Date: Fri, 19 Jul 2013 12:32:43 -0700 From: Yuri <yuri@rawbw.com> To: John Baldwin <jhb@freebsd.org> Cc: Alan Cox <alc@freebsd.org>, freebsd-hackers@freebsd.org Subject: Re: Kernel crashes after sleep: how to debug? Message-ID: <51E9945B.1050907@rawbw.com> In-Reply-To: <201307191100.08549.jhb@freebsd.org> References: <51E3A334.8020203@rawbw.com> <201307181652.48757.jhb@freebsd.org> <51E88EDA.50000@rawbw.com> <201307191100.08549.jhb@freebsd.org>
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On 07/19/2013 08:00, John Baldwin wrote:
> Well, you can probably find the value of 'm' in a register if you look at the
> dissassembly around the fault. You can then cast that pointer to the right
> type and print its contents.
Here is the value of *m in frame 8:
(kgdb) p *(struct vm_page*)0xfffffe00b460abf8
$3 = {pageq = {tqe_next = 0xfe26, tqe_prev = 0xfffffe00b5a124d8}, listq
= {tqe_next = 0xfffffe0081ad8f70, tqe_prev = 0xfffffe0081ad8f78},
left = 0x6, right = 0xd00000201, object = 0x100000000, pindex =
4294901765, phys_addr = 18446741877712530608, md = {pv_list = {
tqh_first = 0xfffffe00b460abc0, tqh_last = 0xfffffe00b5579020}, pat_mode
= -1268733096}, queue = 72 'H', segind = -85 '�',
hold_count = -19360, order = 0 '\0', pool = 254 '�', cow = 65535,
wire_count = 0, aflags = 0 '\0', flags = 0 '\0', oflags = 0,
act_count = 0 '\0', busy = 176 '�', valid = 208 '�', dirty = 126 '~'}
Yuri
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