Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Sat, 24 Jul 2004, Christopher Faylor wrote: On Thu, Jul 22, 2004 at 02:15:58PM -0400, Christopher Faylor wrote: On Thu, Jul 22, 2004 at 12:54:37PM -0400, Igor Pechtchanski wrote: Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. It's a new error in pinfo.cc line 195 in current (as of this writing) CVS sources. I added some additional logic around this error to try to avoid issuing it if the process is exiting. I was thinking that maybe this was a multi-thread problem but, AFAICT, the only time that this should be accessed from a multi-thread context in CVS is when a process exits. cgf Thanks. I'll see if I get the errors again with the new DLL. Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Sun, Jul 25, 2004 at 10:17:19PM -0400, Igor Pechtchanski wrote: On Sat, 24 Jul 2004, Christopher Faylor wrote: On Thu, Jul 22, 2004 at 02:15:58PM -0400, Christopher Faylor wrote: On Thu, Jul 22, 2004 at 12:54:37PM -0400, Igor Pechtchanski wrote: Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. It's a new error in pinfo.cc line 195 in current (as of this writing) CVS sources. I added some additional logic around this error to try to avoid issuing it if the process is exiting. I was thinking that maybe this was a multi-thread problem but, AFAICT, the only time that this should be accessed from a multi-thread context in CVS is when a process exits. Thanks. I'll see if I get the errors again with the new DLL. FWIW, I'm just grasping at straws. I can't convince myself that this would even be a problem at exit. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Thu, Jul 22, 2004 at 02:15:58PM -0400, Christopher Faylor wrote: On Thu, Jul 22, 2004 at 12:54:37PM -0400, Igor Pechtchanski wrote: Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. It's a new error in pinfo.cc line 195 in current (as of this writing) CVS sources. I added some additional logic around this error to try to avoid issuing it if the process is exiting. I was thinking that maybe this was a multi-thread problem but, AFAICT, the only time that this should be accessed from a multi-thread context in CVS is when a process exits. cgf -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
RE: MapViewOfFileEx errors with cygwin1-20040716 snapshot
-Original Message- From: cygwin-owner On Behalf Of Corinna Vinschen Sent: 22 July 2004 21:41 On Jul 22 18:37, Dave Korn wrote: I beg to differ: [EMAIL PROTECTED] /usr/build/src/winsup/cygwin grep MapViewOfFileEx failed *.cc mmap.cc: syscall_printf (-1 = mmap(): MapViewOfFileEx failed with %E) ; pinfo.cc: api_fatal (MapViewOfFileEx failed, %E); Hey, that's *very* different! Note the use of the word with in mmap.cc. Corinna I note that you subtly snipped out the statement with which I was begging to differ: -Original Message- From: cygwin-owner On Behalf Of Igor Pechtchanski Sent: 22 July 2004 17:55 (there's only one occurrence of MapViewOfFileEx failed in the current CVS, Now, where did I leave that trollometer? g cheers, DaveK [ it's in the bin. it blew up ages ago. ] -- Can't think of a witty .sigline today -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Wed, 21 Jul 2004, Igor Pechtchanski wrote: On Wed, 21 Jul 2004, Corinna Vinschen wrote: On Jul 21 14:47, Igor Pechtchanski wrote: On Wed, 21 Jul 2004, Corinna Vinschen wrote: It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Actually, this is what's weird. The messages from open_shared() and fixup_shms_after_fork() are subtly different, and I don't recall the name of the shared region (or, for that matter, anything in single quotes) being printed, so I guess the message came from fixup_shms_after_fork(). I've since tried to reproduce it under strace, and failed. The three times I saw the message, one was from inside cvs.exe, and two were from inside ssh.exe, if that helps any. The next time I get this error, I'll None of these apps use XSI shared memory. In theory that only can happen if sph_list is not all zero in a forked application. But that should only happen if the parent used XSI shared memory... copy/paste the exact message and the exact sequence of actions that led to it. Please let me know what else I can do to help track this down. Do you have Cygserver running? If yes, does that also happen if it doesn't run or CYGWIN != server? Corinna Nope, I don't have cygserver running. My $CYGWIN is check_case:strict ntsec notitle binmode nosmbntsec notty. If you want to put some more debugging info in all the places the above message can appear, I'll use the new snapshot and if I trip the error again, I'll post the output. Igor Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Thu, 22 Jul 2004, Igor Pechtchanski wrote: On Jul 21 14:47, Igor Pechtchanski wrote: On Wed, 21 Jul 2004, Corinna Vinschen wrote: It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Actually, this is what's weird. The messages from open_shared() and fixup_shms_after_fork() are subtly different, and I don't recall the name of the shared region (or, for that matter, anything in single quotes) being printed, so I guess the message came from fixup_shms_after_fork(). I've since tried to reproduce it under strace, and failed. The three times I saw the message, one was from inside cvs.exe, and two were from inside ssh.exe, if that helps any. The next time I get this error, I'll copy/paste the exact message and the exact sequence of actions that led to it. Please let me know what else I can do to help track this down. Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. Never mind. I spoke too soon, and my current CVS turned out to be not all that current. The message above comes from pinfo.cc, line 197. CYGWIN-TECHNICAL-STUFF Would it work if I built my own DLL, with debugging, and inserted a try_to_debug() call before the api_fatal()? Frankly, I've never had much luck getting gdb to start from the error_start setting in $CYGWIN, but I'll see if I can get this to work unless the above info helps someone track this down sooner. /CYGWIN-TECHNICAL-STUFF HTH, Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
RE: MapViewOfFileEx errors with cygwin1-20040716 snapshot
-Original Message- From: cygwin-owner On Behalf Of Igor Pechtchanski Sent: 22 July 2004 17:55 Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, I beg to differ: [EMAIL PROTECTED] /usr/build/src/winsup/cygwin grep MapViewOfFileEx failed *.cc mmap.cc: syscall_printf (-1 = mmap(): MapViewOfFileEx failed with %E) ; pinfo.cc: api_fatal (MapViewOfFileEx failed, %E); [EMAIL PROTECTED] /usr/build/src/winsup/cygwin cvs status mmap.cc pinfo.cc === File: mmap.cc Status: Up-to-date Working revision:1.98 Repository revision: 1.98/cvs/src/src/winsup/cygwin/mmap.cc,v Sticky Tag: (none) Sticky Date: (none) Sticky Options: -ko === File: pinfo.cc Status: Up-to-date Working revision:1.116 Repository revision: 1.116 /cvs/src/src/winsup/cygwin/pinfo.cc,v Sticky Tag: (none) Sticky Date: (none) Sticky Options: -ko [ Note that %E translates to Win32 error %d where the %d argument is supplied by GetLastError ] cheers, DaveK -- Can't think of a witty .sigline today -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
RE: MapViewOfFileEx errors with cygwin1-20040716 snapshot
-Original Message- From: cygwin-owner On Behalf Of Igor Pechtchanski Sent: 22 July 2004 18:13 Never mind. I spoke too soon, and my current CVS turned out to be not all that current. The message above comes from pinfo.cc, line 197. Oops. Teach me to deal with mail in the order it arrives! CYGWIN-TECHNICAL-STUFF Would it work if I built my own DLL, with debugging, and inserted a try_to_debug() call before the api_fatal()? Frankly, I've never had much luck getting gdb to start from the error_start setting in $CYGWIN, but I'll see if I can get this to work unless the above info helps someone track this down sooner. /CYGWIN-TECHNICAL-STUFF Dunno exactly. However, my suggestion is that the most useful diagnostic at that point would be a print out of the address parameter passed to the MVOFx function and the name of the .dll that is occupying that area, or perhaps just an entire module list. cheers, DaveK -- Can't think of a witty .sigline today -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Thu, Jul 22, 2004 at 12:54:37PM -0400, Igor Pechtchanski wrote: Ok, I tripped the error again. Here it is, in all of its pristine glory: c:\cygwin\bin\vim.exe (2568): *** MapViewOfFileEx failed, Win32 error 6 Weirdly enough, I did not find this exact message anywhere in the sources (there's only one occurrence of MapViewOfFileEx failed in the current CVS, and it has other things in the message). If anyone has any ideas on where it's coming from, I'd appreciate a pointer. It's a new error in pinfo.cc line 195 in current (as of this writing) CVS sources. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Jul 22 18:37, Dave Korn wrote: I beg to differ: [EMAIL PROTECTED] /usr/build/src/winsup/cygwin grep MapViewOfFileEx failed *.cc mmap.cc: syscall_printf (-1 = mmap(): MapViewOfFileEx failed with %E) ; pinfo.cc: api_fatal (MapViewOfFileEx failed, %E); Hey, that's *very* different! Note the use of the word with in mmap.cc. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Co-Project Leader mailto:[EMAIL PROTECTED] Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Jul 20 21:03, Igor Pechtchanski wrote: On Tue, 20 Jul 2004, Corinna Vinschen wrote: On Jul 20 15:53, Dr. Volker Zell wrote: Well my MapViewOfFileEx errors are still there, but that seems to be a different problem. I tried to reproduce that problem with my shm test application which forks twice, but to no avail. A simple testcase(tm) would be helpful. Corinna Corinna, FWIW, I just saw this error for the first time with the above snapshot (Win2k SP3). The command that triggered it was a cvs diff run from vim (:!cvs diff), if it makes any difference. No idea what caused it, since It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Co-Project Leader mailto:[EMAIL PROTECTED] Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Wed, 21 Jul 2004, Corinna Vinschen wrote: On Jul 20 21:03, Igor Pechtchanski wrote: On Tue, 20 Jul 2004, Corinna Vinschen wrote: On Jul 20 15:53, Dr. Volker Zell wrote: Well my MapViewOfFileEx errors are still there, but that seems to be a different problem. I tried to reproduce that problem with my shm test application which forks twice, but to no avail. A simple testcase(tm) would be helpful. Corinna Corinna, FWIW, I just saw this error for the first time with the above snapshot (Win2k SP3). The command that triggered it was a cvs diff run from vim (:!cvs diff), if it makes any difference. No idea what caused it, since It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Actually, this is what's weird. The messages from open_shared() and fixup_shms_after_fork() are subtly different, and I don't recall the name of the shared region (or, for that matter, anything in single quotes) being printed, so I guess the message came from fixup_shms_after_fork(). I've since tried to reproduce it under strace, and failed. The three times I saw the message, one was from inside cvs.exe, and two were from inside ssh.exe, if that helps any. The next time I get this error, I'll copy/paste the exact message and the exact sequence of actions that led to it. Please let me know what else I can do to help track this down. Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Jul 21 14:47, Igor Pechtchanski wrote: On Wed, 21 Jul 2004, Corinna Vinschen wrote: It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Actually, this is what's weird. The messages from open_shared() and fixup_shms_after_fork() are subtly different, and I don't recall the name of the shared region (or, for that matter, anything in single quotes) being printed, so I guess the message came from fixup_shms_after_fork(). I've since tried to reproduce it under strace, and failed. The three times I saw the message, one was from inside cvs.exe, and two were from inside ssh.exe, if that helps any. The next time I get this error, I'll None of these apps use XSI shared memory. In theory that only can happen if sph_list is not all zero in a forked application. But that should only happen if the parent used XSI shared memory... copy/paste the exact message and the exact sequence of actions that led to it. Please let me know what else I can do to help track this down. Do you have Cygserver running? If yes, does that also happen if it doesn't run or CYGWIN != server? Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Co-Project Leader mailto:[EMAIL PROTECTED] Red Hat, Inc. -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Wed, 21 Jul 2004, Corinna Vinschen wrote: On Jul 21 14:47, Igor Pechtchanski wrote: On Wed, 21 Jul 2004, Corinna Vinschen wrote: It makes a difference. FWIW, Volker's message is printed from a function which only runs in case a process is using XSI shared memory and forks. cvs doesn't use XSI shared memory so the message you saw is very likely emitted by open_shared. Actually, this is what's weird. The messages from open_shared() and fixup_shms_after_fork() are subtly different, and I don't recall the name of the shared region (or, for that matter, anything in single quotes) being printed, so I guess the message came from fixup_shms_after_fork(). I've since tried to reproduce it under strace, and failed. The three times I saw the message, one was from inside cvs.exe, and two were from inside ssh.exe, if that helps any. The next time I get this error, I'll None of these apps use XSI shared memory. In theory that only can happen if sph_list is not all zero in a forked application. But that should only happen if the parent used XSI shared memory... copy/paste the exact message and the exact sequence of actions that led to it. Please let me know what else I can do to help track this down. Do you have Cygserver running? If yes, does that also happen if it doesn't run or CYGWIN != server? Corinna Nope, I don't have cygserver running. My $CYGWIN is check_case:strict ntsec notitle binmode nosmbntsec notty. If you want to put some more debugging info in all the places the above message can appear, I'll use the new snapshot and if I trip the error again, I'll post the output. Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
Re: MapViewOfFileEx errors with cygwin1-20040716 snapshot
On Tue, 20 Jul 2004, Corinna Vinschen wrote: On Jul 20 15:53, Dr. Volker Zell wrote: Well my MapViewOfFileEx errors are still there, but that seems to be a different problem. I tried to reproduce that problem with my shm test application which forks twice, but to no avail. A simple testcase(tm) would be helpful. Corinna Corinna, FWIW, I just saw this error for the first time with the above snapshot (Win2k SP3). The command that triggered it was a cvs diff run from vim (:!cvs diff), if it makes any difference. No idea what caused it, since all of the subsequent invocations of the exact same command (from the same vim session) succeeded. I've been unable to reproduce it since, so this is just a quick confirmation that it's not only Volker's environment. Igor -- http://cs.nyu.edu/~pechtcha/ |\ _,,,---,,_[EMAIL PROTECTED] ZZZzz /,`.-'`'-. ;-;;,_[EMAIL PROTECTED] |,4- ) )-,_. ,\ ( `'-' Igor Pechtchanski, Ph.D. '---''(_/--' `-'\_) fL a.k.a JaguaR-R-R-r-r-r-.-.-. Meow! I have since come to realize that being between your mentor and his route to the bathroom is a major career booster. -- Patrick Naughton -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
