Date: Tue, 8 Mar 2016 15:18:40 +0300 From: Chagin Dmitry <dchagin@freebsd.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: Nils Beyer <nbe@renzel.net>, freebsd-emulation@freebsd.org Subject: Re: citrix_ica - "wfica" generates deadlock in linux_sys_futex... Message-ID: <20160308121840.GA33240@chd.heemeyer.club> In-Reply-To: <20160308115018.GM67250@kib.kiev.ua> References: <1710849.HCaPmFIAXo@asbach.renzel.net> <20160308075527.GA29364@chd.heemeyer.club> <1794078.TnZCHkfeGo@asbach.renzel.net> <20160308085140.GA30833@chd.heemeyer.club> <2225619.DhA8sIh2h8@asbach.renzel.net> <20160308093009.GA31396@chd.heemeyer.club> <20160308115018.GM67250@kib.kiev.ua>
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On Tue, Mar 08, 2016 at 01:50:18PM +0200, Konstantin Belousov wrote: > On Tue, Mar 08, 2016 at 12:30:10PM +0300, Chagin Dmitry wrote: > > > > in new kernel: > > > > 1828 100750 wfica 0.000031 CALL L32 linux_ipc(0x2,0x1e240,0x1,0x7b6,0,0x2d4cb598) > > 1828 100750 wfica 0.000010 RET L32 linux_ipc -1 errno 17 File exists > > 1828 100750 wfica 0.000008 CALL L32 linux_ipc(0x2,0x1e240,0x1,0x1b6,0,0x2d4cb598) > > 1828 100750 wfica 0.000007 RET L32 linux_ipc 65536/0x10000 > > > > this is strange as no ipc changes are made in stable/10 > > There was one interesting change, AFAIR. > > Check the value of sysctl kern.ipc.shm_allow_removed, and if it's value > is one, change it to zero. trasz@ did not merged r289112 to the stable/10
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