From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roberto Gonzalez Azevedo Subject: Re: Error with NFS and XEN (High network load) Date: Wed, 16 Aug 2006 13:18:42 -0300 Message-ID: <44E34562.6000609@censanet.com.br> References: <44E25187.5030003@censanet.com.br> <20060816144424.GA31084@cockermouth.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20060816144424.GA31084@cockermouth.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Roberto Gonzalez Azevedo , xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Emmanuel Ackaouy wrote: > Roberto, > > I can't reproduce this on tip unstable. Tried both fragmented > UDP tx with ttcp and same NFS dd recipe with NFS over UDP and > 8k r/w size. I even tried NFSoverTCP for good measure (since > your recipe didn't explicitly mount -o udp). > > I notice you are running 2.6.16.27. Which xen linux patches > did you apply? Which changeset of xen-unstable? > I'm using 2.6.16.13 and the latest Xen Unstable. Typing error. Sorry, :) Using the unstable, only crashes in domU, but xend dies and dom0 not crash. Using the stable version, crashes in all domains (dom0 e domU). How to apply the latest gso patches ? Thanks. - ---------------------------- Roberto Gonzalez Azevedo > I wonder what versions of netfront and netback you're using. > Have you tried tip of unstable with the latest gso patches? > > Emmanuel. > > On Tue, Aug 15, 2006 at 07:58:15PM -0300, Roberto Gonzalez Azevedo wrote: >> Here is the crash: >> root@dom0:# xm console machine >> " >> Unable to handle kernel NULL pointer dereference at virtual address 00000115 >> printing eip: >> *pde = ma 00000000 pa fffff000 >> Oops: 0002 [#1] >> SMP >> Modules linked in: >> CPU: 0 >> EIP: 0061:[] Not tainted VLI >> EFLAGS: 00010086 (2.6.16.27-xenU_09-08-2006 #3) >> EIP is at network_tx_buf_gc+0xdb/0x277 >> eax: 00000095 ebx: 00000087 ecx: c0508c54 edx: 00000000 >> esi: c0508380 edi: 00000085 ebp: c0499e98 esp: c0499e70 >> ds: 007b es: 007b ss: 0069 >> Process swapper (pid: 0, threadinfo=c0498000 task=c0434500) >> Stack: <0>c0508c54 00000000 c0498000 c0508000 00026c3f 00026c8b 00026c6e >> 00000000 >> c0508408 c0508380 c0499eac c02fa230 c7d98a40 00000000 00000000 >> c0499ed4 >> c013c911 00000107 c0508000 c0499f3c c0499f3c 00000107 00008380 >> c048d780 >> Call Trace: >> [] show_stack_log_lvl+0xb9/0x103 >> [] show_registers+0x19c/0x232 >> [] die+0x116/0x233 >> [] do_page_fault+0x4e8/0x8cc >> [] error_code+0x2b/0x30 >> [] netif_int+0x29/0x121 >> [] handle_IRQ_event+0x3c/0xac >> [] __do_IRQ+0x8c/0xef >> [] do_IRQ+0x1d/0x29 >> [] evtchn_do_upcall+0x94/0xc8 >> [] hypervisor_callback+0x3d/0x48 >> [] xen_idle+0x2d/0x53 >> [] cpu_idle+0x6b/0xb6 >> [] rest_init+0x35/0x37 >> [] start_kernel+0x2e7/0x392 >> [] 0xc010006f >> Code: 89 44 24 04 89 14 24 e8 cf 54 ff ff c7 84 9e d8 08 00 00 00 00 00 >> 00 8b 86 d0 00 00 00 89 84 9e d0 00 00 00 89 9e d0 00 00 00 90 8f >> 90 00 00 00 0f 94 c0 84 c0 75 4e 8b 4e 74 83 45 f0 01 8b >> <0>Kernel panic - not syncing: Fatal exception in interrupt >> " >> >> And the domU dies ... >> >> Is it a bug ? >> I have reported it in bugzilla as Bug id # 735. >> Dom0 crashes using Xen Stable (3.0.2.2). > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFE40ViF+EMwkXLsEwRAg+HAJ4pqBYC1PDIJf+xzAPMFTzbN2d5lQCcCcID kaKigAVdThbevwc3+KiQ9So= =DsGl -----END PGP SIGNATURE-----