Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S269699AbUINVXY (ORCPT ); Tue, 14 Sep 2004 17:23:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S269692AbUINVUr (ORCPT ); Tue, 14 Sep 2004 17:20:47 -0400 Received: from vapor.arctrix.com ([66.220.1.99]:61452 "HELO vapor.arctrix.com") by vger.kernel.org with SMTP id S266175AbUINVNC (ORCPT ); Tue, 14 Sep 2004 17:13:02 -0400 Date: Tue, 14 Sep 2004 17:13:01 -0400 From: Neil Schemenauer To: Marcelo Tosatti Cc: linux-kernel@vger.kernel.org Subject: Re: Possible dcache BUG: debugging patch Message-ID: <20040914211301.GA18197@mems-exchange.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2362 Lines: 68 Hi Marcelo, One of our AMD K7 machines seems to be running into the dcache bug. I'm attaching the oops trace. Is it possible to apply your BUG patch to the 2.6.7 or 2.6.8.1 kernel or should I use 2.6.9-rc1-mm5? Best regards, Neil ====================================================================== Unable to handle kernel paging request at virtual address 705f6573 printing eip: c01539c6 *pde = 00000000 Oops: 0002 [#1] Modules linked in: via_rhine crc32 binfmt_capwrap CPU: 0 EIP: 0060:[prune_dcache+38/288] Not tainted EFLAGS: 00010212 (2.6.7) EIP is at prune_dcache+0x26/0x120 eax: c038edd4 ebx: c0601ec4 ecx: c8601e50 edx: 705f6573 esi: c05e8be0 edi: 00000061 ebp: f7ffea48 esp: f7d92f0c ds: 007b es: 007b ss: 0068 Process kswapd0 (pid: 32, threadinfo=f7d92000 task=f7dc6050) Stack: 00000080 00000000 f7d92000 c0153d92 c0131417 02c47800 00000000 00030260 000000eb 00000000 000000d0 000000c0 c038dca4 00000001 0000000a c038db80 c01324b3 00000000 f7d92f9c 000000a0 00000000 000000c0 000000c0 000000c0 Call Trace: [shrink_dcache_memory+18/32] shrink_dcache_memory+0x12/0x20 [shrink_slab+311/368] shrink_slab+0x137/0x170 [balance_pgdat+419/496] balance_pgdat+0x1a3/0x1f0 [kswapd+182/192] kswapd+0xb6/0xc0 [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50 [autoremove_wake_function+0/80] autoremove_wake_function+0x0/0x50 [kswapd+0/192] kswapd+0x0/0xc0 [kernel_thread_helper+5/24] kernel_thread_helper+0x5/0x18 Code: 89 02 89 49 04 89 09 a1 d8 ed 38 c0 0f 18 00 90 ff 0d e0 ed $ cat /proc/cpuinfo processor : 0 vendor_id : AuthenticAMD cpu family : 6 model : 8 model name : AMD Athlon(TM) XP 2400+ stepping : 1 cpu MHz : 2001.026 cache size : 256 KB fdiv_bug : no hlt_bug : no f00f_bug : no coma_bug : no fpu : yes fpu_exception : yes cpuid level : 1 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse syscall mmxext 3dnowext 3dnow bogomips : 3956.73 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/