On Wed, May 20, 2020 at 6:04 PM Rick Macklem <rmacklem_at_uoguelph.ca> wrote: > > Hi, > > Since I hadn't upgraded a kernel through the winter, it took me a while > to bisect this, but r358252 seems to be the culprit. > > If I do a kernel build over NFS using my not so big Pentium 4 (single core, > 1.25Gbytes RAM, i386), about every second attempt will hang. > When I do a "ps" in the debugger, I see processes sleeping on btalloc. > If I revert to r358251, I cannot reproduce this. > > Any ideas? > > I can easily test any change you might suggest to see if it fixes the > problem. > > If you want more debug info, let me know, since I can easily > reproduce it. > > Thanks, rick Nothing obvious to me. I can maybe try a repro on a VM... ddb ps, acttrace, alltrace, show all vmem, show page would be welcome. "btalloc" is "We're either out of address space or lost a fill race."Received on Thu May 21 2020 - 04:59:04 UTC
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