linux-kernel - Re: 2.6.24.X: SATA/AHCI related boot delay.

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Message-Id: <200803190853.10030.volker.armin.hemmann@tu-clausthal.de>
Date:	Wed, 19 Mar 2008 08:53:09 +0100
From:	Volker Armin Hemmann <volker.armin.hemmann@...clausthal.de>
To:	Tejun Heo <htejun@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: 2.6.24.X: SATA/AHCI related boot delay. - not with 2.6.24.3

Hi,
On Mittwoch, 19. März 2008, Tejun Heo wrote:
> Tejun Heo wrote:

> Just in case, here's the updated patch.

I tried your patch (on freshly unpacked sources).

non-raid setting in bios,

coldboot:

[   37.123980] ahci 0000:00:0a.0: version 3.0
[   37.124155] ACPI: PCI Interrupt Link [LSA0] enabled at IRQ 23
[   37.124199] ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LSA0] -> GSI 23 
(level, low) -> IRQ 23
[   37.124533] ahci 0000:00:0a.0: controller can't do PMP, turning off CAP_PMP
[   38.124731] ahci 0000:00:0a.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf 
impl IDE mode
[   38.124780] ahci 0000:00:0a.0: flags: 64bit sntf led clo pio
[   38.124819] PCI: Setting latency timer of device 0000:00:0a.0 to 64
[   38.125020] scsi0 : ahci
[   38.125116] scsi1 : ahci
[   38.125182] scsi2 : ahci
[   38.125248] scsi3 : ahci
[   38.125337] ata1: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc100 
irq 315
[   38.125384] ata2: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc180 
irq 315
[   38.125432] ata3: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc200 
irq 315
[   38.125479] ata4: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc280 
irq 315
[   38.597035] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[   38.597732] ata1.00: ATA-7: WDC WD1600JS-00MHB1, 10.02E01, max UDMA/133
[   38.597775] ata1.00: 312581808 sectors, multi 16: LBA48
[   38.598405] ata1.00: configured for UDMA/133
[   39.069342] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[   39.084225] ata2.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7
[   39.084264] ata2.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[   39.086268] ata2.00: configured for UDMA/133
[   39.405277] ata3: SATA link down (SStatus 0 SControl 300)
[   39.724583] ata4: SATA link down (SStatus 0 SControl 300)
[   39.724672] scsi 0:0:0:0: Direct-Access     ATA      WDC WD1600JS-00M 10.0 
PQ: 0 ANSI: 5
[   39.724782] sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 
MB)
[   39.724826] sd 0:0:0:0: [sda] Write Protect is off
[   39.724864] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[   39.724872] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   39.724942] sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 
MB)
[   39.724985] sd 0:0:0:0: [sda] Write Protect is off
[   39.725023] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[   39.725030] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   39.725079]  sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
[   39.763787] sd 0:0:0:0: [sda] Attached SCSI disk
[   39.763923] scsi 1:0:0:0: Direct-Access     ATA      SAMSUNG HD501LJ  CR10 
PQ: 0 ANSI: 5
[   39.764032] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 
MB)
[   39.764077] sd 1:0:0:0: [sdb] Write Protect is off
[   39.764115] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[   39.764124] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   39.764194] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 
MB)
[   39.764237] sd 1:0:0:0: [sdb] Write Protect is off
[   39.764275] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[   39.764283] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   39.764332]  sdb: sdb1 sdb2
[   39.793043] sd 1:0:0:0: [sdb] Attached SCSI disk

reboot:
[   39.522696] ahci 0000:00:0a.0: version 3.0
[   39.522871] ACPI: PCI Interrupt Link [LSA0] enabled at IRQ 23
[   39.522914] ACPI: PCI Interrupt 0000:00:0a.0[A] -> Link [LSA0] -> GSI 23 
(level, low) -> IRQ 23
[   39.523247] ahci 0000:00:0a.0: controller can't do PMP, turning off CAP_PMP
[   40.523447] ahci 0000:00:0a.0: AHCI 0001.0100 32 slots 4 ports 3 Gbps 0xf 
impl IDE mode
[   40.523496] ahci 0000:00:0a.0: flags: 64bit sntf led clo pio
[   40.523535] PCI: Setting latency timer of device 0000:00:0a.0 to 64
[   40.523737] scsi0 : ahci
[   40.523832] scsi1 : ahci
[   40.523898] scsi2 : ahci
[   40.523964] scsi3 : ahci
[   40.524053] ata1: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc100 
irq 315
[   40.524100] ata2: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc180 
irq 315
[   40.524148] ata3: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc200 
irq 315
[   40.524195] ata4: SATA max UDMA/133 abar m8192@...9dfc000 port 0xf9dfc280 
irq 315
[   40.995751] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[   40.996374] ata1.00: ATA-7: WDC WD1600JS-00MHB1, 10.02E01, max UDMA/133
[   40.996416] ata1.00: 312581808 sectors, multi 16: LBA48
[   40.997049] ata1.00: configured for UDMA/133
[   41.468058] ata2: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[   41.471873] ata2.00: ATA-8: SAMSUNG HD501LJ, CR100-12, max UDMA7
[   41.471913] ata2.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 0/32)
[   41.473917] ata2.00: configured for UDMA/133
[   41.790689] ata3: SATA link down (SStatus 0 SControl 300)
[   42.109995] ata4: SATA link down (SStatus 0 SControl 300)
[   42.110084] scsi 0:0:0:0: Direct-Access     ATA      WDC WD1600JS-00M 10.0 
PQ: 0 ANSI: 5
[   42.110194] sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 
MB)
[   42.110238] sd 0:0:0:0: [sda] Write Protect is off
[   42.110276] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[   42.110284] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   42.110354] sd 0:0:0:0: [sda] 312581808 512-byte hardware sectors (160042 
MB)
[   42.110397] sd 0:0:0:0: [sda] Write Protect is off
[   42.110435] sd 0:0:0:0: [sda] Mode Sense: 00 3a 00 00
[   42.110442] sd 0:0:0:0: [sda] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   42.110492]  sda: sda1 sda2 sda3 sda4 < sda5 sda6 >
[   42.140153] sd 0:0:0:0: [sda] Attached SCSI disk
[   42.140289] scsi 1:0:0:0: Direct-Access     ATA      SAMSUNG HD501LJ  CR10 
PQ: 0 ANSI: 5
[   42.140398] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 
MB)
[   42.140443] sd 1:0:0:0: [sdb] Write Protect is off
[   42.140481] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[   42.140489] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   42.140559] sd 1:0:0:0: [sdb] 976773168 512-byte hardware sectors (500108 
MB)
[   42.140602] sd 1:0:0:0: [sdb] Write Protect is off
[   42.140639] sd 1:0:0:0: [sdb] Mode Sense: 00 3a 00 00
[   42.140647] sd 1:0:0:0: [sdb] Write cache: enabled, read cache: enabled, 
doesn't support DPO or FUA
[   42.140696]  sdb: sdb1 sdb2
[   42.167607] sd 1:0:0:0: [sdb] Attached SCSI disk

Full dmesgs attached.

Glück Auf
Volker

View attachment "dmesg_2.6.24.3reiser4ahci_no_srst_coldboot" of type "text/plain" (24679 bytes)

View attachment "dmesg_2.6.24.3reiser4ahci_no_srst_reboot" of type "text/plain" (24677 bytes)