From mboxrd@z Thu Jan 1 00:00:00 1970 From: John Weekes Subject: Re: credit2 domU freeze at "Writing SMBIOS tables ..." Date: Thu, 28 Apr 2011 09:25:55 -0700 Message-ID: <4DB99513.4040404@nuclearfallout.net> References: <4DADF781.7070004@nuclearfallout.net> <1303815713.1955.20223.camel@elijah> <4DB6F6AF.7060909@nuclearfallout.net> <1303837366.1955.21010.camel@elijah> <4DB727E6.5000208@nuclearfallout.net> <4DB85157.3050406@nuclearfallout.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: George Dunlap Cc: "xen-devel@lists.xensource.com" , Keir Fraser List-Id: xen-devel@lists.xenproject.org On 4/28/2011 6:10 AM, George Dunlap wrote: > Is this just using credit2, or does it do the same thing under credit1? I just re-tested with credit1, and it seems to do the same thing with debug=y (on xen-unstable), you're right. On 4.1 with debug=n and credit1, which is my normal configuration, it doesn't appear to happen, or at least didn't happen over the 10 attempts that I just made (it could be a rare problem on that setup). I may have to do some additional testing with 4.1 credit2, 4.1 debug=y, and unstable debug=n, but it's good that you're seeing something reproducible on your end, at least (and with debug=y). > On my box, stubdoms with a 4-vcpu guest on credit1 fail too, with this > output on the console: > > xs_read_watch() -> /local/domain/3/log-throttling /local/domain/3/log-throttling > xs_read(/local/domain/3/log-throttling): ENOENT > (XEN) HVM3: HVM Loader > xs_read_watch() -> /local/domain/0/backend/console/3 be:0x13fb66:3:0x154240 > (XEN) HVM3: Detected Xen v4.2-unstable > Page fault at linear address 0x10, eip 0x49d9, regs 0x3cfb3c, sp 0x0, > our_sp 0x3cfb18, code 0 > (XEN) HVM3: Xenbus rings @0xfeffc000, event channel 5 > Thread: main > (XEN) HVM3: System requested ROMBIOS > EIP: 49d9, EFLAGS 10202. > (XEN) HVM3: CPU speed is 1995 MHz > EBX: 00000000 ECX: 001589b0 EDX: 00000000 > ESI: 0000000c EDI: 0000000c EBP: 003cfbb8 EAX: 00000000 > DS: e021 ES: e021 orig_eax: ffffffff, eip: 000049d9 > CS: e019 EFLAGS: 00010202 esp: 00000000 ss: 3cfba4 > base is 0x3cfbb8 caller is 0x24bd3 > base is 0x3cfbf8 caller is 0x9814 > base is 0x3cfe88 caller is 0xe8e91 > base is 0x3cfff0 caller is 0x31ad > > 3cfba0: 00 00 00 00 28 15 00 00 00 00 00 00 0a 00 00 00 > 3cfbb0: 67 96 13 00 e8 fb 3c 00 f8 fb 3c 00 d3 4b 02 00 > 3cfbc0: 00 00 00 00 51 e5 01 00 00 00 00 00 00 00 00 00 > 3cfbd0: 00 00 00 00 cb 96 13 00 78 94 00 82 03 00 00 00 > > 49c0: c8 c1 e8 05 83 e1 1f 8b 44 85 ec d3 f8 a8 01 74 > 49d0: 0e 8b 43 14 89 04 24 ff d2 83 7b 10 00 75 23 8b > 49e0: 53 0c 85 d2 74 1c 8b 0b 89 c8 c1 e8 05 83 e1 1f > 49f0: 8b 44 85 e4 d3 f8 a8 01 74 08 8b 43 14 89 04 24 > Pagetable walk from virt 10, base 371000: > L3 = 00000000b074f027 (0x372000) [offset = 0] > L2 = 00000000b074d067 (0x374000) [offset = 0] > L1 = 0000000000000000 [offset = 0] I'm not seeing that one yet. -John