Date: Thu, 14 Nov 2002 10:23:49 -0500 (EST) From: John Baldwin <jhb@FreeBSD.org> To: Kenneth Culver <culverk@yumyumyum.org> Cc: freebsd-hackers@freebsd.org Subject: RE: panic with nvidia drivers (but not sure it's nvidia's fault) Message-ID: <XFMail.20021114102349.jhb@FreeBSD.org> In-Reply-To: <20021113222836.V29813-100000@alpha.yumyumyum.org>
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On 14-Nov-2002 Kenneth Culver wrote: > I'm posting this here because of a panic I'm getting using the FreeBSD > nvidia driver; however, I'm not convinced that this panic is the fault of > the driver, and I wanted to post the backtrace here (from a serial > console, can't see anything on the pc console during this crash since X is > up) just in case it's FreeBSD's fault. > > atomic_clear_short(c1596400,d2ae5a40,1556,1556,d2ae5a40) at > atomic_clear_short+0xb > nv_alloc_pages(c1596400,d2ae5a40,1556,1,1) at nv_alloc_pages+0x37 > __nvsym00150(c17a4000,d2ae5a40,1556,1,1) at __nvsym00150+0x4b > __nvsym00142(c17a4000,c1d00021,d2ae5a40,d2ae5a44,d2ae59e4) at > __nvsym00142+0x120 > __nvsym00153(c1d00021,beef0003,beef0020,3e,2100) at __nvsym00153+0x84 > __nvsym00606(c1596400,c1690a00,27,d2ae5e88,d2ae5d24) at __nvsym00606+0x35b > rm_ioctl(c1596400,c1690a00,27,d2ae5e88,d2ae5d6c) at rm_ioctl+0x17 > nvidia_handle_ioctl(c15ab500,c0284627,d2ae5e88,3,cc322520) at > nvidia_handle_ioctl+0x53 > nvidia_dev_ioctl(c15ab500,c0284627,d2ae5e88,3,cc322520) at > nvidia_dev_ioctl+0x3a > spec_ioctl(d2ae5dc4,d2ae5dac,c01b99b1,d2ae5dc4,d2ae5e54) at > spec_ioctl+0x26 > spec_vnoperate(d2ae5dc4,d2ae5e54,c017cb37,d2ae5dc4,c1867f40) at > spec_vnoperate+0x15 > ufs_vnoperatespec(d2ae5dc4,c1867f40,0,28,c025b000) at > ufs_vnoperatespec+0x15 > vn_ioctl(c1867f40,c0284627,d2ae5e88,cc322520,c0e34700) at vn_ioctl+0x10f > ioctl(cc322520,d2ae5f80,d2ae5f34,c030bd70,cc322520) at ioctl+0x20a > linux_ioctl_nvidia(cc322520,d2ae5f80,cc322520,3,c0314088) at > linux_ioctl_nvidia+0xe > linux_ioctl(cc322520,d2ae5f80,60,bfbfce90,80e9150) at linux_ioctl+0x54 > syscall2(2f,2f,2f,80e9150,bfbfce90) at syscall2+0x16a > > > Fatal trap 12: page fault while in kernel mode > fault virtual address = 0xc1d00025 > fault code = supervisor read, page not present > instruction pointer = 0x8:0xc020f52c > stack pointer = 0x10:0xd2ae5664 > frame pointer = 0x10:0xd2ae5668 > 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 = 172 (ut2003-bin) > interrupt mask = none > kernel: type 12 trap, code=0 > > Any ideas? Looks like it is indeed nvidia's fault. It called atomic_clear_short() with an invalid pointer in nv_alloc_pages(). You might be able to look at nv_alloc_pages() to try and figure out the bug. -- John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve!" - http://www.FreeBSD.org/ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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