Date: Fri, 12 Aug 2011 15:56:23 +0000 From: Alexander Best <arundel@freebsd.org> To: Test Rat <ttsestt@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: recent commit causes lock up Message-ID: <20110812155623.GA54228@freebsd.org> In-Reply-To: <86obzuydnt.fsf@gmail.com> References: <20110812101627.GA1848@freebsd.org> <86obzuydnt.fsf@gmail.com>
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On Fri Aug 12 11, Test Rat wrote: > Alexander Best <arundel@freebsd.org> writes: > > > hi there, > > > > running r224715 i'm having no problems what so ever. after upgrading my kernel > > to r224784, i'm experiencing fatal lock ups, where only a hard reset will > > resolve the problem. > > > > the lock up happend two times while running chromium with only a decent number > > of tabs (~ 5). also the lock up occured only after ~ 5 minutes uptime and an > > uptime of chromium of only ~ 2 minutes. > > > > i've now reverted my kernel back to r224715 and everything's working again. > > Do you use x11/nvidia-driver? In r224778 fget(9) KPI changed which broke > the port in src/nvidia_linux.c:linux_ioctl_nvidia(). It's probably only > called when using linuxolator, e.g. flash plugin. Try below workaround. thanks. i just tried your patch and indeed: the nvidia driver was causing the freeze. that should teach me a lessing always to compile 3rd party kernel modules in combination with installing a new kernel. ;) > > %% > --- src/nvidia_linux.c~ > +++ src/nvidia_linux.c > @@ -26,6 +26,8 @@ > #include "machine/../linux32/linux32_proto.h" > #endif > > +#include <sys/capability.h> > + > int linux_ioctl_nvidia(d_thread_t *, struct linux_ioctl_args *); > > int linux_ioctl_nvidia( > @@ -37,7 +39,7 @@ int linux_ioctl_nvidia( > int error; > u_long cmd; > > - if ((error = fget(td, args->fd, &fp)) != 0) > + if ((error = fget(td, args->fd, CAP_IOCTL, &fp)) != 0) > return error; > > cmd = args->cmd; > %%
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