This is the most I can get when plugging in a hard drive hot and only on some power connectors.
[71656.314271] ata5: exception Emask 0x50 SAct 0x0 SErr 0x90a02 action 0xe frozen
[71656.314277] ata5: irq_stat 0x00400000, PHY RDY changed
[71656.314285] ata5: SError: { RecovComm Persist HostInt PHYRdyChg 10B8B }
[71656.314294] ata5: hard resetting link
[71660.360686] ata5: softreset failed (device not ready)
[71660.360694] ata5: applying SB600 PMP SRST workaround and retrying
[71660.532709] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[71660.535388] ata5.00: configured for UDMA/133
[71660.535398] ata5: EH complete
[71740.781179] ata5: exception Emask 0x10 SAct 0x0 SErr 0x90202 action 0xe frozen
[71740.781186] ata5: irq_stat 0x00400000, PHY RDY changed
[71740.781192] ata5: SError: { RecovComm Persist PHYRdyChg 10B8B }
[71740.781202] ata5: hard resetting link
[71744.833991] ata5: softreset failed (device not ready)
[71744.833998] ata5: applying SB600 PMP SRST workaround and retrying
[71745.012046] ata5: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[71745.014726] ata5.00: configured for UDMA/133
[71745.014736] ata5: EH complete
powersupply, motherboard, ahci, plugging, connectors, ata, exception, emask, sact, serr, xe, irq_stat, phy, rdy, serror, recovcomm, persist, hostint, phyrdychg, resetting, softreset, applying, sb, pmp, srst, workaround, retrying, sata, gbps, sstatus, scontrol, configured, udma,