* PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)
@ 2010-03-11 3:20 Andrew Liu
2010-03-11 5:20 ` Kumar Gala
0 siblings, 1 reply; 4+ messages in thread
From: Andrew Liu @ 2010-03-11 3:20 UTC (permalink / raw)
To: Anton Blanchard; +Cc: linuxppc-dev
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Hi Guys:
I have done several experiments on fsl_8548cds and fsl_p2020rdb, pinpointed
the commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use
lwarx/ldarx hint in bit locks) cause the bootup stalledd.
"
Filename 'fsl_8548cds/uImage'.
Load address: 0x1000000
Loading: #################################################################
#######################################
done
Bytes transferred = 1526546 (174b12 hex)
Speed: 100, full duplex
Using eTSEC0 device
Filename 'sliu/fsl_8548cds/mpc8548cds.dtb'.
Load address: 0xc00000
Loading: #
done
Bytes transferred = 9993 (2709 hex)
## Booting image at 01000000 ...
Image Name: Linux-2.6.34-rc1-00005-g522dba7
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 1526482 Bytes = 1.5 MB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Booting using the fdt at 0xc00000
Loading Device Tree to 007fb000, end 007fd708 ... OK
"
I guess all 85xx or booke board has this issue.
Thanks
Andrew
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)
2010-03-11 3:20 PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks) Andrew Liu
@ 2010-03-11 5:20 ` Kumar Gala
2010-03-11 5:39 ` Kumar Gala
0 siblings, 1 reply; 4+ messages in thread
From: Kumar Gala @ 2010-03-11 5:20 UTC (permalink / raw)
To: Andrew Liu; +Cc: linuxppc-dev, Anton Blanchard
On Mar 10, 2010, at 9:20 PM, Andrew Liu wrote:
> Hi Guys:
> I have done several experiments on fsl_8548cds and fsl_p2020rdb, =
pinpointed the commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: =
Use lwarx/ldarx hint in bit locks) cause the bootup stalledd.
>=20
> "
> Filename 'fsl_8548cds/uImage'.
> Load address: 0x1000000
> Loading: =
#################################################################
> #######################################
> done
> Bytes transferred =3D 1526546 (174b12 hex)
> Speed: 100, full duplex
> Using eTSEC0 device
> Filename 'sliu/fsl_8548cds/mpc8548cds.dtb'.
> Load address: 0xc00000
> Loading: #
> done
> Bytes transferred =3D 9993 (2709 hex)
> ## Booting image at 01000000 ...
> Image Name: Linux-2.6.34-rc1-00005-g522dba7
> Image Type: PowerPC Linux Kernel Image (gzip compressed)
> Data Size: 1526482 Bytes =3D 1.5 MB
> Load Address: 00000000
> Entry Point: 00000000
> Verifying Checksum ... OK
> Uncompressing Kernel Image ... OK
> Booting using the fdt at 0xc00000
> Loading Device Tree to 007fb000, end 007fd708 ... OK
> "
> =20
> I guess all 85xx or booke board has this issue.
that's very odd since __PPC_EH should be ignored on PPC32 and thus 85xx.
- k=
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)
2010-03-11 5:20 ` Kumar Gala
@ 2010-03-11 5:39 ` Kumar Gala
2010-03-11 8:57 ` Andrew Liu
0 siblings, 1 reply; 4+ messages in thread
From: Kumar Gala @ 2010-03-11 5:39 UTC (permalink / raw)
To: Kumar Gala; +Cc: Andrew Liu, Anton Blanchard, linuxppc-dev
On Mar 10, 2010, at 11:20 PM, Kumar Gala wrote:
>=20
> On Mar 10, 2010, at 9:20 PM, Andrew Liu wrote:
>=20
>> Hi Guys:
>> I have done several experiments on fsl_8548cds and fsl_p2020rdb, =
pinpointed the commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: =
Use lwarx/ldarx hint in bit locks) cause the bootup stalledd.
>>=20
>> "
>> Filename 'fsl_8548cds/uImage'.
>> Load address: 0x1000000
>> Loading: =
#################################################################
>> #######################################
>> done
>> Bytes transferred =3D 1526546 (174b12 hex)
>> Speed: 100, full duplex
>> Using eTSEC0 device
>> Filename 'sliu/fsl_8548cds/mpc8548cds.dtb'.
>> Load address: 0xc00000
>> Loading: #
>> done
>> Bytes transferred =3D 9993 (2709 hex)
>> ## Booting image at 01000000 ...
>> Image Name: Linux-2.6.34-rc1-00005-g522dba7
>> Image Type: PowerPC Linux Kernel Image (gzip compressed)
>> Data Size: 1526482 Bytes =3D 1.5 MB
>> Load Address: 00000000
>> Entry Point: 00000000
>> Verifying Checksum ... OK
>> Uncompressing Kernel Image ... OK
>> Booting using the fdt at 0xc00000
>> Loading Device Tree to 007fb000, end 007fd708 ... OK
>> "
>>=20
>> I guess all 85xx or booke board has this issue.
>=20
> that's very odd since __PPC_EH should be ignored on PPC32 and thus =
85xx.
Found the issue and posted a fix.
- k=
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks)
2010-03-11 5:39 ` Kumar Gala
@ 2010-03-11 8:57 ` Andrew Liu
0 siblings, 0 replies; 4+ messages in thread
From: Andrew Liu @ 2010-03-11 8:57 UTC (permalink / raw)
To: Kumar Gala; +Cc: linuxppc-dev, Anton Blanchard
[-- Attachment #1: Type: text/plain, Size: 1578 bytes --]
Just validated it, this fix can make fsl_p2020ds work again.
Andrew
On Thu, Mar 11, 2010 at 1:39 PM, Kumar Gala <galak@kernel.crashing.org>wrote:
>
> On Mar 10, 2010, at 11:20 PM, Kumar Gala wrote:
>
> >
> > On Mar 10, 2010, at 9:20 PM, Andrew Liu wrote:
> >
> >> Hi Guys:
> >> I have done several experiments on fsl_8548cds and fsl_p2020rdb,
> pinpointed the commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use
> lwarx/ldarx hint in bit locks) cause the bootup stalledd.
> >>
> >> "
> >> Filename 'fsl_8548cds/uImage'.
> >> Load address: 0x1000000
> >> Loading:
> #################################################################
> >> #######################################
> >> done
> >> Bytes transferred = 1526546 (174b12 hex)
> >> Speed: 100, full duplex
> >> Using eTSEC0 device
> >> Filename 'sliu/fsl_8548cds/mpc8548cds.dtb'.
> >> Load address: 0xc00000
> >> Loading: #
> >> done
> >> Bytes transferred = 9993 (2709 hex)
> >> ## Booting image at 01000000 ...
> >> Image Name: Linux-2.6.34-rc1-00005-g522dba7
> >> Image Type: PowerPC Linux Kernel Image (gzip compressed)
> >> Data Size: 1526482 Bytes = 1.5 MB
> >> Load Address: 00000000
> >> Entry Point: 00000000
> >> Verifying Checksum ... OK
> >> Uncompressing Kernel Image ... OK
> >> Booting using the fdt at 0xc00000
> >> Loading Device Tree to 007fb000, end 007fd708 ... OK
> >> "
> >>
> >> I guess all 85xx or booke board has this issue.
> >
> > that's very odd since __PPC_EH should be ignored on PPC32 and thus 85xx.
>
> Found the issue and posted a fix.
>
> - k
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2010-03-11 3:20 PowerPC 85xx board are caused die by Commit: 864b9e6fd76489aab422bac62162f57c52e06ed8(powerpc: Use lwarx/ldarx hint in bit locks) Andrew Liu
2010-03-11 5:20 ` Kumar Gala
2010-03-11 5:39 ` Kumar Gala
2010-03-11 8:57 ` Andrew Liu
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