Re: 2.6.14-rc1 breaks tg3 on ia64

[Keith Owens <kaos@sgi.com>]

On Tue, 13 Sep 2005 16:17:33 +1000, 
Keith Owens <kaos@sgi.com> wrote:
>On Mon, 12 Sep 2005 22:37:55 -0700 (PDT), 
>"David S. Miller" <davem@davemloft.net> wrote:
>>From: Keith Owens <kaos@sgi.com>
>>Date: Tue, 13 Sep 2005 15:22:17 +1000
>>
>>> 2.6.14-rc1 + kdb on ia64 (SGI Altix).
>>> 
>>> tg3.c:v3.39 (September 5, 2005)
>>> ACPI: PCI Interrupt 0001:01:04.0[A]: no GSI
>>> BRIDGE ERR_STATUS 0x800
>>> BRIDGE ERR_STATUS 0x800
>>> PCI BRIDGE ERROR: int_status is 0x800 for 011c32:slab0:widget15:bus0
>>>     Dumping relevant 011c32:slab0:widget15:bus0 registers for each bit set...
>>>         11: PCI bus device select timeout
>>>             PCI Error Address Register: 0x3000000316808
>>>             PCI Error Address: 0x316808
>>>     PIC Multiple Interrupt Register is 0x800
>>>         11: PCI bus device select timeout
>>> 
>>> Followed by a machine check and reboot :(  2.6.13 worked fine.  Any
>>> ideas which patch to backout this time?
>>
>>Does copying over the 2.6.13 tg3.[ch] driver over into your
>>2.6.14-rc1 tree make it work?
>
>No, the 2.6.13 driver in 2.6.14-rc1 has exactly the same problem.
>
>The last time that tg3 broke like this, it was because of the patch
>below, in 2.6.13-rc6.  That was backed out in 2.6.13-rc7.  Was the PCI
>patch (or equivalent) reinstated in 2.6.14-rc1?
>
>From: John W. Linville <linville@tuxdriver.com>
>Date: Fri, 5 Aug 2005 01:06:10 +0000 (-0700)
>Subject: [PATCH] PCI: restore BAR values after D3hot->D0 for devices that need it
>X-Git-Tag: v2.6.13-rc6
>X-Git-Url: http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=fec59a711eef002d4ef9eb8de09dd0a26986eb77

Another data point.  Omit the tg3 from the build and then it breaks on
the SCSI qla2300 driver.  It is a PCI/ACPI specific problem on ia64,
not just network.

qla1280: QLA12160 found on PCI bus 1, dev 3
ACPI: PCI Interrupt 0001:01:03.0[A]: no GSI
BRIDGE ERR_STATUS 0x800
BRIDGE ERR_STATUS 0x800
PCI BRIDGE ERROR: int_status is 0x800 for 011c32:slab0:widget15:bus0
    Dumping relevant 011c32:slab0:widget15:bus0 registers for each bit set...
        11: PCI bus device select timeout
            PCI Error Address Register: 0x3000000302008
            PCI Error Address: 0x302008
    PIC Multiple Interrupt Register is 0x800
        11: PCI bus device select timeout


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