Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Brooks Davis
On Mon, Dec 17, 2018 at 03:58:05PM -0500, Kurt Lidl wrote: > Alexander Lochmann writes: > > According to git commit e3089a (https://reviews.freebsd.org/D1463) > > FreeBSD 12.0 i386 uses separate address spaces for kernel and user > > space. So basically two memory areas, one in each space, can have

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Konstantin Belousov
On Tue, Dec 18, 2018 at 08:34:25AM +, Brooks Davis wrote: > On Mon, Dec 17, 2018 at 03:58:05PM -0500, Kurt Lidl wrote: > > Alexander Lochmann writes: > > > According to git commit e3089a (https://reviews.freebsd.org/D1463) > > > FreeBSD 12.0 i386 uses separate address spaces for kernel and user

Re: mps and LSI SAS2308: controller resets on 12.0 - IOC Fault 0x40000d04, Resetting

2018-12-18 Thread Jan Martin Mikkelsen
> On 17 Dec 2018, at 20:14, Mike Tancsa wrote: > > On 12/17/2018 10:52 AM, Mark Martinec wrote: >> Anyone else seen problems with mps driver and LSI SAS2308 controller? >> >> (btw, on another machine the mps driver with LSI SAS2004 is working >> just fine under 12.0) > > > Sort of ran into th

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Alexander Lochmann
Am 18.12.18 um 06:27 schrieb Konstantin Belousov: > On Mon, Dec 17, 2018 at 02:51:48PM +0100, Alexander Lochmann wrote: >> Hi folks! >> >> According to git commit e3089a (https://reviews.freebsd.org/D1463) >> FreeBSD 12.0 i386 uses separate address spaces for kernel and user >> space. So basically

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Konstantin Belousov
On Tue, Dec 18, 2018 at 10:16:35AM +0100, Alexander Lochmann wrote: > Am 18.12.18 um 06:27 schrieb Konstantin Belousov: > > On Mon, Dec 17, 2018 at 02:51:48PM +0100, Alexander Lochmann wrote: > >> Hi folks! > >> > >> According to git commit e3089a (https://reviews.freebsd.org/D1463) > >> FreeBSD 12

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Alexander Lochmann
>> Some context: We are doing VM-based tracing in the FreeBSD kernel. For >> that, we observe parts of the kernel memory (allocations, accesses,...). >> Before 12.0 we simply knew that kernel addresses that we logged were >> unique. Moreover, when a memory access to a region of interest happened >

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Konstantin Belousov
On Tue, Dec 18, 2018 at 11:22:53AM +0100, Alexander Lochmann wrote: > > >> Some context: We are doing VM-based tracing in the FreeBSD kernel. For > >> that, we observe parts of the kernel memory (allocations, accesses,...). > >> Before 12.0 we simply knew that kernel addresses that we logged were

Re: Address Collision using i386 4G/4G Memory Split

2018-12-18 Thread Alexander Lochmann
On 18.12.18 11:32, Konstantin Belousov wrote: > On Tue, Dec 18, 2018 at 11:22:53AM +0100, Alexander Lochmann wrote: >> Some context: We are doing VM-based tracing in the FreeBSD kernel. For that, we observe parts of the kernel memory (allocations, accesses,...). Before 12.0 we simp

Re: mps and LSI SAS2308: controller resets on 12.0 - IOC Fault 0x40000d04, Resetting

2018-12-18 Thread Mike Tancsa
On 12/18/2018 4:05 AM, Jan Martin Mikkelsen wrote: >> On 17 Dec 2018, at 20:14, Mike Tancsa wrote: >> >> On 12/17/2018 10:52 AM, Mark Martinec wrote: >>> Anyone else seen problems with mps driver and LSI SAS2308 controller? >>> >>> (btw, on another machine the mps driver with LSI SAS2004 is workin

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sporadic core dumps in 12.0-RELEASE

2018-12-18 Thread Chuck Tuffli
Hi When running 12.0-RELEASE in bhyve, nvmecontrol will core dump sporadically in rtld. This is repeatable, but doesn't happen every time. Peeking at rlock_acquire(), the function checks for a NULL lockstate and then dereferences the lock. The backtrace (below) suggests the lock is NULL but the lo

Re: sporadic core dumps in 12.0-RELEASE

2018-12-18 Thread Konstantin Belousov
On Tue, Dec 18, 2018 at 07:34:33AM -0800, Chuck Tuffli wrote: > Hi > > When running 12.0-RELEASE in bhyve, nvmecontrol will core dump sporadically > in rtld. This is repeatable, but doesn't happen every time. Peeking at > rlock_acquire(), the function checks for a NULL lockstate and then > derefer

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Upgrading 11.2 -> 12.0 on EC2

2018-12-18 Thread Brian Neal
Hello, I’m looking for advice on doing a release upgrade of a running instance. It looks like the normal procedure using freebsd-update requires a reboot between invocations of the install command, but after the first reboot, most of the userland is non-functional, including most importantly s