Date: Thu, 26 Dec 2013 10:07:35 -0800 From: "R. Tyler Croy" <tyler@monkeypox.org> To: freebsd-stable@freebsd.org Subject: Panic while mounting msdosfs on -PRERELEASE (r259490) Message-ID: <20131226180735.GA2259@kiwi>
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At the time of the crash I was on wireless, playing some music and the SD card
that I was attempting to mount had been inserted since before my last
sleep/resume cycle.
After reboot I was not able to immediately reproduce the issue. I'll try again
after some sleep/resume cycles when I get a chance.
Dec 26 09:56:40 kiwi kernel:
Dec 26 09:56:40 kiwi kernel:
Dec 26 09:56:40 kiwi kernel: Fatal trap 12: page fault while in kernel mode
Dec 26 09:56:40 kiwi kernel: cpuid = 0; apic id = 00
Dec 26 09:56:40 kiwi kernel: fault virtual address = 0x167a358d
Dec 26 09:56:40 kiwi kernel: fault code = supervisor write data, page not present
Dec 26 09:56:40 kiwi kernel: instruction pointer = 0x20:0xffffffff806c2c01
Dec 26 09:56:40 kiwi kernel: stack pointer = 0x28:0xfffffe0234b677d0
Dec 26 09:56:40 kiwi kernel: frame pointer = 0x28:0xfffffe0234b67790
Dec 26 09:56:40 kiwi kernel: code segment = base 0x0, limit 0xfffff, type 0x1b
Dec 26 09:56:40 kiwi kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
Dec 26 09:56:40 kiwi kernel: processor eflags = interrupt enabled, resume, IOPL = 0
Dec 26 09:56:40 kiwi kernel: current process = 389 (mount_msdosfs)
Dec 26 09:56:40 kiwi kernel: trap number = 12
Dec 26 09:56:40 kiwi kernel: panic: page fault
Dec 26 09:56:40 kiwi kernel: cpuid = 0
Dec 26 09:56:40 kiwi kernel: KDB: stack backtrace:
Dec 26 09:56:40 kiwi kernel: #0 0xffffffff8066bd50 at kdb_backtrace+0x60
Dec 26 09:56:40 kiwi kernel: #1 0xffffffff80633835 at panic+0x155
Dec 26 09:56:40 kiwi kernel: #2 0xffffffff808cd572 at trap_fatal+0x3a2
Dec 26 09:56:40 kiwi kernel: #3 0xffffffff808cd849 at trap_pfault+0x2c9
Dec 26 09:56:40 kiwi kernel: #4 0xffffffff808ccfd6 at trap+0x5e6
Dec 26 09:56:40 kiwi kernel: #5 0xffffffff808b4272 at calltrap+0x8
Dec 26 09:56:40 kiwi kernel: Uptime: 1d3h30m27s
Dec 26 09:56:40 kiwi kernel: Automatic reboot in 15 seconds - press a key on the console to abort
Dec 26 09:56:40 kiwi kernel: Rebooting...
Cheers
- R. Tyler Croy
------------------
Code: https://github.com/rtyler
Chatter: https://twitter.com/agentdero
rtyler@jabber.org
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