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803e45550b
The goal of the following command sequence is to restart the adapter. However, the tgt_stop flag remains set, indicating that the adapter is still in stopping state even after re-enabling it. echo 0x7fffffff > /sys/module/qla2xxx/parameters/logging modprobe target_core_mod modprobe tcm_qla2xxx mkdir /sys/kernel/config/target/qla2xxx mkdir /sys/kernel/config/target/qla2xxx/<port-name> mkdir /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1 echo 1 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable echo 0 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable echo 1 > /sys/kernel/config/target/qla2xxx/<port-name>/tpgt_1/enable kernel: PID 1396:qla_target.c:1555 qlt_stop_phase1(): tgt_stop 0x0, tgt_stopped 0x0 kernel: qla2xxx [0001:00:02.0]-e803:1: PID 1396:qla_target.c:1567: Stopping target for host 1(c0000000033557e8) kernel: PID 1396:qla_target.c:1579 qlt_stop_phase1(): tgt_stop 0x1, tgt_stopped 0x0 kernel: PID 1396:qla_target.c:1266 qlt_schedule_sess_for_deletion(): tgt_stop 0x1, tgt_stopped 0x0 kernel: qla2xxx [0001:00:02.0]-e801:1: PID 1396:qla_target.c:1316: Scheduling sess c00000002d5cd800 for deletion 21:00:00:24:ff:7f:35:c7 <skipped> kernel: qla2xxx [0001:00:02.0]-290a:1: PID 340:qla_target.c:1187: qlt_unreg_sess sess c00000002d5cd800 for deletion 21:00:00:24:ff:7f:35:c7 <skipped> kernel: qla2xxx [0001:00:02.0]-f801:1: PID 340:qla_target.c:1145: Unregistration of sess c00000002d5cd800 21:00:00:24:ff:7f:35:c7 finished fcp_cnt 0 kernel: PID 340:qla_target.c:1155 qlt_free_session_done(): tgt_stop 0x1, tgt_stopped 0x0 kernel: qla2xxx [0001:00:02.0]-4807:1: PID 346:qla_os.c:6329: ISP abort scheduled. <skipped> kernel: qla2xxx [0001:00:02.0]-28f1:1: PID 346:qla_os.c:3956: Mark all dev lost kernel: PID 346:qla_target.c:1266 qlt_schedule_sess_for_deletion(): tgt_stop 0x1, tgt_stopped 0x0 kernel: qla2xxx [0001:00:02.0]-4808:1: PID 346:qla_os.c:6338: ISP abort end. <skipped> kernel: PID 1396:qla_target.c:6812 qlt_enable_vha(): tgt_stop 0x1, tgt_stopped 0x0 <skipped> kernel: qla2xxx [0001:00:02.0]-4807:1: PID 346:qla_os.c:6329: ISP abort scheduled. <skipped> kernel: qla2xxx [0001:00:02.0]-4808:1: PID 346:qla_os.c:6338: ISP abort end. qlt_handle_cmd_for_atio() rejects the request to send commands because the adapter is in the stopping state: kernel: PID 0:qla_target.c:4442 qlt_handle_cmd_for_atio(): tgt_stop 0x1, tgt_stopped 0x0 kernel: qla2xxx [0001:00:02.0]-3861:1: PID 0:qla_target.c:4447: New command while device c000000005314600 is shutting down kernel: qla2xxx [0001:00:02.0]-e85f:1: PID 0:qla_target.c:5728: qla_target: Unable to send command to target This patch calls qla_stop_phase2() in addition to qlt_stop_phase1() in tcm_qla2xxx_tpg_enable_store() and tcm_qla2xxx_npiv_tpg_enable_store(). The qlt_stop_phase1() marks adapter as stopping (tgt_stop == 0x1, tgt_stopped == 0x0) but qlt_stop_phase2() marks adapter as stopped (tgt_stop == 0x0, tgt_stopped == 0x1). Link: https://lore.kernel.org/r/52be1e8a3537f6c5407eae3edd4c8e08a9545ea5.camel@yadro.com Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com> Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Viacheslav Dubeyko <v.dubeiko@yadro.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.