On 2015-04-16 à 18:43, Corinna Vinschen wrote: > On Apr 16 18:21, Corinna Vinschen wrote: >> On Apr 16 08:17, Jim Reisert AD1C wrote: >>> I am unable to start Cywin/X X-server 1.17.1 with this version. >>> Previous releases of 2.0.0.x were OK. I had to revert to 1.7.35-1 for >>> the time being. >>> >>> Other than updating to 2.0.0.5, I also installed the April 2015 "Patch >>> Tuesday" updates from Microsoft. I don't know if the two are related. >>> Windows 7 Home Premium, 64-bit >>> >>> Exception: STATUS_ACCESS_VIOLATION at eip=77C50F8A >>> eax=00000000 ebx=612D67B0 ecx=00001000 edx=612D2648 esi=00000000 >>> edi=0028C790 >>> ebp=0028C608 esp=0028C604 program=C:\Cygwin\bin\XWin.exe, pid 1660, thread >>> main >>> cs=0023 ds=002B es=002B fs=0053 gs=002B ss=002B >>> Stack trace: >>> Frame Function Args >>> 0028C608 77C50F8A (00000000, 612D2648, 00000000, 612D67B0) >>> 0028C738 610CDA1F (000043FF, 00000000, 00000000, 80012428) > > On second thought, if I can trust the args output, that would be an > fchmod(0,0). If there's no uid or gid 0, which there isn't unless you > explicitely created them in the passwd/group files, the uid and gid have > no SID connected to. This may be the culprit here. > >> I could add an extra check which refuses to change permissions if >> the account's SID can't be found, but since this occurs very deep >> in the call stack, the error message might be pretty vapid. >> >> Alternatively I just let this slip through and you might wonder >> why the group hasn't changed in this case. > > I added a change to this effect, but it occuurs to me that this may > be really just a missing test if the uid and gid values are backed by > a real Windows account. It seems better to return EPERM here. > I applied the patch indicated (see in https://cygwin.com/ml/cygwin-cvs/2015-q2/msg00033.html) and X11 now works back again.
Thank you 1000 times. Regards, Denis Excoffier. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
