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Re: kern/40029 (PCI Matrox G450 vs. mgadrm(4) -> panic)

The following reply was made to PR kern/40029; it has been noted by GNATS.

From: Sergey Svishchev <>
Subject: Re: kern/40029 (PCI Matrox G450 vs. mgadrm(4) -> panic)
Date: Wed, 10 Nov 2010 04:02:32 +0300

 On Sat, Nov 06, 2010 at 10:07:21PM +0000, wrote:
 >Synopsis: PCI Matrox G450 vs. mgadrm(4) -> panic
 >State-Changed-From-To: open->feedback
 >State-Changed-When: Sat, 06 Nov 2010 22:07:20 +0000
 >can you see if sys/external/bsd/drm/dist/bsd-core/drm_drv.c 1.19 fixes
 >this problem for you?  thanks.
 No, still panics:
 #6  0xffffffff806e9247 in trap (frame=0xffff800046967870) at 
 #7  0xffffffff80101081 in calltrap ()
 #8  0xffffffff80498450 in turnstile_block (ts=0xffffffff, q=<value optimized 
out>, obj=<value optimized out>, sobj=0xffffffff80cf9a80)
      at /vol/2/s/src/sys/kern/kern_turnstile.c:298
 #9  0xffffffff8047afa0 in mutex_vector_enter (mtx=0xffff800045d43450) at 
 #10 0xffffffff802603d9 in drm_name_info (name=<value optimized out>, 
namelen=<value optimized out>, oldp=0x7f7fffffbfe0,
      oldlenp=0xffff800046967be8, newp=<value optimized out>, newlen=<value 
optimized out>, oname=0xffff800046967bb0, l=0xffff80004698d9c0,
      rnode=0xffff800002117800) at 
 #11 0xffffffff8048f78b in sysctl_dispatch (name=0xffff800046967bb0, namelen=0, 
oldp=0x7f7fffffbfe0, oldlenp=0xffff800046967be8, newp=0x0,
      newlen=0, oname=0xffff800046967bb0, l=0xffff80004698d9c0, 
rnode=0xffff800002117800) at /vol/2/s/src/sys/kern/kern_sysctl.c:451
 #12 0xffffffff8048fa57 in sys___sysctl (l=0xffff80004698d9c0, 
uap=0xffff800046967c80, retval=<value optimized out>)
      at /vol/2/s/src/sys/kern/kern_sysctl.c:307
 #13 0xffffffff806c18c5 in syscall (frame=0xffff800046967c80) at 
 mgadrm0 at vga0: Matrox G400/G450 (AGP)
 error: [drm:pid0:drm_load] *ERROR* Card isn't AGP, or couldn't initialize AGP.
 Sergey Svishchev

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