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Server hangs with scsi_send_eh_cmnd+0x58/0x3a0 panic (Doc ID 2262584.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Linux OS - Version Oracle Linux 5.5 with Unbreakable Enterprise Kernel [2.6.32] and later
Oracle Cloud Infrastructure - Version N/A and later
Information in this document applies to any platform.

Symptoms

An Oracle Secure Backup Media server stopped responding after a DB restore and archive backups were launched at the same time.

A Call Trace such as the following may be logged to the system logs:

BUG: unable to handle kernel NULL pointer dereference at 0000000000000350
IP: [<ffffffff81352bb8>] scsi_send_eh_cmnd+0x58/0x3a0
<snip>
Process scsi_eh_3 (pid: 4144, threadinfo ffff88030920c000, task
ffff880326b160c0)
Stack:
000000010372e6ba 0000000000000282 000027100920dca0 ffffffffa0038ee0
0000000000000000 0000000000030003 ffff88030920dc80 ffff88030920dc80
00000002000e0000 0000000a00004000 ffff8803242f7760 ffff88031326ed80
Call Trace:
[<ffffffff8105b590>] ? lock_timer_base+0x70/0x70
[<ffffffff81352fbe>] scsi_eh_tur+0x3e/0xc0
[<ffffffff81353a36>] scsi_eh_test_devices+0x76/0x170
[<ffffffff81354125>] scsi_eh_host_reset+0x85/0x160
[<ffffffff81354291>] scsi_eh_ready_devs+0x91/0x110
[<ffffffff813543fd>] scsi_unjam_host+0xed/0x1f0
[<ffffffff813546a8>] scsi_error_handler+0x1a8/0x200
[<ffffffff81354500>] ? scsi_unjam_host+0x1f0/0x1f0
[<ffffffff8106ec3e>] kthread+0x9e/0xb0
[<ffffffff81509264>] kernel_thread_helper+0x4/0x10
[<ffffffff8106eba0>] ? kthread_freezable_should_stop+0x70/0x70
[<ffffffff81509260>] ? gs_change+0x13/0x13
Code: 25 28 00 00 00 48 89 45 c8 31 c0 48 8b 87 80 00 00 00 48 8d b5 60
ff ff ff 89 d1 48 89 fb 41 89 d6\

<48> 8b 80 50 03 00 00 48 8b 00 48 89 85 38 ff ff ff 48 8b 07 4c
RIP [<ffffffff81352bb8>] scsi_send_eh_cmnd+0x58/0x3a0
RSP <ffff88030920dc50>
CR2: 0000000000000350

 

 

 

 

Cause

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In this Document
Symptoms
Cause
Solution
References


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