Date: Tue, 15 Oct 2013 21:23:58 -0400 From: J David <j.david.lists@gmail.com> To: Alan Cox <alc@rice.edu> Cc: "freebsd-fs@freebsd.org" <freebsd-fs@freebsd.org>, alc@freebsd.org Subject: Re: 9.2 + ZFS + i386 = panic: pmap_enter: attempted pmap_enter on 4MB page Message-ID: <CABXB=RQzmTahmMekAepToZP2w%2BQLtvF2rGqaC88O%2Bnecdaqpnw@mail.gmail.com> In-Reply-To: <525D7784.5000808@rice.edu> References: <CABXB=RQd_yT%2BsEA0qBnyCK-3ZsvxfSiSCcMVjnHoSyCB%2BZ5%2BRg@mail.gmail.com> <20131015164537.GH3865@kib.kiev.ua> <525D7784.5000808@rice.edu>
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With a kernel updated with debugging code and r253949, it panics during boot: fifo_open: 0x894212d0 is not exclusive locked but should be KDB: enter: lock violation -[ thread pid 963 tid 100353 ] Stopped at kdb_enter+0x3d: movl $0,kdb_why db> where Tracing pid 963 tid 100353 td 0x883aa5e0 kdb_enter(8112e312,8112e4ee,894212d0,8112e24d,812746d4,...) at kdb_enter+0x3d/frame 0xbf656980 assert_vop_elocked(894212d0,811069b9,df,1,0,...) at assert_vop_elocked+0xbe/frame 0xbf6569b0 fifo_open(bf656ae8,8117a85a,8114f47a,81423bac,bf656a74,...) at fifo_open+0x36/frame 0xbf656a10 VOP_OPEN_APV(818a3f30,bf656ae8,100,10000,10000,...) at VOP_OPEN_APV+0xca/frame 0xbf656a40 vn_open_cred(bf656b60,bf656bec,c08,0,879ae180,8832d428) at vn_open_cred+0x5a5/frame 0xbf656b18 vn_open(bf656b60,bf656bec,c08,8832d428,0,...) at vn_open+0x3b/frame 0xbf656b38 kern_openat(883aa5e0,ffffff9c,804a7b2,0,4,7fbfde08) at kern_openat+0x1cb/frame 0xbf656c20 sys_open(883aa5e0,bf656cc8,811748f4,81126582,1,...) at sys_open+0x38/frame 0xbf656c40 syscall(bf656d08) at syscall+0x2da/frame 0xbf656cfc Xint0x80_syscall() at Xint0x80_syscall+0x21/frame 0xbf656cfc --- syscall (5, FreeBSD ELF32, sys_open), eip = 0x2815e29b, esp = 0x7fbfdd6c, ebp = 0x7fbfdd78 --- If possible, I'll see about booting it in single user mode and disabling as much junk as possible that might be touching FIFO's, as it's unlike that problem is related to the ZFS issue.
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