Date: Fri, 12 Aug 2011 17:15:02 +0400 From: Test Rat <ttsestt@gmail.com> To: Alexander Best <arundel@freebsd.org> Cc: freebsd-current@freebsd.org Subject: Re: recent commit causes lock up Message-ID: <86obzuydnt.fsf@gmail.com> In-Reply-To: <20110812101627.GA1848@freebsd.org> (Alexander Best's message of "Fri, 12 Aug 2011 10:16:27 %2B0000") References: <20110812101627.GA1848@freebsd.org>
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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.
%%
--- 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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