Date: Tue, 20 Apr 2004 11:15:56 +0200 From: Gary Jennejohn <garyj@jennejohn.org> To: till@score.is.tsukuba.ac.jp Cc: freebsd-amd64@freebsd.org Subject: Re: panic: bad pte at line 2539 in file /usr/src/sys/amd64/amd64/pmap.c Message-ID: <200404200915.i3K9Fulj001761@peedub.jennejohn.org> In-Reply-To: Message from Till Plewe <till@score.is.tsukuba.ac.jp> <20040420012615.GA8847%till@score.is.tsukuba.ac.jp>
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Till Plewe writes: > > Has anybody else encountered this panic? It occurs only when I have 2 or > more processes of >=1GB running. I will build a debug kernel now and > wait for the next panic. > > - Till > > ########################### > last messages before reboot > ########################### > > pid 867 (python2.4), uid 0: exited on signal 11 > pid 874 (python2.4), uid 0: exited on signal 11 > pid 876 (python2.4), uid 0: exited on signal 11 > pid 877 (python2.4), uid 0: exited on signal 11 > pid 891 (python2.4), uid 0: exited on signal 11 > pid 892 (python2.4), uid 0: exited on signal 11 > pid 893 (python2.4), uid 0: exited on signal 11 > pid 900 (python2.4), uid 0: exited on signal 11 > pid 1041 (python2.3), uid 0: exited on signal 11 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=157835242 > pid 1258 (python2.3), uid 0: exited on signal 11 > pid 1259 (python2.3), uid 0: exited on signal 11 > pid 1274 (python2.3), uid 0: exited on signal 11 > pid 1415 (python2.4), uid 0: exited on signal 10 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=157823458 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=157823458 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=80228994 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=80228834 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=80240642 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=157836086 > pid 10957 (python2.4), uid 0: exited on signal 11 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=80240642 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=157836086 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=157835286 > ad0: TIMEOUT - READ_DMA retrying (2 retries left) LBA=157836086 > pid 14903 (python2.4), uid 0: exited on signal 6 > ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=157823458 > pid 15489 (python2.4), uid 0: exited on signal 11 > pid 15872 (python2.4), uid 0: exited on signal 11 > pid 15865 (python2.4), uid 0: exited on signal 6 > TPTE at 0xffff800000a0ce60 IS ZERO @ VA 1419cc000 > panic: bad pte > at line 2539 in file /usr/src/sys/amd64/amd64/pmap.c > cpuid = 0; > boot() called on cpu#0 > Looks to me like it's trying to access swap and failing due to the ad0 errors. The panic is a result of this failure. The atapi drivers are pretty flakey at the moment :-( I've been forced to run my drive in PIO4 mode to avoid the DMA errors! Of course, your disk might also be failing. --- Gary Jennejohn / garyj[at]jennejohn.org gj[at]freebsd.org gj[at]denx.de
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