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Re: HPT374 detection crash with 74811f355f4f69a187fa74892dcf2a684b84ce99
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From: Masoud Sharbiani
Subject:
Re: HPT374 detection crash with 74811f355f4f69a187fa74892dcf2a684b84ce99
Date: Friday, September 5, 2008 - 9:32 am
On Fri, Sep 5, 2008 at 9:32 AM, Sergei Shtylyov <sshtylyov@ru.mvista.com> wrote:
quoted text
> Hello, I just wrote: > >>> Hi there, Looks like your commit 74811f355f4f69a187fa74892dcf2a684b84ce99 >>> (hpt366: convert to use ->host_priv) > >> Thanks for doing the bisection. > >>> has caused the following crash: > >> Oops, we did it again. :-) > > Already seeing Bart's mistake, see below: > >>> (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... > > No, that's just wrong pointer arithmetics there: > > struct hpt_info *info = host->host_priv + (hwif->dev == host->dev[1]); > > The 'host_priv' is declared as 'void *', hence in case the condition abobe > is true, there will be added only 1 to host->host_priv, not sizeof(struct > hpt_info) as it should've been... >
Hey I can try that now....stay tuned. Masoud
quoted text
> MBR, Sergei > >
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Messages in current thread:
Re: HPT374 detection crash with 74811f355f4f69a187fa74892d ...
, Sergei Shtylyov
, (Fri Sep 5, 9:16 am)
Re: HPT374 detection crash with 74811f355f4f69a187fa74892d ...
, Sergei Shtylyov
, (Fri Sep 5, 9:32 am)
Re: HPT374 detection crash with 74811f355f4f69a187fa74892d ...
, Masoud Sharbiani
, (Fri Sep 5, 9:32 am)
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