Floating point in kernel?

Hi The new AMD graphics drivers use floats in kernel space. Upstream Linux code has something like: kernel_fpu_begin(); ... kernel_fpu_end(); Do we have similar functions to save/restore FPU registers? Cheers ___ freebsd-current@freebsd.org mailing

Re: Floating point in kernel?

On Sat, May 26, 2018 at 10:59:50AM +0100, Johannes Lundberg wrote: > Hi > > The new AMD graphics drivers use floats in kernel space. > Upstream Linux code has something like: > kernel_fpu_begin(); > ... > kernel_fpu_end(); > > Do we have similar functions to save/restore FPU registers? Read

Re: Floating point in kernel?

On Sat, May 26, 2018 at 11:11 AM Konstantin Belousov wrote: > On Sat, May 26, 2018 at 10:59:50AM +0100, Johannes Lundberg wrote: > > Hi > > > > The new AMD graphics drivers use floats in kernel space. > > Upstream Linux code has something like: > > kernel_fpu_begin(); > >

r334236 error installkernel (i386)

===> usb/muge (install) install -T release -o root -g wheel -m 555 if_muge.ko /boot/kernel/ install: if_muge.ko: No such file or directory *** Error code 71 Stop. make[5]: stopped in /usr/src/sys/modules/usb/muge *** Error code 1 Stop. make[4]: stopped in /usr/src/sys/modules/usb *** Error

Fatal trap 12

Since upgrading my Lenovo T450 from r333740 to r334167 I'm experiencing several "Fatal traps 12". Before the update i did not have any of those. In all cases the traps occured some time after resume. Below there is some output found in /var/crash/core.txt __curthread () at

Re: Fatal trap 12

On Sat, May 26, 2018, 19:52 Manuel Stühn wrote: > Since upgrading my Lenovo T450 from r333740 to r334167 I'm experiencing > several "Fatal traps 12". Before the update i did not have any of those. > In all cases the traps occured some time after resume. > > Below there

OSS loopback device

Cross post; FreeBSD-[questions | current | ultimedia] Where's the midi loopback device in the FreeBSD OSS implementation? Best, Owen ___ freebsd-current@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe,

Re: Deadlocks / hangs in ZFS

Quoting Steve Wills (from Tue, 22 May 2018 08:17:00 -0400): I may be seeing similar issues. Have you tried leaving top -SHa running and seeing what threads are using CPU when it hangs? I did and saw pid 17 [zfskern{txg_thread_enter}] using lots of CPU but no disk

Re: Fatal trap 12

On Sat, May 26, 2018 at 08:32:17PM +0800, blubee blubeeme wrote: Aren't you the guy using the drm-kmod if yes, your custom complied kernel and not the default kernel causing those issues. Best, Owen I'm indeed using graphics/drm-stable-kmod, but i do not use a custom kernel: uname

RE: ifa_ifwithnet failed ???

From: kmacy...@gmail.com [kmacy...@gmail.com] on behalf of K. Macy [km...@freebsd.org] Sent: Saturday, May 26, 2018 8:20 PM To: Pieper, Jeffrey E Cc: freebsd-current ‎[freebsd-current@freebsd.org]‎ Subject: Re: ifa_ifwithnet failed ??? On Sat, May 26,

ifa_ifwithnet failed ???

I'm seeing this spam dmesg continuously on a build from this afternoon (r334252): May 27 03:06:03 u0855 kernel: ifa_ifwithnet failed May 27 03:06:03 u0855 syslogd: last message repeated 11 times May 27 03:06:03 u0855 kernel: . May 27 03:06:05 u0855 kernel: ifa_ifwithnet failed May 27 03:06:39

Re: ifa_ifwithnet failed ???

My guess is that this is caused by my changes. However, this is the first time I've heard this reported so it would be useful to know how I might reproduce it. Thanks. -M On Sat, May 26, 2018 at 8:33 PM, Pieper, Jeffrey E wrote: > >

RE: ifa_ifwithnet failed ???

From: kmacy...@gmail.com [kmacy...@gmail.com] on behalf of K. Macy [km...@freebsd.org] Sent: Saturday, May 26, 2018 8:35 PM To: Pieper, Jeffrey E Cc: freebsd-current ‎[freebsd-current@freebsd.org]‎ Subject: Re: ifa_ifwithnet failed ??? > My guess is that

bugzilla 213937: not just arm and not just stable/11

I've updated the description and such for: Bug 213937 - stable/11 -r334246 on BPi-M3 (cortex-a7), amd64, and more, also head: ktrace misreports bad svc (SIGSYS) number The primary description is really Comment 2 from Oleksandr Tymoshenko : > This is not ARM specific, the same bug can be

Re: ifa_ifwithnet failed ???

On Sat, May 26, 2018 at 8:17 PM, Pieper, Jeffrey E wrote: > I'm seeing this spam dmesg continuously on a build from this afternoon > (r334252): > > May 27 03:06:03 u0855 kernel: ifa_ifwithnet failed > May 27 03:06:03 u0855 syslogd: last message repeated 11 times > May