Date: Mon, 30 Jun 2014 13:01:07 +0900 From: "Lundberg, Johannes" <johannes@brilliantservice.co.jp> To: FreeBSD Current <freebsd-current@freebsd.org> Cc: Hans Petter Selasky <hps@selasky.org>, Fredrik Lindberg <fli@shapeshifter.se> Subject: Re: ucom_free Fatal trap on shutdown / module unload Message-ID: <CAASDrVnGMb81FxfJBQrdYwf_W=mpd=xvfgWTneOuuL=9cexDOA@mail.gmail.com> In-Reply-To: <53AED789.9070504@selasky.org> References: <CAASDrVkFfhyU8Jb4EB%2B4V32skfFijX9TKLSysjGK=0ye=G9GgA@mail.gmail.com> <53A3E81B.5050805@selasky.org> <CAASDrVnpVgmP4zg0jbqAc197DnX5_bgWRE3pA08foRMF6N9WVQ@mail.gmail.com> <53A79732.6060705@selasky.org> <CAASDrVkBjqoKFTF48Vyv3dRRUxKfVpCZ5uMjb7P%2BMy_tnGOF7w@mail.gmail.com> <53A90116.7040306@selasky.org> <CAASDrVnfxR40OsJLRLQUfyzhBHuHynYAqmaq=9EBUxZHMUCYnw@mail.gmail.com> <CAASDrVmYCdZ8UOsp7yESpi2KBDvQgG2HvSGrWGUyiETcpz7Y_g@mail.gmail.com> <53A907E9.5020007@selasky.org> <CAASDrVkPK0M2caZ0wmfwJrTGF5h99-4s71KfuRcNFEOcWtAqCA@mail.gmail.com> <53A9C37A.7030803@selasky.org> <CAASDrV=CDX4mSdZRNcSgNgWWscntt8xd4a2sfGnKuBmPKkd-%2BA@mail.gmail.com> <53AA5A0E.1050704@selasky.org> <CAASDrV=a0kc0QAxa3MuVq1qvfW_yun%2BeUr0E360oCsPF7tWTvg@mail.gmail.com> <53AC8C21.6080504@selasky.org> <CAASDrV=AupNhXrXQfoecidm4sWokxrG4qfa3tMJ4raYQUSaJEA@mail.gmail.com> <53AD01C6.1080005@selasky.org> <CAASDrVnezuH4iyAU5CbBZdWziVxgmoa7EuBX1ESNB7kXN5w4vA@mail.gmail.com> <53AED789.9070504@selasky.org>
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As I mention in earlier mail, it is when I comment out following lines it works # For full debugger support use (turn off in stable branch): options DDB # Support DDB. options GDB # Support remote GDB. options DEADLKRES # Enable the deadlock resolver options INVARIANTS # Enable calls of extra sanity checking options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS options WITNESS # Enable checks to detect deadlocks and cycles options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed options MALLOC_DEBUG_MAXZONES=3D8 # Separate malloc(9) zones I have tried different levels of debugging and I have narrowed it down to INVARIANTS. That is # For full debugger support use (turn off in stable branch): #options DDB # Support DDB. #options GDB # Support remote GDB. #options DEADLKRES # Enable the deadlock resolver #options INVARIANTS # Enable calls of extra sanity checking #options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS #options WITNESS # Enable checks to detect deadlocks and cycles #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed #options MALLOC_DEBUG_MAXZONES=3D8 # Separate malloc(9) zones works but the following crashes when unloading uhso. # For full debugger support use (turn off in stable branch): #options DDB # Support DDB. #options GDB # Support remote GDB. #options DEADLKRES # Enable the deadlock resolver options INVARIANTS # Enable calls of extra sanity checking options INVARIANT_SUPPORT # Extra sanity checks of internal structures, required by INVARIANTS #options WITNESS # Enable checks to detect deadlocks and cycles #options WITNESS_SKIPSPIN # Don't run witness on spinlocks for speed #options MALLOC_DEBUG_MAXZONES=3D8 # Separate malloc(9) zones -- Johannes Lundberg BRILLIANTSERVICE CO., LTD. On Sat, Jun 28, 2014 at 11:56 PM, Hans Petter Selasky <hps@selasky.org> wrote: > On 06/28/14 08:59, Lundberg, Johannes wrote: > >> The problem exists already from Revision *239180* >> <http://svnweb.freebsd.org/base?view=3Drevision&revision=3D239180>; where= ucom >> >> was introduced.. Also observe that it only crashes when full debugging i= s >> enabled. No problems with debugging off (release settings in kernel conf= ). >> >> > Interesting. > > You mean USB_DEBUG is defined or hw.usb.ucom.debug is set? > > --HPS > > --=20 =3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D= -=3D-=3D-=3D-=3D-=3D-=3D-=3D-=3D- =E7=A7=98=E5=AF=86=E4=BF=9D=E6=8C=81=E3=81=AB=E3=81=A4=E3=81=84=E3=81=A6=EF= =BC=9A=E3=81=93=E3=81=AE=E9=9B=BB=E5=AD=90=E3=83=A1=E3=83=BC=E3=83=AB=E3=81= =AF=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E3=81=AB=E9=80=81=E4=BF=A1=E3=81=97= =E3=81=9F=E3=82=82=E3=81=AE=E3=81=A7=E3=81=82=E3=82=8A=E3=80=81=E7=A7=98=E5= =8C=BF=E7=89=B9=E6=A8=A9=E3=81=AE=E5=AF=BE=E8=B1=A1=E3=81=A8=E3=81=AA=E3=82= =8B=E6=83=85=E5=A0=B1=E3=82=92=E5=90=AB=E3=82=93=E3=81=A7=E3=81=84=E3=81=BE= =E3=81=99=E3=80=82 =E3=82=82=E3=81=97=E3=80=81=E5=90=8D=E5=AE=9B=E4=BA=BA=E4=BB=A5=E5=A4=96=E3= =81=AE=E6=96=B9=E3=81=8C=E5=8F=97=E4=BF=A1=E3=81=95=E3=82=8C=E3=81=9F=E5=A0= =B4=E5=90=88=E3=80=81=E3=81=93=E3=81=AE=E3=83=A1=E3=83=BC=E3=83=AB=E3=81=AE= =E7=A0=B4=E6=A3=84=E3=80=81=E3=81=8A=E3=82=88=E3=81=B3=E3=81=93=E3=81=AE=E3= =83=A1=E3=83=BC=E3=83=AB=E3=81=AB=E9=96=A2=E3=81=99=E3=82=8B=E4=B8=80=E5=88= =87=E3=81=AE=E9=96=8B=E7=A4=BA=E3=80=81 =E8=A4=87=E5=86=99=E3=80=81=E9=85=8D=E5=B8=83=E3=80=81=E3=81=9D=E3=81=AE=E4= =BB=96=E3=81=AE=E5=88=A9=E7=94=A8=E3=80=81=E3=81=BE=E3=81=9F=E3=81=AF=E8=A8= =98=E8=BC=89=E5=86=85=E5=AE=B9=E3=81=AB=E5=9F=BA=E3=81=A5=E3=81=8F=E3=81=84= =E3=81=8B=E3=81=AA=E3=82=8B=E8=A1=8C=E5=8B=95=E3=82=82=E3=81=95=E3=82=8C=E3= =81=AA=E3=81=84=E3=82=88=E3=81=86=E3=81=8A=E9=A1=98=E3=81=84=E7=94=B3=E3=81= =97=E4=B8=8A=E3=81=92=E3=81=BE=E3=81=99=E3=80=82 --- CONFIDENTIALITY NOTE: The information in this email is confidential and intended solely for the addressee. Disclosure, copying, distribution or any other action of use of this email by person other than intended recipient, is prohibited. If you are not the intended recipient and have received this email in error, please destroy the original message.
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