SMP panic

[Kostik Belousov]

On Fri, May 11, 2007 at 02:05:55PM +1200, Andrew Thompson wrote:
> Hi,
> 
> 
> I am having the following panic on my dual p3-500 box. I have tracked it
> back to this commit[1], a HEAD cvs checkout of '2006-12-06 06:30 UTC' works
> and '2006-12-06 06:35 UTC' panics. Removing SMP also avoids this panic.
> 
>  Fatal trap 12: page fault while in kernel mode
>  Stopped at      uma_zalloc_arg+0x31:    pushl   0(%esi)
...
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address	= 0x0
> fault code		= supervisor read, page not present
> instruction pointer	= 0x20:0xc07e1b19
> stack pointer	        = 0x28:0xd3b38c6c
> frame pointer	        = 0x28:0xd3b38c78
> code segment		= base 0x0, limit 0xfffff, type 0x1b
> 			= DPL 0, pres 1, def32 1, gran 1
> processor eflags	= interrupt enabled, resume, IOPL = 0
> current process		= 1 (swapper)
> [thread pid 1 tid 100007 ]
> Stopped at      uma_zalloc_arg+0x31:    pushl   0(%esi)
> db> tr
> Tracing pid 1 tid 100007 td 0xc298d360
> uma_zalloc_arg(0,0,2) at uma_zalloc_arg+0x31
> vfs_mount_alloc(0,c09a6940,c0913d40,c298d360,c0661a14,...) at vfs_mount_alloc+0x18
> devfs_first(c0661a14,c0661a14,0,d3b38d04,c0661a5f,...) at devfs_first+0x36
> vfs_mountroot(c298f000,c298d360,0,c0879c93,20,...) at vfs_mountroot+0x3e
> start_init(0,d3b38d38) at start_init+0x4b
> fork_exit(c0661a14,0,d3b38d38) at fork_exit+0xa8
> fork_trampoline() at fork_trampoline+0x8
> --- trap 0x1, eip = 0, esp = 0xd3b38d6c, ebp = 0 ---
> db> 
Creation of mount_zone in vfs_mount_root() failed, no idea why.
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