From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wei Liu Subject: Re: kernel BUG at drivers/net/xen-netfront.c:305 Date: Thu, 28 Feb 2013 13:57:08 +0000 Message-ID: <1362059828.2109.97.camel@zion.uk.xensource.com> References: <20130227193752.GA641@isprime.com> <1362054233.2109.90.camel@zion.uk.xensource.com> <512F59AD.2010004@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <512F59AD.2010004@oracle.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: annie li Cc: David Olsen , "konrad.wilk@oracle.com" , wei.liu2@citrix.com, Ian Campbell , "xen-devel@lists.xen.org" List-Id: xen-devel@lists.xenproject.org On Thu, 2013-02-28 at 13:20 +0000, annie li wrote: > 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. > Could be. But this is a kernel without my patches, so I'm suspecting it is a vanilla bug. Wei. > 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 > > >