kern/161248: [ahci] Time out, extremly slow response while copying large files

[Julien Cigar]

The following reply was made to PR kern/161248; it has been noted by GNATS.

From: Julien Cigar <jcigar at ulb.ac.be>
To: bug-followup at FreeBSD.org, kalten at gmx.at
Cc:  
Subject: Re: kern/161248: [ahci] Time out, extremly slow response while copying
 large files
Date: Tue, 06 Dec 2011 10:02:56 +0100

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 Same problem here (on 9.0-RC1) on a HP microserver (N40L):
 
 ahcich3: Timeout on slot 5 port 0
 ahcich3: is 00000000 cs 00000020 ss 00000020 rs 00000020 tfd c0 serr 
 00000000 cmd 0000e517
 ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
 ahcich3: Timeout on slot 5 port 0
 ahcich3: is 00000000 cs 00000020 ss 00000000 rs 00000020 tfd 00 serr 
 00000000 cmd 0000e517
 ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
 ahcich3: Timeout on slot 5 port 0
 ahcich3: is 00000000 cs 00000020 ss 00000000 rs 00000020 tfd 00 serr 
 00000000 cmd 0000e517
 (ada3:ahcich3:0:0:0): lost device
 ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
 ahcich3: Timeout on slot 5 port 0
 ahcich3: is 00000000 cs 00000020 ss 00000020 rs 00000020 tfd 00 serr 
 00000000 cmd 0000e517
 GEOM_RAID3: Cannot write metadata on ada3 (device=backup, error=5).
 GEOM_RAID3: Cannot update metadata on disk ada3 (error=5).
 GEOM_RAID3: Cannot update metadata on disk ada3 (error=6).
 GEOM_RAID3: Device backup: provider ada3 disconnected.
 (ada3:ahcich3:0:0:0): removing device entry
 ahcich3: AHCI reset: device not ready after 31000ms (tfd = 00000080)
 ahcich3: Poll timeout on slot 5 port 0
 ahcich3: is 00000000 cs 00000020 ss 00000000 rs 00000020 tfd 00 serr 
 00000000 cmd 0000e517
 
 The controller is:
 ahci0 at pci0:0:17:0:      class=0x010601 card=0x1609103c chip=0x43911002 
 rev=0x40 hdr=0x00
      vendor     = 'ATI Technologies Inc'
      device     = 'SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode]'
      class      = mass storage
      subclass   = SATA
 
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