[Bug 36952] segfault in crackberg xscreensaver on ATI RS482 in mesa git running kms & gallium

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=36952

--- Comment #15 from dri tester <writemeanddie at hotmail.com> 2011-05-16 06:56:39 PDT ---
(In reply to comment #14)
> Created an attachment (id=46763)
 View: https://bugs.freedesktop.org/attachment.cgi?id=46763
 Review: https://bugs.freedesktop.org/review?bug=36952&attachment=46763

> fix for crackberg performance and segfaulting on rs482

Hmmmm, the lateset patch with a value of 32 * 1024 fixes crackberg but now
antmaze gives me:
radeon: The kernel rejected CS, see dmesg for more information.

and dmesg says:
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
radeon 0000:01:05.0: (PW 2) Vertex array 0 need 8436 dwords have 8192 dwords
[drm:radeon_cs_ioctl] *ERROR* Invalid command stream !
antmaze[13259]: segfault at 4 ip b5b57000 sp bfd14fcc error 6

I will play with the values some more.

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