Hi Leon, Can you please check p2020rdb.dts for IDSEL entries for pci0/1 node? In order to work in legacy mode, IDSEL entries are required. --Prabhakar > -----Original Message----- > From: linux-ide-owner@xxxxxxxxxxxxxxx [mailto:linux-ide- > owner@xxxxxxxxxxxxxxx] On Behalf Of Leon Woestenberg > Sent: Thursday, April 07, 2011 12:20 AM > To: Jeff Garzik > Cc: Moffett, Kyle D; Linux PPC; linux-ide@xxxxxxxxxxxxxxx; Tejun Heo > Subject: Re: known working sata_sil24.c setup on powerpc platforms? > > Hello Jeff, all, > > On Wed, Apr 6, 2011 at 8:12 PM, Jeff Garzik <jeff@xxxxxxxxxx> wrote: > > On 04/06/2011 01:48 PM, Moffett, Kyle D wrote: > >> On Apr 06, 2011, at 13:00, Leon Woestenberg wrote: > >>> after investigating problems with sata_sil24.c on a freescale p2020 > >>> soc, I wonder if this driver works on powerpc at all? > >>> > >>> Does anyone know of a working setup of sata_sil24 on a big endian > >>> powerpc system? > >> > >> Our P2020 boards work fine with legacy PCI interrupts (I think it's a > >> sil3124 over PCI-E); the only deficiency is that MSI does not seem to > work. > >> > > > > We've definitely had issues with sata_sil24 + MSI, also... > > > > sata_sil24 does work on big endian in general. > > > > On my system, I have the contrary to Kyle's experience (thanks for > sharing). > > PowerPC P2020RDB > vanilla 2.6.38 > Sil3132 on mini-PCI Express card > > > Enabling msi gets me further than disabling it (default). > > modprobe sata_sil > > [ 8.834613] sata_sil24 0001:03:00.0: version 1.1 > [ 8.885581] scsi0 : sata_sil24 > [ 8.901420] scsi1 : sata_sil24 > [ 8.904642] ata1: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0004000 irq 16 > [ 8.911961] ata2: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0006000 irq 16 > [ 11.095127] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 0) > [ 14.906986] eth0: no IPv6 routers present > [ 16.099016] ata1.00: qc timeout (cmd 0xec) > [ 16.103128] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 18.299050] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 0) > [ 28.303026] ata1.00: qc timeout (cmd 0xec) > [ 28.307139] ata1.00: failed to IDENTIFY (I/O error, err_mask=0x4) > [ 28.313233] ata1: limiting SATA link speed to 1.5 Gbps > [ 30.523059] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 10) > > > modprobe sata_sil msi=1 > > [ 92.984120] sata_sil24 0001:03:00.0: version 1.1 > [ 92.988897] irq: irq 0 on host /soc@ffe00000/msi@41600 mapped to > virtual irq 41 > [ 92.996229] sata_sil24 0001:03:00.0: Using MSI > [ 93.000675] sata_sil24 0001:03:00.0: enabling bus mastering > [ 93.011628] scsi2 : sata_sil24 > [ 93.022463] scsi3 : sata_sil24 > [ 93.025695] ata3: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0004000 irq 41 > [ 93.033023] ata4: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0006000 irq 41 > [ 95.203029] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 0) > [ 95.209045] ata3: spurious interrupt (slot_stat 0x0 active_tag > -84148995 sactive 0x0) > [ 95.217171] ata3.00: ATA-7: INTEL SSDSA2M080G2GN, 2CV102HD, max > UDMA/133 > [ 95.223882] ata3.00: 156301488 sectors, multi 1: LBA48 NCQ (depth > 31/32) > [ 95.230905] ata3.00: configured for UDMA/100 > [ 95.235399] scsi 2:0:0:0: Direct-Access ATA INTEL > SSDSA2M080 2CV1 PQ: 0 ANSI: 5 > [ 95.244002] sd 2:0:0:0: Attached scsi generic sg0 type 0 > [ 95.252041] sd 2:0:0:0: [sda] 156301488 512-byte logical blocks: > (80.0 GB/74.5 GiB) > [ 95.260219] sd 2:0:0:0: [sda] Write Protect is off > [ 95.265063] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00 > [ 95.270500] sd 2:0:0:0: [sda] Write cache: enabled, read cache: > enabled, doesn't support DPO or FUA > [ 95.283779] sda: sda1 sda2 sda3 sda4 > [ 95.289482] sd 2:0:0:0: [sda] Attached SCSI disk > [ 95.965897] EXT3-fs: barriers not enabled > [ 95.977279] kjournald starting. Commit interval 5 seconds > [ 95.983296] EXT3-fs (sda2): using internal journal > [ 95.988143] EXT3-fs (sda2): recovery complete > [ 95.992504] EXT3-fs (sda2): mounted filesystem with writeback data > mode > [ 96.111587] NTFS volume version 3.1. > [ 97.331005] ata4: SATA link down (SStatus 0 SControl 0) > > root@p1020rdb:~# dd if=/dev/sda of=/dev/null bs=4k count=1000 > 1000+0 records in > 1000+0 records out > 4096000 bytes (4.1 MB) copied, 0.0315629 s, 130 MB/s root@p1020rdb:~# dd > if=/dev/sda of=/dev/null bs=4k count=10000 > 10000+0 records in > 10000+0 records out > 40960000 bytes (41 MB) copied, 0.471802 s, 86.8 MB/s > > root@p1020rdb:~# dd if=/dev/sda of=/dev/null bs=4k count=100000 > > That stalls, I see the controller fail. See dmesg below: > > ^C^Cdd: reading `/dev/sda': Input/output error > 51804+0 records in > 51804+0 records out > 212189184 bytes (212 MB) copied, 85.6537 s, 2.5 MB/s > dd: closing input file `/dev/sda': Bad file descriptor > > > [ 92.984120] sata_sil24 0001:03:00.0: version 1.1 > [ 92.988897] irq: irq 0 on host /soc@ffe00000/msi@41600 mapped to > virtual irq 41 > [ 92.996229] sata_sil24 0001:03:00.0: Using MSI > [ 93.000675] sata_sil24 0001:03:00.0: enabling bus mastering > [ 93.011628] scsi2 : sata_sil24 > [ 93.022463] scsi3 : sata_sil24 > [ 93.025695] ata3: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0004000 irq 41 > [ 93.033023] ata4: SATA max UDMA/100 host m128@0xc0000000 port > 0xc0006000 irq 41 > [ 95.203029] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 0) > [ 95.209045] ata3: spurious interrupt (slot_stat 0x0 active_tag > -84148995 sactive 0x0) > [ 95.217171] ata3.00: ATA-7: INTEL SSDSA2M080G2GN, 2CV102HD, max > UDMA/133 > [ 95.223882] ata3.00: 156301488 sectors, multi 1: LBA48 NCQ (depth > 31/32) > [ 95.230905] ata3.00: configured for UDMA/100 > [ 95.235399] scsi 2:0:0:0: Direct-Access ATA INTEL > SSDSA2M080 2CV1 PQ: 0 ANSI: 5 > [ 95.244002] sd 2:0:0:0: Attached scsi generic sg0 type 0 > [ 95.252041] sd 2:0:0:0: [sda] 156301488 512-byte logical blocks: > (80.0 GB/74.5 GiB) > [ 95.260219] sd 2:0:0:0: [sda] Write Protect is off > [ 95.265063] sd 2:0:0:0: [sda] Mode Sense: 00 3a 00 00 > [ 95.270500] sd 2:0:0:0: [sda] Write cache: enabled, read cache: > enabled, doesn't support DPO or FUA > [ 95.283779] sda: sda1 sda2 sda3 sda4 > [ 95.289482] sd 2:0:0:0: [sda] Attached SCSI disk > [ 95.965897] EXT3-fs: barriers not enabled > [ 95.977279] kjournald starting. Commit interval 5 seconds > [ 95.983296] EXT3-fs (sda2): using internal journal > [ 95.988143] EXT3-fs (sda2): recovery complete > [ 95.992504] EXT3-fs (sda2): mounted filesystem with writeback data > mode > [ 96.111587] NTFS volume version 3.1. > [ 97.331005] ata4: SATA link down (SStatus 0 SControl 0) > [ 285.891036] ata3.00: exception Emask 0x0 SAct 0x3 SErr 0x0 action 0x6 > frozen [ 285.898099] ata3.00: failed command: READ FPDMA QUEUED [ > 285.903250] ata3.00: cmd 60/00:00:e0:53:06/01:00:00:00:00/40 tag 0 ncq > 131072 in > [ 285.903255] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask > 0x4 (timeout) > [ 285.918028] ata3.00: status: { DRDY } [ 285.921689] ata3.00: failed > command: READ FPDMA QUEUED [ 285.926836] ata3.00: cmd > 60/00:08:e0:52:06/01:00:00:00:00/40 tag 1 ncq 131072 in > [ 285.926841] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask > 0x4 (timeout) > [ 285.941615] ata3.00: status: { DRDY } [ 285.945281] ata3: hard > resetting link [ 288.055034] ata3: SATA link up 3.0 Gbps (SStatus 123 > SControl 0) [ 293.058999] ata3.00: qc timeout (cmd 0xec) [ 293.063106] > ata3.00: failed to IDENTIFY (I/O error, err_mask=0x4) [ 293.069198] > ata3.00: revalidation failed (errno=-5) [ 293.074077] ata3: hard > resetting link [ 295.259018] ata3: SATA link up 3.0 Gbps (SStatus 123 > SControl 0) > > What can I do next to investigate and help fix this issue? > > > Regards, > -- > Leon > -- > To unsubscribe from this list: send the line "unsubscribe linux-ide" in > the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at > http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
