Reboot due to ancient IO, scsiOp=0x1031e62c0 poolId=1 opCode=28

Applies to

• NetApp E-Series
• NetApp SANtricity OS 11.70R2

Issue

• Controller reboot and trigger core dump.
• The excLogShow can see the panic/exception log strings.

Example:

Reboot due to ancient IO, scsiOp=0x1031e62c0 poolId=1 opCode=28
 age=300000ms
2021-02-06 04:23:37.821554
rebootReason 0x429c002, rebootReasonExtra 0x0

Backtrace of the crashed thread:
#0  0x00007f55fa0a9067 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f55fad914ea in vkiPanic () from /raid/lib/libeos-System.so
No symbol table info available.
#2  0x00007f55fad9162a in _vkiReboot () from /raid/lib/libeos-System.so
No symbol table info available.
#3  0x00007f55e31e1e57 in scsi::SCSIManager::ancientIoReboot(scsi::AncientIoDetector*, scsi::Op*, unsigned int) () from /raid/lib/libeos-RAID.so
No symbol table info available.
#4  0x00007f55e31dc94b in scsi::ScsiOpPool::checkForAncientIo() () from /raid/lib/libeos-RAID.so
No symbol table info available.
#5  0x00007f55e30eb37f in utl::VkiTimeoutGroup::expired() () from /raid/lib/libeos-RAID.so
No symbol table info available.
#6  0x00007f55e2a64750 in iopi::TimeoutWorkGroup::processAll() () from /raid/lib/libeos-RAID.so
No symbol table info available.
#7  0x00007f55e297ba82 in iop::IoScheduleManagerMulticore::raidCacheSchedulerTask1() () from /raid/lib/libeos-RAID.so
No symbol table info available.
#8  0x00007f55fad94d95 in vkiTask () from /raid/lib/libeos-System.so
No symbol table info available.
#9  0x00007f55f95dd064 in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#10 0x00007f55fa15c62d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.

RegisterValues:
rax            0x0    0
rbx            0x7f55e5a9d498    140006902060184
rcx            0x7f55fa0a9067    140007243944039
rdx            0x13    19
rsi            0xb32    2866
rdi            0x764    1892
rbp            0x7f55e09d5c80    0x7f55e09d5c80
rsp            0x7f55e09d5c40    0x7f55e09d5c40
r8             0xffffffff    4294967295
r9             0x22589a    2250906
r10            0x7f55e09d59a0    140006817356192
r11            0x202    514
r12            0x1031e62c0    4347290304
r13            0x1030ef930    4346280240
r14            0x493e0    300000
r15            0x28    40
rip            0x7f55e31e1e57    0x7f55e31e1e57
eflags         0x202    [ IF ]
cs             0x33    51
ss             0x2b    43
ds             0x0    0
es             0x0    0
fs             0x0    0
gs             0x0    0