Date: Sun, 15 Nov 2009 23:00:07 -0600 From: Nathan Whitehorn <nwhitehorn@freebsd.org> To: Carlo Dapor <catull@gmail.com> Cc: Peter Grehan <grehan@freebsd.org>, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: 8.0-RC2 on Rackmac3,1 - fatal kernel trap Message-ID: <4B00DC57.8020805@freebsd.org> In-Reply-To: <6a9140500911141044g53dcbab3le8d1bec592244b7a@mail.gmail.com> References: <aff3f9930911041456o732ea890n6cda52783e8db286@mail.gmail.com> <4AF577F6.2080708@freebsd.org> <4AF90970.4080708@freebsd.org> <4AF9E9F5.8000207@freebsd.org> <4AFA3E5C.4060003@freebsd.org> <4AFA47E1.3080206@freebsd.org> <4AFA5669.1010307@freebsd.org> <4AFB0DA4.2050605@freebsd.org> <6a9140500911132023w613117e9lfa669d49df87e93c@mail.gmail.com> <4AFE42D8.2040305@freebsd.org> <6a9140500911141044g53dcbab3le8d1bec592244b7a@mail.gmail.com>
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Try doing 'set hw.ata.atapi_dma=0' at the prompt. Some Apple ATA controllers seem to have issues with ATAPI DMA. -Nathan Carlo Dapor wrote: > Hmm, bad news. > The 20091112 ISO was used, if that matters. > No extra configuration was taken, just hit the enter key when prompted so. > > The kernel does not correctly handle acd0. > > Here's the relevant log > > .... > acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - > complete request directly > acd0: TIMEOUT - READ_BIG retrying (1 retry left) > acd0: WARNING - SETFEATURES SET TRANSFER MODE taskqueue timeout - > complete request directly > acd0: TIMEOUT - READ_BIG retrying (0 retries left) > acd0: FAILURE - READ_BIG timed out > > This is repeated over and over. > Finally this: > > panic: mtx_lock() of destroyed mutex @ /usr/src/sys/kern/kern_sema.c:79 > KDB: enter: panic > [thread pid 12 tid 100016 ] > Stopped at 0x333d88: addi r0, r0, 0x0 > db > > > The computer was very loud. > > I entered continue at the prompt, and a reboot resulted. > > Regards, > -- > Carlo > > On Sat, Nov 14, 2009 at 6:40 AM, Nathan Whitehorn > <nwhitehorn@freebsd.org> wrote: > >> Carlo Dapor wrote: >> >>> Hello Peter, Nathan fellow PPC-owner >>> >>> The link to the ISO file is very slow for me, downloads at 20 kB/s. >>> >>> In the meantime, I gave 8.0 rc3 a chance but I get the following: >>> >>> panic: moea64_bootstrap: too many ofw translations (100) >>> uptime: 1s >>> >>> The boot process never came this far for me. >>> The machine is a G5 PowerMac7,3, dual 2.3 GHz, 4GB ram. >>> >>> Is the 20091112 snapshot also ideal for my configuration ? >>> Or is it safer to grab the 20091111 version ? >>> >>> >> Both will work. 20091111 had a test version of the final change that ended >> up in the tree. 20091112 has the final, more permanent solution. Either >> should boot your machine without problems. >> >> Unfortunately, due to this problem being discovered so late in the release >> cycle, the fix for CD booting will not make it into the 8.0 release. 8.0 >> will boot and run fine on G5 systems, but will have to be installed by >> net-booting. Once the 8.0 release is finalized, I will MFC the patches place >> an 8.0-STABLE-SNAP install CD somewhere for people who want it. >> -Nathan >> >>
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