5.2-RC ataraid woes

Hi,

This is exactly the same problem I see with my system.  Promise
PDC20267 is causing these "READ_DMA recovered from missing interrupt"
-problems but only on secondary channel.  Please try to run
atacontrol pio4 3 if your problem goes away.  This could finally prove
that something s*cks on Promise chip or code for it.

  Tomppa

Hendrik Scholz writes:
 > Hi!
 > 
 > I'm running an Intel SE7500CW2 board (Dual Xeon 2.4 w/ ht and 4GB RAM).
 > It has an on-board Promise PDC20267 UDMA Raid controller that
 > recognizes a mirror set and finds both disks but looses the second one
 > at boot:
 > 
 > ...
 > FreeBSD 5.2-RC #0: Mon Dec 22 10:20:12 EST 2003
 >     hscholz_at_cave.wormulon.net:/usr/src/sys/i386/compile/CAVE
 > ...
 > atapci0: <Promise PDC20267 UDMA100 controller> port 0x8480-0x84bf,0x84c0-0x84c3,
 > 0x84c8-0x84cf,0x84c4-0x84c7,0x84d0-0x84d7 mem 0xfc340000-0xfc35ffff irq 22 at de
 > vice 6.0 on pci4
 > atapci0: [MPSAFE]
 > ata2: at 0x84d0 on atapci0
 > ata2: [MPSAFE]
 > ata3: at 0x84c8 on atapci0
 > ata3: [MPSAFE]
 > isab0: <PCI-ISA bridge> at device 31.0 on pci0
 > isa0: <ISA bus> on isab0
 > atapci1: <Intel ICH3 UDMA100 controller> port 0x7040-0x704f,0-0x3,0-0x7,0-0x3,0-
 > 0x7 at device 31.1 on pci0
 > ata0: at 0x1f0 irq 14 on atapci1
 > ata0: [MPSAFE]
 > ata1: at 0x170 irq 15 on atapci1
 > ata1: [MPSAFE]
 > ...
 > ata0-master: DMA limited to UDMA33, non-ATA66 cable or device
 > GEOM: create disk ad0 dp=0xcb1a8360
 > ad0: 156334MB <Maxtor 4G160J8> [317632/16/63] at ata0-master UDMA33
 > acd0: CDROM <CD-224E> at ata1-master PIO4
 > GEOM: create disk ad4 dp=0xcb1a7a60
 > ad4: 156334MB <Maxtor 4G160J8> [317632/16/63] at ata2-master UDMA100
 > GEOM: create disk ad6 dp=0xcb1a7860
 > ad6: 156334MB <Maxtor 4G160J8> [317632/16/63] at ata3-master UDMA100
 > ad6: WARNING - READ_DMA recovered from missing interrupt
 > ar0: WARNING - mirror lost
 > GEOM: create disk ar0 dp=0xcae399e0
 > ar0: 156334MB <ATA RAID1 array> [19929/255/63] status: DEGRADED subdisks:
 >  disk0 READY on ad4 at ata2-master
 >  disk1 DOWN no device found for this disk
 > SMP: AP CPU #1 Launched!
 > SMP: AP CPU #3 Launched!
 > SMP: AP CPU #2 Launched!
 > ad6: WARNING - READ_DMA recovered from missing interrupt
 > 
 > ad0 is connected to the on-board controller that only supports UDMA33 so
 > that is no problem.
 > 
 > The problem is the raid:
 > [0.04] root_at_cave:~ > atacontrol status ar0
 > ar0: ATA RAID1 subdisks: ad4 DOWN status: DEGRADED
 > [0.03] root_at_cave:~ > atacontrol list
 > ATA channel 0:
 >     Master:  ad0 <Maxtor 4G160J8/GAK81CK0> ATA/ATAPI rev 6
 >     Slave:       no device present
 > ATA channel 1:
 >     Master: acd0 <CD-224E/2.9B> ATA/ATAPI rev 4
 >     Slave:       no device present
 > ATA channel 2:
 >     Master:  ad4 <Maxtor 4G160J8/GAK819K0> ATA/ATAPI rev 6
 >     Slave:       no device present
 > ATA channel 3:
 >     Master:  ad6 <Maxtor 4G160J8/GAK819K0> ATA/ATAPI rev 6
 >     Slave:       no device present
 > [0.03] root_at_cave:~ > 
 > 
 > Using atacontrol detach und attach I can rescan channel 3 but the drive
 > automatically reports the same error and thus the mirror is not rebuild.
 > 
 > The same behaviour (but due to missing ATAng with different messages) can
 > be observed on 5.1-RELEASE.
 > 
 > Hendrik
 > 
 > -- 
 > Hendrik Scholz - <hscholz_at_raisdorf.net> - http://raisdorf.net/
 > cell phone: 404-606-5324 (US) 0160-1570-272 (DE)
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