Date: Fri, 15 Feb 2013 16:50:10 -0700 From: Ian Lepore <ian@FreeBSD.org> To: Werner Thie <werner@thieprojects.ch> Cc: freebsd-arm@FreeBSD.org Subject: Re: Beaglebone latest image observations - lock order reversal from ufs Message-ID: <1360972210.1164.4.camel@revolution.hippie.lan> In-Reply-To: <511EBB47.9030206@thieprojects.ch> References: <511EBB47.9030206@thieprojects.ch>
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On Fri, 2013-02-15 at 23:48 +0100, Werner Thie wrote: > Hi > > today, after several failed attempts (build world failing), I managed > to build a new kernel with Tim's script for the Bone. > > From what I see it started spewing the 'ti_mmchs0: Error: current > cmd > null' again. > > ti_mmchs0: Error: current cmd NULL, already done? > > I'm now also getting the occasional > > lock order reversal: > 1st 0xc2c8ad84 ufs (ufs) @ /usr/local/src/sys/kern/vfs_subr.c:2176 > 2nd 0xc97a2378 bufwait (bufwait) @ > /usr/local/src/sys/ufs/ffs/ffs_vnops.c:261 > 3rd 0xc2d807f8 ufs (ufs) @ /usr/local/src/sys/kern/vfs_subr.c:2176 > KDB: stack backtrace: > : > : > Anybody out there being able to enlighten me about this? Does the > first > error relate or is triggered by second one? > This shouldn't be at all related to the "current cmd NULL" (that's a form of unexpected-interrupt error; it shouldn't be happening, but it should be fairly harmless). This LOR probably does need to be looked at more closely, though. > Seeping through dmesg I see > : > cpsw0: <3-port Switch Ethernet Subsystem> mem 0xcf619000-0xcf61cfff > irq > 40,41,42,43 on simplebus0 > cpsw0: CPSW SS Version 1.12 (0) > _bus_dmamap_sync: wrong user map: 0 4 This is most likely the same problem Thomas Skibo just submitted a fix for. If so, it's committed as r246859. -- Ian > cpsw0: Initial queue size TX=128 RX=384 > cpsw0: Ethernet address: 00:18:31:8e:0e:1d > : > > I also observed that Python27 built fresh from ports aborts on > importing > ctypes. > > I keep on building and reporting, the progress is still amazing! > > If there's anything specific to try, please let me know > > Thxs, Werner > >
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