assertion failure in libata-core

From: Bram Stolk
Date: Fri Oct 28 2005 - 05:44:53 EST


Hi,


When enabling atapi, I got the following assertion failure:

Assertion failed! qc->flags &
ATA_QCFLAG_ACTIVE,drivers/scsi/libata-core.c,ata_qc_complete,line=3232

This is when booting my 2.6.14-rc5 kernel with two sata devices:
a maxtor hd, and a plextor dvd writer.

Bram
-------------------------------------
Some context for the failure:

ata1: SATA max UDMA/133 cmd 0xF8806100 ctl 0x0 bmdma 0x0 irq 19
ata2: SATA max UDMA/133 cmd 0xF8806180 ctl 0x0 bmdma 0x0 irq 19
ata3: SATA max UDMA/133 cmd 0xF8806200 ctl 0x0 bmdma 0x0 irq 19
ata4: SATA max UDMA/133 cmd 0xF8806280 ctl 0x0 bmdma 0x0 irq 19
ata1: dev 0 cfg 49:0f00 82:0000 83:0000 84:0000 85:0000 86:0000 87:0000 88:001f
ata1: dev 0 ATAPI, max UDMA/66
ata1(0): applying bridge limits
ata1: dev 0 configured for UDMA/66
scsi0 : ahci
ata2: no device found (phy stat 00000000)
scsi1 : ahci
ata3: dev 0 cfg 49:2f00 82:7c6b 83:7f09 84:4063 85:7c69 86:3e01 87:4063 88:007f
ata3: dev 0 ATA, max UDMA/133, 490234752 sectors: lba48
ata3: dev 0 configured for UDMA/133
scsi2 : ahci
ata4: no device found (phy stat 00000000)
scsi3 : ahci
Vendor: PLEXTOR Model: DVDR PX-716A Rev: 1.07
Type: CD-ROM ANSI SCSI revision: 05
ata1: error occurred, port reset
ata1: error occurred, port reset
Assertion failed! qc->flags &
ATA_QCFLAG_ACTIVE,drivers/scsi/libata-core.c,ata_qc_complete,line=3232
0:0:0:0: timing out command, waited 18s
0:0:0:0: timing out command, waited 18s
Vendor: ATA Model: Maxtor 6L250S0 Rev: BANC
Type: Direct-Access ANSI SCSI revision: 05
SCSI device sda: 490234752 512-byte hdwr sectors (251000 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 490234752 512-byte hdwr sectors (251000 MB)
SCSI device sda: drive cache: write back
sda: sda1 sda2 < sda5 > sda3
Attached scsi disk sda at scsi2, channel 0, id 0, lun 0
sr 0:0:0:0: timing out command, waited 90s
sr 0:0:0:0: timing out command, waited 90s
sr 0:0:0:0: timing out command, waited 90s
sr 0:0:0:0: timing out command, waited 90s
sr 0:0:0:0: timing out command, waited 90s
sr 0:0:0:0: timing out command, waited 90s
sr0: scsi-1 drive
Uniform CD-ROM driver Revision: 3.20
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 0, lun 0
Attached scsi generic sg0 at scsi0, channel 0, id 0, lun 0, type 5
Attached scsi generic sg1 at scsi2, channel 0, id 0, lun 0, type 0


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