1 | ||
| watchdog | ||
| xen | ||
| zorro | ||
| Kconfig | ||
| Makefile | ||