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Message-ID: <29a863790710101217g607b5425g6a3374c2be1d75a5@mail.gmail.com>
Date: Wed, 10 Oct 2007 15:17:19 -0400
From: "Greg Cormier" <gcormier@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Re: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
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I'd like to hop in on this, and add my similar problem. This is my
first post so please excuse me if I'm doing something wrong.

I've been having issues recently (couple of weeks?) with my server. I
have three WD5000YS (500gb) drives in RAID5, on an Asus A8N
motherboard which is nForce 4. I've even RMA'd one of the drives, but
now I'm thinking the drives are fine.

The drive seems to have issues under heavy to moderate IO. I unmounted
my raid, and forced an e2fsck. e2fsck didn't even print anything out,
I got this.

Oct 10 14:50:40 zeus kernel: ata3: EH in ADMA mode, notifier 0x0
notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0
next cpb idx 0x0
Oct 10 14:50:40 zeus kernel: ata3: CPB 0: ctl_flags 0x1f, resp_flags 0x2
Oct 10 14:50:40 zeus kernel: ata3: timeout waiting for ADMA IDLE, stat=0x400
Oct 10 14:50:40 zeus kernel: ata3: timeout waiting for ADMA LEGACY, stat=0x400
Oct 10 14:50:40 zeus kernel: ata3.00: exception Emask 0x0 SAct 0x1
SErr 0x1c00000 action 0x2 frozen
Oct 10 14:50:40 zeus kernel: ata3.00: cmd
61/08:00:bf:4b:38/00:00:3a:00:00/40 tag 0 cdb 0x0 data 4096 out
Oct 10 14:50:40 zeus kernel:          res
40/00:f2:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Oct 10 14:50:40 zeus kernel: ata3: soft resetting port
Oct 10 14:50:40 zeus kernel: ata3: SATA link up 3.0 Gbps (SStatus 123
SControl 300)
Oct 10 14:50:40 zeus kernel: ata3.00: configured for UDMA/133
Oct 10 14:50:40 zeus kernel: ata3: EH complete
Oct 10 14:50:40 zeus kernel: sd 2:0:0:0: [sdb] 976773168 512-byte
hardware sectors (500108 MB)
Oct 10 14:50:40 zeus kernel: sd 2:0:0:0: [sdb] Write Protect is off
Oct 10 14:50:40 zeus kernel: sd 2:0:0:0: [sdb] Write cache: enabled,
read cache: enabled, doesn't support DPO or FUA
Oct 10 14:51:40 zeus kernel: ata3: EH in ADMA mode, notifier 0x0
notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0
next cpb idx 0x0
Oct 10 14:51:40 zeus kernel: ata3: CPB 0: ctl_flags 0x1f, resp_flags 0x2
Oct 10 14:51:40 zeus kernel: ata3: timeout waiting for ADMA IDLE, stat=0x400
Oct 10 14:51:40 zeus kernel: ata3: timeout waiting for ADMA LEGACY, stat=0x400
Oct 10 14:51:40 zeus kernel: ata3.00: exception Emask 0x0 SAct 0x1
SErr 0x400000 action 0x2 frozen
Oct 10 14:51:40 zeus kernel: ata3.00: cmd
61/08:00:bf:4b:38/00:00:3a:00:00/40 tag 0 cdb 0x0 data 4096 out
Oct 10 14:51:40 zeus kernel:          res
40/00:f2:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Oct 10 14:51:41 zeus kernel: ata3: soft resetting port
Oct 10 14:51:41 zeus kernel: ata3: SATA link up 3.0 Gbps (SStatus 123
SControl 300)
Oct 10 14:51:41 zeus kernel: ata3.00: configured for UDMA/133
Oct 10 14:51:41 zeus kernel: ata3: EH complete
Oct 10 14:51:41 zeus kernel: sd 2:0:0:0: [sdb] 976773168 512-byte
hardware sectors (500108 MB)
Oct 10 14:51:41 zeus kernel: sd 2:0:0:0: [sdb] Write Protect is off
Oct 10 14:51:41 zeus kernel: sd 2:0:0:0: [sdb] Write cache: enabled,
read cache: enabled, doesn't support DPO or FUA
Oct 10 14:52:19 zeus kernel: device eth0 left promiscuous mode
Oct 10 14:52:41 zeus kernel: ata3: EH in ADMA mode, notifier 0x0
notifier_error 0x0 gen_ctl 0x1501000 status 0x400 next cpb count 0x0
next cpb idx 0x0
Oct 10 14:52:41 zeus kernel: ata3: CPB 0: ctl_flags 0x1f, resp_flags 0x2
Oct 10 14:52:41 zeus kernel: ata3: timeout waiting for ADMA IDLE, stat=0x400
Oct 10 14:52:41 zeus kernel: ata3: timeout waiting for ADMA LEGACY, stat=0x400
Oct 10 14:52:41 zeus kernel: ata3.00: exception Emask 0x0 SAct 0x1
SErr 0x400000 action 0x2 frozen
Oct 10 14:52:41 zeus kernel: ata3.00: cmd
61/08:00:bf:4b:38/00:00:3a:00:00/40 tag 0 cdb 0x0 data 4096 out
Oct 10 14:52:41 zeus kernel:          res
40/00:f2:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout)
Oct 10 14:52:41 zeus kernel: ata3: soft resetting port
Oct 10 14:52:42 zeus kernel: ata3: SATA link up 3.0 Gbps (SStatus 123
SControl 300)
Oct 10 14:52:42 zeus kernel: ata3.00: configured for UDMA/133
Oct 10 14:52:42 zeus kernel: ata3: EH complete
Oct 10 14:52:42 zeus kernel: sd 2:0:0:0: [sdb] 976773168 512-byte
hardware sectors (500108 MB)
Oct 10 14:52:42 zeus kernel: sd 2:0:0:0: [sdb] Write Protect is off
Oct 10 14:52:42 zeus kernel: sd 2:0:0:0: [sdb] Write cache: enabled,
read cache: enabled, doesn't support DPO or FUA

These errors have been happening on various .22 kernels, and this
message is from the hot-off-the-press .23 kernel. This message is
followed by a hard freeze.

I'm in the process of figuring out why netconsole isn't quite working,
so hopefully I can provide more information soon. The server is
currently frozen, when I get home I can perhaps provide more
information? lspci?

Looks like another rebuild of the array when I get home.


Thanks,
Greg
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