Gabor Gombas wrote: > Hi, > > Since I have upgraded to 2.6.22.1 from 2.6.20 I have problems with > Samsung disks. Sometimes the disks stall for about half a minute and > then I have these messages in the logs: > > Aug 6 20:10:11 twister kernel: ata7: EH in ADMA mode, notifier 0x0 > notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0 next cpb > idx 0x0 > Aug 6 20:10:12 twister kernel: ata7: CPB 0: ctl_flags 0x9, resp_flags 0x0 > Aug 6 20:10:12 twister kernel: ata7: timeout waiting for ADMA IDLE, > stat=0x400 > Aug 6 20:10:12 twister kernel: ata7: timeout waiting for ADMA LEGACY, > stat=0x400 > Aug 6 20:10:12 twister kernel: ata7.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x2 frozen > Aug 6 20:10:12 twister kernel: ata7.00: cmd > ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0 > Aug 6 20:10:12 twister kernel: res > 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) > Aug 6 20:10:12 twister kernel: ata7: soft resetting port > Aug 6 20:10:12 twister kernel: ata7: SATA link up 3.0 Gbps (SStatus 123 > SControl 300) > Aug 6 20:10:12 twister kernel: ata7.00: configured for UDMA/133 > Aug 6 20:10:12 twister kernel: ata7: EH complete > Aug 6 20:10:12 twister kernel: sd 6:0:0:0: [sdc] 488397168 512-byte hardware > sectors (250059 MB) > Aug 6 20:10:12 twister kernel: sd 6:0:0:0: [sdc] Write Protect is off > Aug 6 20:10:12 twister kernel: sd 6:0:0:0: [sdc] Mode Sense: 00 3a 00 00 > Aug 6 20:10:12 twister kernel: sd 6:0:0:0: [sdc] Write cache: enabled, read > cache: enabled, doesn't support DPO or FUA > Aug 6 20:20:25 twister kernel: ata8: EH in ADMA mode, notifier 0x0 > notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0 next cpb > idx 0x0 > Aug 6 20:20:25 twister kernel: ata8: CPB 0: ctl_flags 0x9, resp_flags 0x0 > Aug 6 20:20:25 twister kernel: ata8: timeout waiting for ADMA IDLE, > stat=0x400 > Aug 6 20:20:25 twister kernel: ata8: timeout waiting for ADMA LEGACY, > stat=0x400 > Aug 6 20:20:25 twister kernel: ata8.00: exception Emask 0x0 SAct 0x0 SErr > 0x0 action 0x2 frozen > Aug 6 20:20:25 twister kernel: ata8.00: cmd > ea/00:00:00:00:00/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0 > Aug 6 20:20:25 twister kernel: res > 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout) > Aug 6 20:20:25 twister kernel: ata8: soft resetting port > Aug 6 20:20:25 twister kernel: ata8: SATA link up 3.0 Gbps (SStatus 123 > SControl 300) > Aug 6 20:20:25 twister kernel: ata8.00: configured for UDMA/133 > Aug 6 20:20:25 twister kernel: ata8: EH complete > Aug 6 20:20:25 twister kernel: sd 7:0:0:0: [sdd] 488397168 512-byte hardware > sectors (250059 MB) > Aug 6 20:20:25 twister kernel: sd 7:0:0:0: [sdd] Write Protect is off > Aug 6 20:20:25 twister kernel: sd 7:0:0:0: [sdd] Mode Sense: 00 3a 00 00 > Aug 6 20:20:25 twister kernel: sd 7:0:0:0: [sdd] Write cache: enabled, read > cache: enabled, doesn't support DPO or FUA > > I also have two Maxtor disks on the same controller but they are working > correctly in ADMA mode. I now disabled ADMA mode and that seems to help.
Hmmm... That's timeout on cache flush, indicative of failing disk. Please post the result of 'smartctl -a /dev/sdc'. -- tejun - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
