Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-24 Thread Jan Beulich
Justin P. Mattock justinmatt...@gmail.com 03.02.10 02:43 Could you try this simple patch (against plain 2.6.33-rc8)? Thanks, Jan --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -82,6 +82,9 @@ enum fixed_addresses { #endif FIX_DBGP_BASE,

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-02-21 Thread Justin P. mattock
On 02/21/2010 01:42 PM, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions introduced between 2.6.31 and 2.6.32. Please verify if

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-02-07 Thread Justin P. Mattock
On 02/07/10 16:28, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions introduced between 2.6.31 and 2.6.32. Please verify if it

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-02-07 Thread Rafael J. Wysocki
On Monday 08 February 2010, Justin P. Mattock wrote: On 02/07/10 16:28, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-06 Thread Justin P. Mattock
On 02/04/10 01:57, Jan Beulich wrote: Justin P. Mattockjustinmatt...@gmail.com 04.02.10 10:48 I see: ohci.registers = (void *)fix_to_virt(FIX_OHCI1394_BASE); then I think it calls: set_fixmap_nocache(FIX_OHCI1394_BASE, ohci_base); I'm guessing somewhere with the fix_to_virt might be

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-04 Thread Justin P. Mattock
On 02/04/10 00:54, Jan Beulich wrote: Justin P. Mattockjustinmatt...@gmail.com 04.02.10 00:05 [ 0.00] 01 - 014000 page 2M [ 0.00] kernel direct mapping tables up to 14000 @ b000-11000 [ 0.00] init_ohci1394_dma: initializing OHCI-1394 at 05:00.0 [ 0.00]

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-04 Thread Jan Beulich
Justin P. Mattock justinmatt...@gmail.com 04.02.10 10:04 a quick google on this showed somewhere at bootmem.c any ideas on this or where this might be caused besides fixmap? (or is fixmap the main location?); __native_set_fixmap() - set_pte_vaddr() - set_pte_vaddr_pud() - fill_pte() -

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-04 Thread Justin P. Mattock
On 02/04/10 01:11, Jan Beulich wrote: Justin P. Mattockjustinmatt...@gmail.com 04.02.10 10:04 a quick google on this showed somewhere at bootmem.c any ideas on this or where this might be caused besides fixmap? (or is fixmap the main location?); __native_set_fixmap() - set_pte_vaddr() -

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-04 Thread Jan Beulich
Justin P. Mattock justinmatt...@gmail.com 04.02.10 10:48 I see: ohci.registers = (void *)fix_to_virt(FIX_OHCI1394_BASE); then I think it calls: set_fixmap_nocache(FIX_OHCI1394_BASE, ohci_base); I'm guessing somewhere with the fix_to_virt might be something (but could be wrong); No, it ought

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-03 Thread Justin P. Mattock
jan, Thanks for that info, after looking at arch/x86/kernel/head_64.S I'm thinking this is a grub2 issue. From what I remember while building this system I used ubuntu as the host, built grub2 from git then once being able to boot, figured it was all good. Just to see, I'll go and leave the

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-02 Thread Justin P. Mattock
o.k. finally finished with the bisect: reverting this gets things going on 2.6.33-rc5 789d03f584484af85dbdc64935270c8e45f36ef7 is the first bad commit commit 789d03f584484af85dbdc64935270c8e45f36ef7 Author: Jan Beulich jbeul...@novell.com Date: Tue Jun 30 11:52:23 2009 +0100 x86: Fix

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Justin P. Mattock
On 02/01/10 11:57, Stefan Richter wrote: Justin P. Mattock wrote: On 02/01/10 04:54, Dan Carpenter wrote: On Sun, Jan 31, 2010 at 05:39:22PM -0800, Justin P. Mattock wrote: On 01/31/10 16:43, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Justin P. Mattock
On 02/01/10 14:27, Stefan Richter wrote: Justin P. Mattock wrote: (as for yesterdays 0x(just experimenting)Google gives me no info on the differences between 8f's to 16f's, I was under the impression that it's x86_32 and x86_64 for the pci address). As Dan noted,

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Stefan Richter
Justin P. Mattock wrote: So(correct me if I'm wrong), I'm generating a 64 bit register and the kernel is looking for a 32 bit register causing the crash. No, the class = read_pci_config(); if (class == ...) ... parts of the code are entirely innocent as far as I can tell. This is just the

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Justin P. Mattock
On 02/01/10 21:45, Stefan Richter wrote: Justin P. Mattock wrote: So(correct me if I'm wrong), I'm generating a 64 bit register and the kernel is looking for a 32 bit register causing the crash. No, the class = read_pci_config(); if (class == ...) ... parts of the code are entirely innocent

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Stefan Richter
Justin P. Mattock wrote: As for anything changed in the kernel (2.6.31 - present), tough to say from what I remember I had created a new fresh lfs system using these CFLAGS: CFLAGS=-mtune=core2 -march=core2 -O2 -pipe -fomit-frame-pointer CXXFLAGS=${CFLAGS} MAKEOPTS={-j3} (without -m

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Stefan Richter
Stefan Richter wrote: Do I understand correctly that at this moment it is only known that the bug could be - *either* a 2.6.31 - 2.6.32 regression - *or* an x86-64 specific bug that does not occur on x86-32, right? (OK, according to your other post it /is/ a regression, at least on

Re: ohci1394_dma=early crash since 2.6.32 (was Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0)

2010-02-01 Thread Justin P. Mattock
On 02/01/10 22:55, Stefan Richter wrote: Justin P. Mattock wrote: As for anything changed in the kernel (2.6.31 - present), tough to say from what I remember I had created a new fresh lfs system using these CFLAGS: CFLAGS=-mtune=core2 -march=core2 -O2 -pipe -fomit-frame-pointer

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-01-24 Thread Justin P. Mattock
On 01/24/10 14:22, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions introduced between 2.6.31 and 2.6.32. Please verify if it

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-01-11 Thread Justin P. Mattock
On 01/10/10 14:56, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions introduced between 2.6.31 and 2.6.32. Please verify if it

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2010-01-11 Thread Rafael J. Wysocki
On Monday 11 January 2010, Justin P. Mattock wrote: On 01/10/10 14:56, Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of regressions introduced between 2.6.31 and 2.6.32. The following bug entry is on the current list of known regressions

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2009-11-22 Thread Justin P. Mattock
Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.31. Please verify if it still should be listed and let me know (either way). Bug-Entry :

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2009-11-17 Thread Rafael J. Wysocki
On Tuesday 17 November 2009, Justin P. Mattock wrote: Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.31. Please verify if it still should be

Re: [Bug #14487] PANIC: early exception 08 rip 246:10 error ffffffff810251b5 cr2 0

2009-11-16 Thread Justin P. Mattock
Rafael J. Wysocki wrote: This message has been generated automatically as a part of a report of recent regressions. The following bug entry is on the current list of known regressions from 2.6.31. Please verify if it still should be listed and let me know (either way). Bug-Entry :