On Wed, 5 Oct 2016 23:48:57 -0500 (CDT) "John D. Baker" <[email protected]> wrote:
> Every so often, my file server panics and reboots--which it did > just a few hours ago. The saved core reports, via 'crash': [snip] > And the earliest I have saved (6 Nov 2015): > > $ crash -N netbsd.2 -M netbsd.2.core > Crash version 7.0_STABLE, image version 7.0_STABLE. > System panicked: trap > Backtrace from time of crash is available. > crash> bt > _KERNEL_OPT_NAGR() at 0 > _KERNEL_OPT_NAGR() at 0 > vpanic() at vpanic+0x145 > snprintf() at snprintf > startlwp() at startlwp > calltrap() at calltrap+0x11 > VOP_PUTPAGES() at VOP_PUTPAGES+0x3a > uvm_pageout() at uvm_pageout+0x2f1 > > > Anyone else see anything like this? What other information from > the crash dumps would be useful? Have you filed a PR on this? One of my machines started doing something similar to your last panic: uvm_fault(0xffffffff81041020, 0x0, 1) -> e fatal page fault in supervisor mode trap type 6 code 0 rip ffffffff809c29bd cs 8 rflags 10202 cr2 12 ilevel 0 rsp fffffe810ed60b00 curlwp 0xfffffe823ce98780 pid 0.95 lowest kstack 0xfffffe810ed5e2c0 panic: trap cpu6: Begin traceback... vpanic() at netbsd:vpanic+0x13c snprintf() at netbsd:snprintf startlwp() at netbsd:startlwp alltraps() at netbsd:alltraps+0x96 uvm_pagefree() at netbsd:uvm_pagefree+0xd4 genfs_do_putpages() at netbsd:genfs_do_putpages+0xce0 VOP_PUTPAGES() at netbsd:VOP_PUTPAGES+0x3a uvm_pageout() at netbsd:uvm_pageout+0x2f1 cpu6: End traceback... uvm_fault(0xfffffe813bd35e70, 0x0, 2) -> e fatal page fault in supervisor mode trap type 6 code 2 rip ffffffff805ac769 cs 8 rflags 10202 cr2 84 ilevel 8 rsp fffffe806abeed98 curlwp 0xfffffe80a5198b60 pid 1766.1 lowest kstack 0xfffffe806abec2c0 dumping to dev 18,1 (offset=18259895, size=2092553): but I havn't investigated as to what's up yet.... (it crashed Oct 13, and then Nov 7 and Nov 8... ) Later... Greg Oster
