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Oracle Linux: Message "Ramping down queue depth to 16" in the System Log File (Doc ID 2005468.1)

Last updated on AUGUST 20, 2018

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [2.6.39] and later
Linux x86-64

Goal

 The below messages are observed continuously in the server system log:

Apr 11 00:10:41 server kernel: qla2xxx [0000:41:00.0]-3031:7: 7:2:27: Ramping down queue depth to 16qla2xxx [0000:41:00.0]-3031:7: 7:2:28: Ramping down queue depth to 16
Apr 11 00:10:41 server kernel: qla2xxx [0000:41:00.0]-3031:7: 7:2:29: Ramping down queue depth to 16qla2xxx [0000:41:00.0]-3031:7: 7:2:30: Ramping down queue depth to 16
Apr 11 00:10:41 server kernel: qla2xxx [0000:41:00.0]-3031:7: 7:2:31: Ramping down queue depth to 16qla2xxx [0000:41:00.0]-3031:7: 7:2:32: Ramping down queue depth to 16
Apr 11 00:10:41 server kernel: qla2xxx [0000:41:00.0]-3031:7: 7:2:33: Ramping down queue depth to 16qla2xxx [0000:41:00.0]-3031:7: 7:2:34: Ramping down queue depth to 16
Apr 11 00:10:41 server kernel: ------------[ cut here ]------------
Apr 11 00:10:41 server kernel: WARNING: at kernel/watchdog.c:246 watchdog_overflow_callback+0x98/0xc0()
Apr 11 00:10:41 server kernel: Hardware name: PowerEdge R620
Apr 11 00:10:41 server kernel: Watchdog detected hard LOCKUP on cpu 1Modules linked in: ipmi_si vfat fat usb_storage mpt3sas mpt2sas scsi_transport_sas raid_class mptctl mptbase ipmi_devintf ipmi_msghandler dell_rbu autofs4 nfsv4 auth_rpcgss nfs fscache lockd sunrpc bonding ipv6 xfs libcrc32c dm_round_robin scsi_dh_alua dm_multipath coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel iTCO_wdt iTCO_vendor_support dcdbas microcode pcspkr qla2xxx scsi_transport_fc scsi_tgt shpchp sg lpc_ich mfd_core igb i2c_algo_bit i2c_core ixgbe hwmon dca ext4 jbd2 mbcache sr_mod cdrom sd_mod crc_t10dif aesni_intel ablk_helper cryptd lrw aes_x86_64 xts gf128mul ahci libahci wmi megaraid_sas dm_mirror dm_region_hash dm_log dm_mod [last unloaded: ipmi_si]

Solution

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In this Document
Goal
Solution
References


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