----- Original Message ----- From: "Fabian Keil" <freebsd-listen_at_fabiankeil.de> > After updating my laptop to yesterday's CURRENT (r265216), > I got the following fatal double fault on boot: > http://www.fabiankeil.de/bilder/freebsd/kernel-panic-r265216/ > > My previous kernel was based on r264721. > > I'm using a couple of custom patches, some of them are ZFS-related > and thus may be part of the problem (but worked fine for months). > I'll try to reproduce the panic without the patches tomorrow. > Your seeing a stack overflow in the new ZFS queuing code, which I believe is being triggered by lack of support for TRIM in one of your devices, something Xin reported to me yesterday. I commited a fix for failing TRIM requests processing slowly last night so you could try updating to after r265253 and see if that helps. I still need to investigate the stack overflow more directly which appears to be caused by the new zfs queuing code when things are running slowly and there's a large backlog of IO's. I would be interested to know you config there so zpool layout and hardware in the mean time. Regards SteveReceived on Sat May 03 2014 - 12:31:25 UTC
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