Re: BUG: Bad page map in process init pte:c0ab684c pmd:01182000 (on a PowerMac G4 DP)

2024-08-11 Thread Jonas Vidra
On Thu, 20 Jun 2024 00:42:37 +0200, Erhard Furtner wrote: >> Le 29/02/2024 à 02:09, Erhard Furtner a écrit : >> > >> > Revisited the issue on kernel v6.8-rc6 and I can still reproduce it. >> > >> > Short summary as my last post was over a year ago: >> > (x) I get this memory corruption only wh

Re: BUG: Bad page map in process init pte:c0ab684c pmd:01182000 (on a PowerMac G4 DP)

2024-03-04 Thread Erhard Furtner
On Thu, 29 Feb 2024 17:11:28 + Christophe Leroy wrote: > Interesting. > > I guess 0xe000 is where linear RAM starts to be mapped with pages ? > Can you confirm with a dump of > /sys/kernel/debug/powerpc/block_address_translation ? # cat /sys/kernel/debug/powerpc/block_address_transla

Re: BUG: Bad page map in process init pte:c0ab684c pmd:01182000 (on a PowerMac G4 DP)

2024-02-29 Thread Christophe Leroy
Le 29/02/2024 à 02:09, Erhard Furtner a écrit : > On Mon, 12 Dec 2022 14:31:35 +1000 > "Nicholas Piggin" wrote: > >> On Thu Dec 1, 2022 at 7:44 AM AEST, Erhard F. wrote: >>> Getting this at boot sometimes, but not always (PowerMac G4 DP, kernel >>> 6.0.9): >>> >>> [...] >>> Freeing unused kern

Re: BUG: Bad page map in process mm2

2010-03-09 Thread Steven A. Falco
Jake Magee wrote: > Steven, > > Try these patches... > http://patchwork.ozlabs.org/patch/34047/ > http://patchwork.ozlabs.org/patch/34113/ > Thanks for the pointer. I just tried 34047 and it fixed the problem. Steve > Both patches work for my situation, but I went with the second set

Re: BUG: Bad page map in process mm2

2010-03-08 Thread Jake Magee
Steven, Try these patches... http://patchwork.ozlabs.org/patch/34047/ http://patchwork.ozlabs.org/patch/34113/ Both patches work for my situation, but I went with the second set as a final patch(34113). On Mon, Mar 8, 2010 at 3:32 PM, Steven A. Falco wrote: > Steven A. Falco wrote: > > Apolog

Re: BUG: Bad page map in process mm2

2010-03-08 Thread Steven A. Falco
Steven A. Falco wrote: Apologies - previous crash dump was mangled by the interspersed program output. Here is one showing just the crash dump. Interestingly, the program does produce correct output, as verified by dd'ing from /dev/mem to a file, then doing "od" on the result. So in some sense,

Re: BUG: Bad page map in process

2009-12-07 Thread Sean MacLennan
On Fri, 04 Dec 2009 22:18:55 +1100 Benjamin Herrenschmidt wrote: > Ok, I'll have a look next week. In the meantime, Sean, can you give > me a hint of what you do to trigger it ? Boot time ? specific > workload ? I have not been able to reproduce the problem :( I haven't had a lot of time to run

Re: BUG: Bad page map in process

2009-12-04 Thread Sean MacLennan
On Fri, 04 Dec 2009 22:18:55 +1100 Benjamin Herrenschmidt wrote: > Ok, I'll have a look next week. In the meantime, Sean, can you give > me a hint of what you do to trigger it ? Boot time ? specific > workload ? It hasn't happened that often, but I have been focusing on 2.6.31. So far, it has a

Re: BUG: Bad page map in process

2009-12-04 Thread Benjamin Herrenschmidt
On Fri, 2009-12-04 at 06:00 -0500, Josh Boyer wrote: > On Fri, Dec 04, 2009 at 08:08:27PM +1100, Benjamin Herrenschmidt wrote: > >On Thu, 2009-12-03 at 14:18 -0500, Sean MacLennan wrote: > >> With 2.6.32 I sometimes get lots and lots of "Bad page map" errors as > >> shown below. I believe these sta

Re: BUG: Bad page map in process

2009-12-04 Thread Josh Boyer
On Fri, Dec 04, 2009 at 08:08:27PM +1100, Benjamin Herrenschmidt wrote: >On Thu, 2009-12-03 at 14:18 -0500, Sean MacLennan wrote: >> With 2.6.32 I sometimes get lots and lots of "Bad page map" errors as >> shown below. I believe these started in 2.6.32-rc8 or possibly >> 2.6.32-rc7. Pika just switc

Re: BUG: Bad page map in process

2009-12-04 Thread Benjamin Herrenschmidt
On Thu, 2009-12-03 at 14:18 -0500, Sean MacLennan wrote: > With 2.6.32 I sometimes get lots and lots of "Bad page map" errors as > shown below. I believe these started in 2.6.32-rc8 or possibly > 2.6.32-rc7. Pika just switched to 2.6.31 so I have been concentrating > on that release, and not really

Re: BUG: Bad page map in process

2009-12-03 Thread Sean MacLennan
On Thu, 3 Dec 2009 14:06:34 -0600 Jake Magee wrote: > Have you tried the following patches? I'm not sure if they have made > it into the newer releases. > http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg37188.html > > Also for reference... http://patchwork.ozlabs.org/patch/34047/

Re: BUG: Bad page map in process

2009-12-03 Thread Jake Magee
Have you tried the following patches? I'm not sure if they have made it into the newer releases. http://www.mail-archive.com/linuxppc-dev@lists.ozlabs.org/msg37188.html Also for reference... http://patchwork.ozlabs.org/patch/34047/ On Thu, Dec 3, 2009 at 1:18 PM, Sean MacLennan wrote: > With 2