2018-03-13 15:35 GMT+01:00 Roger Heflin <rogerheflin@xxxxxxxxx>: > Downgrade back to 4.14. You are lucky if your machines gets up before > you hit it. Mine only makes it through systemd 1 out of 3 times and > when it does get up it then locks up on one the devices within an hour > or less. > > The basics are the bug has the lockup if error handling has to be > used. I have a couple of disk that act up sometimes and when that > hits it locks up those devices. > > https://bugzilla.kernel.org/show_bug.cgi?id=198861 > https://bugzilla.redhat.com/show_bug.cgi?id=1552124 > Thanks Roger, looks Greg already queued the fix 3be8828fc507 in his stable-queue for 4.14.27 and 4.15.10 So we can expect the fix soon. Cheers, Jack > > On Tue, Mar 13, 2018 at 4:09 AM, 王金浦 <jinpuwang@xxxxxxxxx> wrote: >> 2018-03-13 2:52 GMT+01:00 David C. Rankin <drankinatty@xxxxxxxxxxxxxxxxxx>: >>> All, >>> >>> I have experienced 2 hardlocks on two separate multi-cpu servers in the past >>> 24 hours after updating to 4.15.8. I do not know where the issue lies. One >>> lockup occurred during a simple rsync from another box on the lan. >>> >>> Both boxes have exhibited strange behavior regarding the linux-raid array >>> (all disks are fine), but I receive spurious errors like (Out of IOMMU space), >>> Huh? If this were related to one box, then I would suspect I had a flaky disk >>> or cable, but same errors on both boxes -- something is fishy. Both are >>> Archlinux servers, but SuperMicro boards with either 2 or 4 quad-core Opteron >>> processors. The Out of IOMMU space shows up in the journal as: >>> >>> Mar 12 19:45:20 valhalla su[869]: pam_unix(su:session): session opened for >>> user root by david(uid=1000) >>> Mar 12 19:45:57 valhalla kernel: sata_nv 0000:00:05.0: PCI-DMA: Out of IOMMU >>> space for 65536 bytes >>> Mar 12 19:45:57 valhalla kernel: ata3: EH in SWNCQ mode,QC:qc_active 0x4 >>> sactive 0x4 >>> Mar 12 19:45:57 valhalla kernel: ata3: SWNCQ:qc_active 0x0 defer_bits 0x0 >>> last_issue_tag 0x1 DHFIS 0X0 DMAFIS 0X0 SDBFIS 0X0 >>> Mar 12 19:45:57 valhalla kernel: ata3: ATA_REG 0x40 ERR_REG 0x0 >>> Mar 12 19:45:57 valhalla kernel: ata3: tag : dhfis dmafis sdbfis sactive >>> Mar 12 19:45:57 valhalla kernel: ata3.00: exception Emask 0x0 SAct 0x4 SErr >>> 0x0 action 0x6 >>> Mar 12 19:45:57 valhalla kernel: ata3.00: failed command: WRITE FPDMA QUEUED >>> Mar 12 19:45:57 valhalla kernel: ata3.00: cmd >>> 61/00:10:00:d0:e4/0a:00:0f:00:00/40 tag 2 ncq dma 1310720 ou res >>> 40/00:20:00:ea:e3/00:00:0f:00:00/40 Emask 0x40 (internal error) >>> Mar 12 19:45:57 valhalla kernel: ata3.00: status: { DRDY } >>> Mar 12 19:45:57 valhalla kernel: ata3: hard resetting link >>> Mar 12 19:45:57 valhalla kernel: ata3: nv: skipping hardreset on occupied port >>> Mar 12 19:45:58 valhalla kernel: ata3: SATA link up 1.5 GBPS (SSTATUS 113 >>> SCONTROL 300) >>> Mar 12 19:45:58 valhalla kernel: ata3.00: configured for UDMA/133 >>> Mar 12 19:45:58 valhalla kernel: ata3: EH complete >>> Mar 12 19:46:09 valhalla kernel: sata_nv 0000:00:05.1: PCI-DMA: Out of IOMMU >>> space for 65536 bytes >>> Mar 12 19:46:09 valhalla kernel: ata5: EH in SWNCQ mode,QC:qc_active 0x4 >>> sactive 0x4 >>> Mar 12 19:46:09 valhalla kernel: ata5: SWNCQ:qc_active 0x0 defer_bits 0x0 >>> last_issue_tag 0x1 dhfis 0x0 dmafis 0x0 sdbfis 0x0 >>> Mar 12 19:46:09 valhalla kernel: ata5: ATA_REG 0x40 ERR_REG 0x0 >>> Mar 12 19:46:09 valhalla kernel: ata5: tag : dhfis dmafis sdbfis sactive >>> Mar 12 19:46:09 valhalla kernel: ata5.00: exception Emask 0x0 SAct 0x4 SErr >>> 0x0 action 0x6 >>> Mar 12 19:46:09 valhalla kernel: ata5.00: failed command: WRITE FPDMA QUEUED >>> Mar 12 19:46:09 valhalla kernel: ata5.00: cmd >>> 61/00:10:00:c0:f8/0a:00:0f:00:00/40 tag 2 ncq dma 1310720 ou res >>> 40/00:20:00:da:f7/00:00:0f:00:00/40 Emask 0x40 (internal error) >>> Mar 12 19:46:09 valhalla kernel: ata5.00: status: { DRDY } >>> Mar 12 19:46:09 valhalla kernel: ata5: hard resetting link >>> Mar 12 19:46:09 valhalla kernel: ata5: nv: skipping hardreset on occupied port >>> Mar 12 19:46:10 valhalla kernel: ata5: SATA link up 1.5 Gbps (SStatus 113 >>> SControl 300) >>> Mar 12 19:46:10 valhalla kernel: ata5.00: configured for UDMA/133 >>> Mar 12 19:46:10 valhalla kernel: ata5: EH complete >>> >>> I'm just taking a shot in the dark here and don't know whether the basis is >>> a mdadm issue, or something new in the latest kernel. Any deciphering guidance >>> would be appreciated. >>> >>> -- >>> David C. Rankin, J.D.,P.E. >> Hi, David >> >> Looks more like libata related, +cc to linux-ide. >> Do you know which kernel works for you, have you tried latest >> upstream? so it's easier to narrow it down. >> >> Regards, >> Jack >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-raid" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html