mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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| Filename | Latest commit message | Latest commit date |
|---|---|---|
a0ba41317c
[ Upstream commit 3f0dcfbcd2e162fc0a11c1f59b7acd42ee45f126 ] I/O requests may be held in scheduler queue because of resource contention. The starvation scenario was handled properly in the regular completion path but we failed to account for it during I/O submission. This lead to the hang captured below. Make sure we run the queue when resource contention is encountered in the submission path. [ 39.054963] scsi 13:0:0:0: rejecting I/O to dead device [ 39.058700] scsi 13:0:0:0: rejecting I/O to dead device [ 39.087855] sd 13:0:0:1: [sdd] Synchronizing SCSI cache [ 39.088909] scsi 13:0:0:1: rejecting I/O to dead device [ 39.095351] scsi 13:0:0:1: rejecting I/O to dead device [ 39.096962] scsi 13:0:0:1: rejecting I/O to dead device [ 247.021859] INFO: task scsi-stress-rem:813 blocked for more than 122 seconds. [ 247.023258] Not tainted 5.8.0-rc2 #8 [ 247.024069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.025331] scsi-stress-rem D 0 813 802 0x00004000 [ 247.025334] Call Trace: [ 247.025354] __schedule+0x504/0x55f [ 247.027987] schedule+0x72/0xa8 [ 247.027991] blk_mq_freeze_queue_wait+0x63/0x8c [ 247.027994] ? do_wait_intr_irq+0x7a/0x7a [ 247.027996] blk_cleanup_queue+0x4b/0xc9 [ 247.028000] __scsi_remove_device+0xf6/0x14e [ 247.028002] scsi_remove_device+0x21/0x2b [ 247.029037] sdev_store_delete+0x58/0x7c [ 247.029041] kernfs_fop_write+0x10d/0x14f [ 247.031281] vfs_write+0xa2/0xdf [ 247.032670] ksys_write+0x6b/0xb3 [ 247.032673] do_syscall_64+0x56/0x82 [ 247.034053] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 247.034059] RIP: 0033:0x7f69f39e9008 [ 247.036330] Code: Bad RIP value. [ 247.036331] RSP: 002b:00007ffdd8116498 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 247.037613] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f69f39e9008 [ 247.039714] RDX: 0000000000000002 RSI: 000055cde92a0ab0 RDI: 0000000000000001 [ 247.039715] RBP: 000055cde92a0ab0 R08: 000000000000000a R09: 00007f69f3a79e80 [ 247.039716] R10: 000000000000000a R11: 0000000000000246 R12: 00007f69f3abb780 [ 247.039717] R13: 0000000000000002 R14: 00007f69f3ab6740 R15: 0000000000000002 Link: https://lore.kernel.org/r/20200720025435.812030-1-ming.lei@redhat.com Cc: linux-block@vger.kernel.org Cc: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> |
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| .. | ||
| aacraid | ||
| aic7xxx | ||
| aic94xx | ||
| arcmsr | ||
| arm | ||
| be2iscsi | ||
| bfa | ||
| bnx2fc | ||
| bnx2i | ||
| csiostor | ||
| cxgbi | ||
| cxlflash | ||
| device_handler | ||
| dpt | ||
| esas2r | ||
| fcoe | ||
| fnic | ||
| hisi_sas | ||
| ibmvscsi | ||
| ibmvscsi_tgt | ||
| isci | ||
| libfc | ||
| libsas | ||
| lpfc | ||
| megaraid | ||
| mpt3sas | ||
| mvsas | ||
| pcmcia | ||
| pm8001 | ||
| qedf | ||
| qedi | ||
| qla2xxx | ||
| qla4xxx | ||
| smartpqi | ||
| snic | ||
| sym53c8xx_2 | ||
| ufs | ||
| .gitignore | ||
| 3w-9xxx.c | ||
| 3w-9xxx.h | ||
| 3w-sas.c | ||
| 3w-sas.h | ||
| 3w-xxxx.c | ||
| 3w-xxxx.h | ||
| 53c700.c | ||
| 53c700.h | ||
| 53c700.scr | ||
| 53c700_d.h_shipped | ||
| a100u2w.c | ||
| a100u2w.h | ||
| a2091.c | ||
| a2091.h | ||
| a3000.c | ||
| a3000.h | ||
| a4000t.c | ||
| advansys.c | ||
| aha152x.c | ||
| aha152x.h | ||
| aha1542.c | ||
| aha1542.h | ||
| aha1740.c | ||
| aha1740.h | ||
| am53c974.c | ||
| atari_scsi.c | ||
| atp870u.c | ||
| atp870u.h | ||
| BusLogic.c | ||
| BusLogic.h | ||
| bvme6000_scsi.c | ||
| ch.c | ||
| constants.c | ||
| dc395x.c | ||
| dc395x.h | ||
| dmx3191d.c | ||
| dpt_i2o.c | ||
| dpti.h | ||
| esp_scsi.c | ||
| esp_scsi.h | ||
| fdomain.c | ||
| fdomain.h | ||
| fdomain_isa.c | ||
| fdomain_pci.c | ||
| FlashPoint.c | ||
| g_NCR5380.c | ||
| gdth.c | ||
| gdth.h | ||
| gdth_ioctl.h | ||
| gdth_proc.c | ||
| gdth_proc.h | ||
| gvp11.c | ||
| gvp11.h | ||
| hosts.c | ||
| hpsa.c | ||
| hpsa.h | ||
| hpsa_cmd.h | ||
| hptiop.c | ||
| hptiop.h | ||
| imm.c | ||
| imm.h | ||
| initio.c | ||
| initio.h | ||
| ipr.c | ||
| ipr.h | ||
| ips.c | ||
| ips.h | ||
| iscsi_boot_sysfs.c | ||
| iscsi_tcp.c | ||
| iscsi_tcp.h | ||
| jazz_esp.c | ||
| Kconfig | ||
| lasi700.c | ||
| libiscsi.c | ||
| libiscsi_tcp.c | ||
| mac53c94.c | ||
| mac53c94.h | ||
| mac_esp.c | ||
| mac_scsi.c | ||
| Makefile | ||
| megaraid.c | ||
| megaraid.h | ||
| mesh.c | ||
| mesh.h | ||
| mvme16x_scsi.c | ||
| mvme147.c | ||
| mvme147.h | ||
| mvumi.c | ||
| mvumi.h | ||
| myrb.c | ||
| myrb.h | ||
| myrs.c | ||
| myrs.h | ||
| ncr53c8xx.c | ||
| ncr53c8xx.h | ||
| NCR5380.c | ||
| NCR5380.h | ||
| nsp32.c | ||
| nsp32.h | ||
| nsp32_debug.c | ||
| nsp32_io.h | ||
| pmcraid.c | ||
| pmcraid.h | ||
| ppa.c | ||
| ppa.h | ||
| ps3rom.c | ||
| qla1280.c | ||
| qla1280.h | ||
| qlogicfas.c | ||
| qlogicfas408.c | ||
| qlogicfas408.h | ||
| qlogicpti.c | ||
| qlogicpti.h | ||
| raid_class.c | ||
| script_asm.pl | ||
| scsi.c | ||
| scsi.h | ||
| scsi_common.c | ||
| scsi_debug.c | ||
| scsi_debugfs.c | ||
| scsi_debugfs.h | ||
| scsi_devinfo.c | ||
| scsi_dh.c | ||
| scsi_error.c | ||
| scsi_ioctl.c | ||
| scsi_lib.c | ||
| scsi_lib_dma.c | ||
| scsi_logging.c | ||
| scsi_logging.h | ||
| scsi_netlink.c | ||
| scsi_pm.c | ||
| scsi_priv.h | ||
| scsi_proc.c | ||
| scsi_sas_internal.h | ||
| scsi_scan.c | ||
| scsi_sysctl.c | ||
| scsi_sysfs.c | ||
| scsi_trace.c | ||
| scsi_transport_api.h | ||
| scsi_transport_fc.c | ||
| scsi_transport_iscsi.c | ||
| scsi_transport_sas.c | ||
| scsi_transport_spi.c | ||
| scsi_transport_srp.c | ||
| scsicam.c | ||
| sd.c | ||
| sd.h | ||
| sd_dif.c | ||
| sd_zbc.c | ||
| sense_codes.h | ||
| ses.c | ||
| sg.c | ||
| sgiwd93.c | ||
| sim710.c | ||
| sni_53c710.c | ||
| sr.c | ||
| sr.h | ||
| sr_ioctl.c | ||
| sr_vendor.c | ||
| st.c | ||
| st.h | ||
| st_options.h | ||
| stex.c | ||
| storvsc_drv.c | ||
| sun3_scsi.c | ||
| sun3_scsi_vme.c | ||
| sun3x_esp.c | ||
| sun_esp.c | ||
| virtio_scsi.c | ||
| vmw_pvscsi.c | ||
| vmw_pvscsi.h | ||
| wd33c93.c | ||
| wd33c93.h | ||
| wd719x.c | ||
| wd719x.h | ||
| xen-scsifront.c | ||
| zalon.c | ||
| zorro7xx.c | ||
| zorro_esp.c | ||