Ros-dev

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5791 discussions

Bug Check in Marea.c
by James Tabor 12 Jan '06

12 Jan '06

Hi all, With real hardware and revision 20802, At the end of first stage and after hitting the Finish button, I can reproduce this every time too, KeBugCheck at ./ntoskrnl/mm/marea.c:901 A problem has been detected and ReactOS has been shut down to prevent damage to your computer. Technical information: *** STOP: 0x00000000 (0x00000000,0x00000000,0x00000000,0x00000000) Frames: <ntoskrnl.exe:1676 (./ntoskrnl/ke/bug.c:483 (KeBugCheckEx))> <ntoskrnl.exe:168d (./ntoskrnl/ke/bug.c:504 (KeBugCheck))> <ntoskrnl.exe:4342b (./ntoskrnl/mm/marea.c:0 ())> <ntoskrnl.exe:434c4 (./ntoskrnl/mm/process.c:0 ())> <ntoskrnl.exe:55c12 (./ntoskrnl/ps/kill.c:200 (PspDeleteThread))> <ntoskrnl.exe:50cdd (./ntoskrnl/ob/object.c:0 ())> <ntoskrnl.exe:518ce (./ntoskrnl/ob/handle.c:254 (ObpDeleteHandle))> <ntoskrnl.exe:51a0b (./ntoskrnl/ob/handle.c:1112 (NtClose))> <ntoskrnl.exe:6440c (ntoskrnl/ke/i386/syscall.S:372 (KiSystemService))> <KERNEL32.dll:a697 (./lib/kernel32/misc/handle.c:0 ())> Entered debugger on embedded INT3 at 0x0008:0x80073b86. kdb:> bt Eip: <ntoskrnl.exe:73b87 (lib/rtl/i386/debug_asm.S:28 (DbgBreakPointWithStatus))> Frames: <ntoskrnl.exe:1676 (./ntoskrnl/ke/bug.c:483 (KeBugCheckEx))> <ntoskrnl.exe:168d (./ntoskrnl/ke/bug.c:504 (KeBugCheck))> <ntoskrnl.exe:4342b (./ntoskrnl/mm/marea.c:0 ())> <ntoskrnl.exe:434c4 (./ntoskrnl/mm/process.c:0 ())> <ntoskrnl.exe:55c12 (./ntoskrnl/ps/kill.c:200 (PspDeleteThread))> <ntoskrnl.exe:50cdd (./ntoskrnl/ob/object.c:0 ())> <ntoskrnl.exe:518ce (./ntoskrnl/ob/handle.c:254 (ObpDeleteHandle))> <ntoskrnl.exe:51a0b (./ntoskrnl/ob/handle.c:1112 (NtClose))> <ntoskrnl.exe:6440c (ntoskrnl/ke/i386/syscall.S:372 (KiSystemService))> <KERNEL32.dll:a697 (./lib/kernel32/misc/handle.c:0 ())> <winlogon.exe:1ae2> <winlogon.exe:20f6> <winlogon.exe:339a> <winlogon.exe:11e7> <winlogon.exe:1258> <00000000> kdb:> I go into ntoskrnl/mm/marea.c and at line 891 I change DPRINT to DPRINT1, now the system reboots and runs normal. I even have Abiword running with Winefile. Thanks, James

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Re: [ros-diffs] [hbirr] 20793: - We cannot access the OwnerTable without locking the resource.
by Alex Ionescu 12 Jan '06

12 Jan '06

hbirr(a)svn.reactos.org wrote: > if (!Resource->ActiveCount) > { > > >- /* Nobody owns it, so let's take control */ > > >+ if (Resource->NumberOfSharedWaiters == 0) >+ { >+ Owner = &Resource->OwnerThreads[1]; >+ } >+ else >+ { >+ /* Find a free entry */ >+ Owner = ExpFindFreeEntry(Resource, &OldIrql); >+ if (!Owner) goto TryAcquire; >+ } >+ >+ Owner->OwnerThread = Thread; >+ Owner->OwnerCount = 1; > > > Resource->ActiveCount = 1; > > >- Resource->OwnerThreads[1].OwnerThread = Thread; >- Resource->OwnerThreads[1].OwnerCount = 1; > > > > /* Release the lock and return */ > ExReleaseResourceLock(&Resource->SpinLock, OldIrql); > > This change makes no sense. Note that we check for !Resource->ActiveCount. This, by definition implies that there CANNOT be any exclusive owner or shared owner. Access to the resource should be granted instanteously. Best regards, Alex Ionescu

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RE: [ros-dev] Patent on FAT
by Murphy, Ged (Bolton) 11 Jan '06

11 Jan '06

Ge van Geldorp wrote: > AFAIK, it is about storing both a long and a short filename > for the same > file in the same directory. > > GvG Do we really need the ability to store short file names? Can we not just remove that feature entirely? Ged. ************************************************************************ The information contained in this message or any of its attachments is confidential and is intended for the exclusive use of the addressee. The information may also be legally privileged. The views expressed may not be company policy, but the personal views of the originator. If you are not the addressee, any disclosure, reproduction, distribution or other dissemination or use of this communication is strictly prohibited. If you have received this message in error, please contact postmaster(a)exideuk.co.uk <mailto:postmaster@exideuk.co.uk> and then delete this message. Exide Technologies is an industrial and transportation battery producer and recycler with operations in 89 countries. Further information can be found at www.exide.com

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Re: Re: [ros-dev] Patent on FAT
by Johannes Olofsson 11 Jan '06

11 Jan '06

Does it really matter if people enable it or not if we still provide the functionality? /Johannes Olofsson > Till: ReactOS Development List <ros-dev(a)reactos.org> > Rubrik: Re: [ros-dev] Patent on FAT > Datum: Wed, 11 Jan 2006 14:57:50 -0500 > Hi, > > I think we should turn off the 8.3 short filename support by default > and see what breaks. Providing a option right at the start of 2nd > stage step "Patented features" using a checkbox to enable it should > get us around the issue. Its not our problem if someone else enables > it. > > -- > Steven Edwards - ReactOS and Wine developer > > "There is one thing stronger than all the armies in the world, and > that is an idea whose time has come." - Victor Hugo > > _______________________________________________ > Ros-dev mailing list > Ros-dev(a)reactos.org > <a > href=http://www.reactos.org/mailman/listinfo/ros-dev>http://www.reactos.org/ > mailman/listinfo/ros-dev</a>

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RE: [ros-dev] Patent on FAT
by Murphy, Ged (Bolton) 11 Jan '06

11 Jan '06

nitro2k01 wrote: > I haven't seen the patant documents, but doesn't this mean that any > file system which stores both long and short file names on the same > volume would be theoreticlly affected? > No. Long files names were incorporated into unix systems long before the days FAT, or even DOS. This patent (if correct) is linked to FAT only. If is true, it would effect many things, but I can't see Microsoft enforcing it, it would alienate themselves. Just the fact that it is there is a problem for ReactOS though, even if they don't do anything about it. I haven't been able to find a copy of the patent yet. AFAIK, it was only released today. Ged. ************************************************************************ The information contained in this message or any of its attachments is confidential and is intended for the exclusive use of the addressee. The information may also be legally privileged. The views expressed may not be company policy, but the personal views of the originator. If you are not the addressee, any disclosure, reproduction, distribution or other dissemination or use of this communication is strictly prohibited. If you have received this message in error, please contact postmaster(a)exideuk.co.uk <mailto:postmaster@exideuk.co.uk> and then delete this message. Exide Technologies is an industrial and transportation battery producer and recycler with operations in 89 countries. Further information can be found at www.exide.com

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Could someone look at bug 1263?? Please?
by WaxDragon 11 Jan '06

11 Jan '06

I've seen this bugcheck several times debugging various things. At the moment, it reproducible following the steps in the bug. This has been around for a while and it aid me greatly to have it fixed. http://www.reactos.org/bugzilla/show_bug.cgi?id=1263 WD -- <Alex_Ionescu> it's like saying let's rename Ke to Kernel because people think it's Ketchup

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RE: [ros-dev] Patent on FAT
by Murphy, Ged (Bolton) 11 Jan '06

11 Jan '06

Murphy, Ged (Bolton) wrote: > > I'm reading reports of a US patent on FAT. > Link: http://news.com.com/Microsofts+file+system+patent+upheld/2100-1012_3-6025447 .html?part=rss&tag=6025447&subj=news ************************************************************************ The information contained in this message or any of its attachments is confidential and is intended for the exclusive use of the addressee. The information may also be legally privileged. The views expressed may not be company policy, but the personal views of the originator. If you are not the addressee, any disclosure, reproduction, distribution or other dissemination or use of this communication is strictly prohibited. If you have received this message in error, please contact postmaster(a)exideuk.co.uk <mailto:postmaster@exideuk.co.uk> and then delete this message. Exide Technologies is an industrial and transportation battery producer and recycler with operations in 89 countries. Further information can be found at www.exide.com

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Re: [ros-diffs] [gedmurphy] 20773: - popup menu on right click
by Thomas Weidenmueller 10 Jan '06

10 Jan '06

gedmurphy(a)svn.reactos.org wrote: > + case NM_RCLICK: you should use WM_CONTEXTMENU instead so the menus are also accessible by using the keyboard. - Thomas

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Dev blogs
by Murphy, Ged (Bolton) 10 Jan '06

10 Jan '06

I'd quite like to see the blog page integrated into the site and made to look pretty. I also think it might entice devs to start using the thing. At the moment there is only about 4 people listed, and of those only Alex every actually uses it. Would developers make an effort to start blogging if it was 'spruced up' and integrated? If not, I think it should be removed as it looks a bit pitiful as it is and gives the impression not much is going on (which is obviously not the case) It doesn't always have to be development related stuff in there. Anything interesting draws a crowd. Ged. ************************************************************************ The information contained in this message or any of its attachments is confidential and is intended for the exclusive use of the addressee. The information may also be legally privileged. The views expressed may not be company policy, but the personal views of the originator. If you are not the addressee, any disclosure, reproduction, distribution or other dissemination or use of this communication is strictly prohibited. If you have received this message in error, please contact postmaster(a)exideuk.co.uk <mailto:postmaster@exideuk.co.uk> and then delete this message. Exide Technologies is an industrial and transportation battery producer and recycler with operations in 89 countries. Further information can be found at www.exide.com

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Re: [ros-bugs] [Bug 1264] Use of pentium-class instructions
by Jerry 10 Jan '06

10 Jan '06

I would have to agree with this. ReactOS.Bugzilla(a)reactos.org wrote: >http://www.reactos.org/bugzilla/show_bug.cgi?id=1264 > > > > > >------- Additional Comments From gvg(a)reactos.org 2006-01-10 19:07 CET ------- >I'd prefer something along the lines of: > >FooBarFast: > non-486 implementation > >FooBar486: > 486 implementation > >FooBarInit: > Store either FooBarFast or FooBar486 in FooBarPtr > >FooBarPtr: > .long FooBarInit > > .global ExfFooBar >ExfFooBar: > jmp [FooBarPtr] > >No self modifying code, at the expense of an indirect jump > > >

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