Bug 80718
| Summary: | DRM 1.16.0 + SMP causes an instant reboot when launching X | ||||||
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| Product: | Base System | Reporter: | Adam K Kirchhoff <adamk> | ||||
| Component: | kern | Assignee: | Eric Anholt <anholt> | ||||
| Status: | Closed FIXED | ||||||
| Severity: | Affects Only Me | ||||||
| Priority: | Normal | ||||||
| Version: | 6.0-CURRENT | ||||||
| Hardware: | Any | ||||||
| OS: | Any | ||||||
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Responsible Changed From-To: gnats-admin->freebsd-bugs Rescue this PR from the 'pending' category. Responsible Changed From-To: freebsd-bugs->anholt Assign to DRM maintainer I recall the panic in IRC referencing vm_thread_new(). What is the relation of that panic to this one? This one appears to be a dupe of i386/77189. The solution to that one is to not map the framebuffer. I don't know why we are, and I'm also not sure why it would have recently become an issue (unless I botched something with initmap changes). -- Eric Anholt eta@lclark.edu http://people.freebsd.org/~anholt/ anholt@FreeBSD.org As discussed on IRC, I've proposed a patch to fix this: http://people.freebsd.org/~anholt/drm-initmap-mapping.diff and attached. X starts on my testbox with this patch, and I think it should fix the issue, but I haven't run any dri clients (libpthread is hosed on this box) and I don't have a 128MB radeon to test with. -- Eric Anholt eta@lclark.edu http://people.freebsd.org/~anholt/ anholt@FreeBSD.org State Changed From-To: open->closed This should be fixed on -current. Thanks for all the testing! |
On -CURRENT, launching X with DRI enabled on an SMP kernel causes a kernel crash. This also happens with -STABLE and DRM 1.16.0. Serial console (from -CURRENT) output shows: drm0: <ATI Radeon If R250 9000> port 0xb000-0xb0ff mem 0xd0000000-0xdfffffff,0xe9000000-0xe900ffff irq 16 at device 0.0 on pci1 info: [drm] AGP at 0xe0000000 128MB info: [drm] Initialized radeon 1.16.0 20050311 on minor 0 panic: pmap_mapdev: Couldn't alloc kernel virtual memory cpuid = 1 Uptime: 49s Cannot dump. No dump device defined. Automatic reboot in 15 seconds - press a key on the console to abort Using a UP kernel works! Fix: Unknown How-To-Repeat: Upgrade to -CURRENT on an SMP machine with DRI enabled on a radeon. Launch X.