From mboxrd@z Thu Jan 1 00:00:00 1970 From: annie li Subject: Re: kernel BUG at drivers/net/xen-netfront.c:305 Date: Thu, 28 Feb 2013 21:20:45 +0800 Message-ID: <512F59AD.2010004@oracle.com> References: <20130227193752.GA641@isprime.com> <1362054233.2109.90.camel@zion.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1362054233.2109.90.camel@zion.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Wei Liu Cc: David Olsen , "konrad.wilk@oracle.com" , Ian Campbell , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On 2013-2-28 20:23, Wei Liu wrote: > Drop Xen-user, add Xen-devel > > Annie, this is the bug report I talked about. Have you encountered this > before? No, I didn't. Probably it is what Konrad hit when he run netperf test with bunch of your patches? I did not check the issue you fixed in Konrad's tree at that time. Thanks Annie > > > Wei. > > On Wed, 2013-02-27 at 19:37 +0000, David Olsen wrote: >> Hello, >> >> I've been having an issue with a particular DomU on a server. The Dom0 runs >> other instances just fine, this particular instance will run just fine for a >> few hours to a few days, then it will just die out with the following error: >> >> --- >> kernel BUG at drivers/net/xen-netfront.c:305! >> invalid opcode: 0000 [#1] SMP >> Modules linked in: >> CPU 0 >> Pid: 0, comm: swapper/0 Not tainted 3.6.6-gentoo #1 >> RIP: e030:[] [] xennet_alloc_rx_buffers+0x1d7/0x2fe >> RSP: e02b:ffff88006da03d80 EFLAGS: 00010286 >> RAX: 00000000000001ff RBX: ffff880066f88000 RCX: 0000000000000001 >> RDX: 0000000000000057 RSI: 0000000000000000 RDI: 0000000000004fc0 >> RBP: 000000000cc1323f R08: 0000000000000000 R09: 00000000000038df >> R10: 00000000000004f1 R11: 0000000000003431 R12: 000000000cc13257 >> R13: ffff8800669c0600 R14: 00000000000004fc R15: 0000000000000057 >> FS: 00007fcb35820740(0000) GS:ffff88006da00000(0000) knlGS:0000000000000000 >> CS: e033 DS: 0000 ES: 0000 CR0: 000000008005003b >> CR2: 00007fcb3052e260 CR3: 000000005aa3a000 CR4: 0000000000042660 >> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 >> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 >> Process swapper/0 (pid: 0, threadinfo ffffffff81586000, task ffffffff81599410) >> Stack: >> 0000000000000056 0000001864b24900 ffff880066f89430 ffff880066f89c80 >> ffff880066f88000 0000000000000001 ffff880066f88758 ffff88006da18d30 >> ffff880066f88000 0000000000000000 ffff88006da03e28 ffffffff812c2a61 >> Call Trace: >> >> [] ? xennet_poll+0xa0a/0xa98 >> [] ? hrtimer_interrupt+0x112/0x1c9 >> [] ? net_rx_action+0x6e/0x139 >> [] ? __do_softirq+0x9c/0x145 >> [] ? __xen_evtchn_do_upcall+0x1b0/0x1ed >> [] ? call_softirq+0x1c/0x30 >> [] ? do_softirq+0x3c/0x7a >> [] ? irq_exit+0x42/0x9a >> [] ? xen_evtchn_do_upcall+0x27/0x32 >> [] ? xen_do_hypervisor_callback+0x1e/0x30 >> >> [] ? hypercall_page+0x3aa/0x1000 >> [] ? hypercall_page+0x3aa/0x1000 >> [] ? xen_safe_halt+0xc/0x13 >> [] ? default_idle+0x23/0x3f >> [] ? cpu_idle+0x60/0xa2 >> [] ? start_kernel+0x32e/0x339 >> [] ? repair_env_string+0x54/0x54 >> [] ? xen_start_kernel+0x465/0x46b >> Code: 45 08 49 c7 45 08 00 00 00 00 48 89 42 08 48 89 10 41 0f b6 d7 49 89 5d 20 48 8d 82 a8 01 00 00 48 83 bc c3 40 07 00 00 00 74 02 <0f> 0b 48 8b 7c 24 18 4c 89 ac c3 40 07 00 00 48 89 14 24 e8 e2 >> RIP [] xennet_alloc_rx_buffers+0x1d7/0x2fe >> RSP >> ---[ end trace 77f364e88037c131 ]--- >> Kernel panic - not syncing: Fatal exception in interrupt >> --- >> >> Here's the config for that instance: >> kernel = "/xen/kernels/kernel-linux-3.6.11-domU" >> memory = 6144 >> maxmem = 16384 >> maxvcpus = 24 >> vcpus = 2 >> name = "REDACTED" >> disk = ['phy:/dev/vg/REDACTED-root,sda1,w','phy:/dev/swap/REDACTED-swap,sdb1,w'] >> root = "/dev/xvda1 ro" >> extra = "console=hvc0 xencons=tty" >> vif = [ 'bridge=eth0,mac=00:16:3e:52:ca:47', 'bridge=eth1,mac=00:16:3e:d4:b7:d8' ] >> >> It's just a basic LAMP setup, with the MySQL being external to the instance. >> >> Running xen version 4.2.0 on a Gentoo Linux box. >> >> Let me know if the error looks familiar to anyone, or if there is any more >> information I can provide. >> >> -d >> >> >> _______________________________________________ >> Xen-users mailing list >> Xen-users@lists.xen.org >> http://lists.xen.org/xen-users >