>>>> I just spent the better part of last night tracking down the specific >>>> sources of the log entry I get when I disconnect my e-sata drive; once >>>> it disconnects, the port is dead until I reboot; no combination of >>>> anything I've been able to poke at in /sys or elsewhere gets it live >>>> again. This starts with 3.3rc1, and turns out to still work fine in >>>> 3.2.1. Any chance it's related? >>>> >>>> 3.3rc5, immediately after the unplug: >>> >>> I tested on my machine and it's fixed by below patch. >>> http://marc.info/?l=linux-kernel&m=132996405028746&w=2 >>> >>> Would you please also try it? >> >> Building it now, and will be able to test in about 5 hours. > > Hi, > > How about the test result? Sorry about the delay. Just verified, that patch does fix the problem: *disconnect drive* [ 80.474026] ata5: exception Emask 0x50 SAct 0x0 SErr 0x4090800 action 0xe frozen [ 80.474041] ata5: irq_stat 0x00400040, connection status changed [ 80.474057] ata5: SError: { HostInt PHYRdyChg 10B8B DevExch } [ 80.474064] ata5: hard resetting link [ 81.197080] ata5: SATA link down (SStatus 0 SControl 300) [ 86.197028] ata5: hard resetting link [ 86.502021] ata5: SATA link down (SStatus 0 SControl 300) [ 86.502039] ata5: limiting SATA link speed to 1.5 Gbps [ 91.502018] ata5: hard resetting link [ 91.807032] ata5: SATA link down (SStatus 0 SControl 310) [ 91.807050] ata5.00: disabled [ 91.807069] ata5: EH complete [ 91.807095] ata5.00: detaching (SCSI 4:0:0:0) [ 91.808988] sd 4:0:0:0: [sde] Synchronizing SCSI cache [ 91.810288] sd 4:0:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 91.810305] sd 4:0:0:0: [sde] Stopping disk [ 91.810318] sd 4:0:0:0: [sde] START_STOP FAILED [ 91.810333] sd 4:0:0:0: [sde] Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK [ 106.507666] ata5: exception Emask 0x10 SAct 0x0 SErr 0x4040000 action 0xe frozen [ 106.507683] ata5: irq_stat 0x00000040, connection status changed [ 106.507703] ata5: SError: { CommWake DevExch } [ 106.507710] ata5: limiting SATA link speed to 1.5 Gbps [ 106.507715] ata5: hard resetting link *reconnect drive* [ 107.386022] ata5: SATA link up 1.5 Gbps (SStatus 113 SControl 310) [ 107.387979] ata5.00: ATA-8: WDC WD10EARS-00Y5B1, 80.00A80, max UDMA/133 [ 107.387985] ata5.00: 1953525168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA [ 107.389253] ata5.00: configured for UDMA/133 [ 107.389264] ata5: EH complete [ 107.389375] scsi 4:0:0:0: Direct-Access ATA WDC WD10EARS-00Y 80.0 PQ: 0 ANSI: 5 [ 107.389551] sd 4:0:0:0: [sde] 1953525168 512-byte logical blocks: (1.00 TB/931 GiB) [ 107.389613] sd 4:0:0:0: [sde] Write Protect is off [ 107.389619] sd 4:0:0:0: [sde] Mode Sense: 00 3a 00 00 [ 107.389651] sd 4:0:0:0: [sde] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA [ 107.389667] sd 4:0:0:0: Attached scsi generic sg4 type 0 [ 107.803230] sde: unknown partition table [ 107.803550] sd 4:0:0:0: [sde] Attached SCSI disk *rejoicing* Thanks. --Carey -- 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