Hello, Mathieu. Mathieu Bérard wrote: > Hello, > I have and laptop with an ICH6M SATA Controller and an Hitachi hard drive. > While it worked well using the ahci module and with NCQ enabled using > Linux 2.6.20, it does not work anymore (hang at boot) with 2.6.21-rc* > > My drive is among those that were recently blacklisted (see lkml post > "[PATCH] libata: > add NCQ blacklist entries from Silicon Image Windowsdriver) > (Model Number: HTS541010G9SA00 and Firmware Revision: MBZOC60D) > This blacklisting patch is in -mm now. > So there is probably a drive related issue here, I'm just wondering why > it just work > flawlessly with a 2.6.20... > > Relevant part of kernel log: > [ 16.044663] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) > [ 16.089475] ata1.00: ATA-7: HTS541010G9SA00, MBZOC60D, max UDMA/100 > [ 16.089525] ata1.00: 195371568 sectors, multi 0: LBA48 NCQ (depth 31/32) No, your drive isn't blacklisted yet. NCQ is still being enabled. > [ 16.091804] ata1.00: configured for UDMA/100 > [ 18.151756] SCSI device sda: write cache: enabled, read cache: > enabled, doesn't support DPO or FUA [--snip--] > [ 18.151856] SCSI device sda: 195371568 512-byte hdwr sectors (100030 MB) > [ 18.151911] sda: Write Protect is off > [ 18.151977] SCSI device sda: write cache: enabled, read cache: > enabled, doesn't support DPO or FUA > [....] > [ 48.143940] ata1.00: exception Emask 0x0 SAct 0x1 SErr 0x0 action 0x2 > frozen > [ 48.143999] ata1.00: cmd 60/08:00:00:00:00/00:00:00:00:00/40 tag 0 > cdb 0x0 data 4096 in > [ 48.144000] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask > 0x4 (timeout) It looks like IRQ isn't getting through. Does giving "acpi=off" kernel parameter make any difference? -- tejun - 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