From: Andrew Cooper <andrew.cooper3@citrix.com>
To: Sander Eikelenboom <linux@eikelenboom.it>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
Jan Beulich <JBeulich@suse.com>
Cc: Xen-devel List <xen-devel@lists.xen.org>
Subject: Re: Xen-unstable: xen panic RIP: dpci_softirq
Date: Fri, 14 Nov 2014 13:32:23 +0000 [thread overview]
Message-ID: <54660467.5060707@citrix.com> (raw)
In-Reply-To: <193010671.20141114141112@eikelenboom.it>
On 14/11/14 13:11, Sander Eikelenboom wrote:
> Hi Konrad / Jan,
>
> One of these commits:
> - aeeea485bcfe2a517ed9bcb3ba1c3be0f6824e07 dpci: move from an hvm_irq_dpci (and struct domain) to an hvm_dirq_dpci model
> - f6dd295381f4b6a66acddacf46bca8940586c8d8 pci: replace tasklet with softirq
>
> gives (running under 5 minutes of host boot, on AMD hardware and with guest with
> pci passthrough) the splat below.
>
> --
> Sander
I was hoping to get a chance to test this as well, but am currently
blocked on other issues.
Would you mind giving it a go at c/s aeeea485? It is highly likely that
the bug is in f6dd295, but it would be nice to confirm that it want a
bug in the (hopefully noop) shuffling of the position of the tasklet.
~Andrew
>
> (XEN) [2014-11-14 13:00:06.810] ----[ Xen-4.5.0-rc x86_64 debug=y Not tainted ]----
> (XEN) [2014-11-14 13:00:06.810] CPU: 3
> (XEN) [2014-11-14 13:00:06.810] RIP: e008:[<ffff82d080148f14>] dpci_softirq+0x9c/0x231
> (XEN) [2014-11-14 13:00:06.810] RFLAGS: 0000000000010283 CONTEXT: hypervisor
> (XEN) [2014-11-14 13:00:06.811] rax: 0000000000100100 rbx: ffff830515c86d90 rcx: 0000000000000001
> (XEN) [2014-11-14 13:00:06.811] rdx: ffff83054ef30000 rsi: 0000000000000002 rdi: ffff830518b3b0b8
> (XEN) [2014-11-14 13:00:06.811] rbp: ffff83054ef37eb0 rsp: ffff83054ef37e50 r8: ffff830515c86d60
> (XEN) [2014-11-14 13:00:06.811] r9: 0000016b62294400 r10: 0000016b63143e58 r11: 0000000000000246
> (XEN) [2014-11-14 13:00:06.811] r12: ffff830515c86d38 r13: ffff830518b3b000 r14: ffff830515c86d28
> (XEN) [2014-11-14 13:00:06.811] r15: ffff830515c86d28 cr0: 000000008005003b cr4: 00000000000006f0
> (XEN) [2014-11-14 13:00:06.811] cr3: 000000009fc92000 cr2: 0000000000100108
> (XEN) [2014-11-14 13:00:06.811] ds: 0000 es: 0000 fs: 0000 gs: 0000 ss: e010 cs: e008
> (XEN) [2014-11-14 13:00:06.811] Xen stack trace from rsp=ffff83054ef37e50:
> (XEN) [2014-11-14 13:00:06.811] ffff83054ef37e60 ffff830518b3b0b8 ffff830515c86d38 ffff83054ef37e70
> (XEN) [2014-11-14 13:00:06.811] ffff830515c86d90 ffff830515c86d90 ffff83054ef37ef0 ffff82d080300100
> (XEN) [2014-11-14 13:00:06.811] ffff82d0802fff80 ffffffffffffffff ffff83054ef30000 0000000000000002
> (XEN) [2014-11-14 13:00:06.811] ffff83054ef37ee0 ffff82d08012bd91 ffff83054ef30000 ffff83009faea000
> (XEN) [2014-11-14 13:00:06.811] 00000000ffffffff ffff83054ef3e068 ffff83054ef37ef0 ffff82d08012bde9
> (XEN) [2014-11-14 13:00:06.811] ffff83054ef37f10 ffff82d0801623d5 ffff82d08012bde9 ffff83009fafd000
> (XEN) [2014-11-14 13:00:06.811] ffff83054ef37de8 ffffffff82200000 ffffffff82200000 0000000000000000
> (XEN) [2014-11-14 13:00:06.811] 0000000000000000 ffffffff82203e28 ffffffff822f3ec0 0000000000000246
> (XEN) [2014-11-14 13:00:06.811] 0000000000000001 0000000000000000 0000000000000000 0000000000000000
> (XEN) [2014-11-14 13:00:06.811] ffffffff810013aa ffffffff8221c520 00000000deadbeef 00000000deadbeef
> (XEN) [2014-11-14 13:00:06.811] 0000010000000000 ffffffff810013aa 000000000000e033 0000000000000246
> (XEN) [2014-11-14 13:00:06.811] ffffffff82203e10 000000000000e02b 008000000000beef 000000000000beef
> (XEN) [2014-11-14 13:00:06.811] 000000000000beef 00000000ffffbeef ffffea0000000003 ffff83009fafd000
> (XEN) [2014-11-14 13:00:06.811] 00000034cec15280 0000000000000000
> (XEN) [2014-11-14 13:00:06.811] Xen call trace:
> (XEN) [2014-11-14 13:00:06.811] [<ffff82d080148f14>] dpci_softirq+0x9c/0x231
> (XEN) [2014-11-14 13:00:06.811] [<ffff82d08012bd91>] __do_softirq+0x81/0x8c
> (XEN) [2014-11-14 13:00:06.811] [<ffff82d08012bde9>] do_softirq+0x13/0x15
> (XEN) [2014-11-14 13:00:06.811] [<ffff82d0801623d5>] idle_loop+0x5e/0x6e
> (XEN) [2014-11-14 13:00:06.811]
> (XEN) [2014-11-14 13:00:06.811] Pagetable walk from 0000000000100108:
> (XEN) [2014-11-14 13:00:06.811] L4[0x000] = 000000055d09a063 ffffffffffffffff
> (XEN) [2014-11-14 13:00:06.811] L3[0x000] = 000000055d099063 ffffffffffffffff
> (XEN) [2014-11-14 13:00:06.811] L2[0x000] = 000000055d098063 ffffffffffffffff
> (XEN) [2014-11-14 13:00:06.811] L1[0x100] = 0000000000000000 ffffffffffffffff
> (XEN) [2014-11-14 13:00:07.692]
> (XEN) [2014-11-14 13:00:07.700] ****************************************
> (XEN) [2014-11-14 13:00:07.720] Panic on CPU 3:
> (XEN) [2014-11-14 13:00:07.732] FATAL PAGE FAULT
> (XEN) [2014-11-14 13:00:07.745] [error_code=0000]
> (XEN) [2014-11-14 13:00:07.759] Faulting linear address: 0000000000100108
> (XEN) [2014-11-14 13:00:07.778] ****************************************
> (XEN) [2014-11-14 13:00:07.797]
> (XEN) [2014-11-14 13:00:07.806] Reboot in five seconds...
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xen.org
> http://lists.xen.org/xen-devel
next prev parent reply other threads:[~2014-11-14 13:32 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-14 13:11 Xen-unstable: xen panic RIP: dpci_softirq Sander Eikelenboom
2014-11-14 13:32 ` Andrew Cooper [this message]
2014-11-14 13:37 ` Andrew Cooper
2014-11-14 13:57 ` Jan Beulich
2014-11-14 14:34 ` Sander Eikelenboom
2014-11-14 15:09 ` Jan Beulich
2014-11-14 15:20 ` Sander Eikelenboom
2014-11-14 15:43 ` Jan Beulich
2014-11-14 16:59 ` Sander Eikelenboom
2014-11-14 17:05 ` Konrad Rzeszutek Wilk
2014-11-14 19:56 ` Sander Eikelenboom
2014-11-14 20:25 ` Konrad Rzeszutek Wilk
2014-11-14 22:09 ` Sander Eikelenboom
2014-11-17 16:34 ` Konrad Rzeszutek Wilk
2014-11-17 17:04 ` Sander Eikelenboom
2014-11-17 20:43 ` Konrad Rzeszutek Wilk
2014-11-17 22:40 ` Sander Eikelenboom
2014-11-18 8:28 ` Jan Beulich
[not found] ` <20141118024927.GA32256@andromeda.dapyr.net>
2014-11-18 11:07 ` Sander Eikelenboom
2014-11-18 15:09 ` Sander Eikelenboom
2014-11-18 16:06 ` Sander Eikelenboom
2014-11-18 16:16 ` Konrad Rzeszutek Wilk
2014-11-18 17:03 ` Sander Eikelenboom
2014-11-18 17:20 ` Jan Beulich
2014-11-18 20:34 ` Konrad Rzeszutek Wilk
2014-11-18 20:56 ` Konrad Rzeszutek Wilk
2014-11-18 22:12 ` Sander Eikelenboom
2014-11-19 1:55 ` Konrad Rzeszutek Wilk
2014-11-19 11:16 ` Sander Eikelenboom
2014-11-19 15:04 ` Konrad Rzeszutek Wilk
2014-11-19 17:27 ` Sander Eikelenboom
2014-11-17 18:01 ` Sander Eikelenboom
2014-11-18 9:30 ` Jan Beulich
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