Re: HPT374 detection crash with 74811f355f4f69a187fa74892dcf2a684b84ce99

[Sergei Shtylyov <sshtylyov@ru.mvista.com>]

Hello.

Masoud Sharbiani "مسعود شربیانی" wrote:

> Hi there, Looks like your commit 74811f355f4f69a187fa74892dcf2a684b84ce99
>  (hpt366: convert to use ->host_priv)

    Thanks for the bisection.

> has caused the following crash:

    Oops, we did it again. :-)

> (Full dmesg follows, as captured from a serial console)

> [   22.555200] hpt366: HPT374 chipset detected
> [   22.559489] hpt366 0000:03:06.0: IDE controller (0x1103:0x0008 rev 0x07)
> [   22.566278] HPT366_IDE 0000:03:06.0: PCI INT A -> GSI 28 (level, low) -> IRQ 28
> [   22.573729] usb 1-2: new full speed USB device using uhci_hcd and address 4
> [   22.580726] pci 0000:03:06.1: PCI INT A -> GSI 28 (level, low) -> IRQ 28
> [   22.587529] hpt366 0000:03:06.0: DPLL base: 48 MHz, f_CNT: 142, assuming 33 MHz PCI
> [   22.602705] hpt366 0000:03:06.0: using 50 MHz DPLL clock
> [   22.608181] hpt366 0000:03:06.0: 100% native mode on irq 28
> [   22.613831] hpt366 0000:03:06.1: no clock data saved by BIOS

    Aha, HPT374 workaround for reading BIOS clock data didn't get executed.

> [   22.731015] usb 1-2: configuration #1 chosen from 1 choice
> [   22.737191] ata2.00: ATA-6: ST3120022A, 3.04, max UDMA/100
> [   22.738880] hub 1-2:1.0: USB hub found
> [   22.746597] ata2.00: 234441648 sectors, multi 16: LBA48
> [   22.747804] hpt366 0000:03:06.1: DPLL base: 33 MHz, f_CNT: 139, assuming

    Uh, I wonder where did it get those 33 MHz DPLL base -- there's simply no 
such base.  Looks like memory addressed by .host_priv got corrupt...

MBR, Sergei