Date: Tue, 07 Feb 2012 12:23:08 -0800 From: Marcel Moolenaar <xcllnt@mac.com> To: Anton Shterenlikht <mexas@bristol.ac.uk> Cc: freebsd-ia64@freebsd.org Subject: Re: fatal kernel trap Message-ID: <6653621C-ABF4-4835-AA2C-4325DDC29467@mac.com> In-Reply-To: <20120207200022.GA89641@mech-cluster241.men.bris.ac.uk> References: <20120206142239.GA71689@mech-cluster241.men.bris.ac.uk> <20120206144444.GA71830@mech-cluster241.men.bris.ac.uk> <20120207094713.GA81250@mech-cluster241.men.bris.ac.uk> <20120207102305.GA81545@mech-cluster241.men.bris.ac.uk> <20120207111557.GA82299@mech-cluster241.men.bris.ac.uk> <20120207174649.GA89244@mech-cluster241.men.bris.ac.uk> <28AF5668-F785-49DB-98A0-0D037C173C9B@mac.com> <20120207200022.GA89641@mech-cluster241.men.bris.ac.uk>
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On Feb 7, 2012, at 12:00 PM, Anton Shterenlikht wrote: > On Tue, Feb 07, 2012 at 09:54:46AM -0800, Marcel Moolenaar wrote: >> >> On Feb 7, 2012, at 9:46 AM, Anton Shterenlikht wrote: >>>> db> bt >>>> Tracing pid 3832 tid 100130 td 0xe000000012122000 >>>> cpu_set_upcall(0xe000000012120cf0, 0xe000000012122000, 0xa0000000f8913780, 0xa0000000f8913550) at cpu_set_upcall+0x190 >>>> create_thread(0xe000000012122000, 0x0, 0x14064bac0, 0x140804800, 0x7ffffffff3bfe000, 0xc000000, 0x14008c200, 0x140804800) at create_thread+0x1c0 >>>> kern_thr_new(0xe000000012122000, 0xa0000000f88f3330, 0x9ffc0000004363d0) at kern_thr_new+0x100 >>>> sys_thr_new(0xe000000012122000, 0xa0000000f88f34e8, 0x9ffc0000008ccbf0, 0x48d) at sys_thr_new+0xa0 >>>> syscall(0xe000000012112d50, 0xa0000000f88f33a8, 0x14080442c, 0xe000000012122000, 0x0, 0x0, 0x9ffc0000008c80a0, 0x8) at syscall+0x550 >>>> epc_syscall_return() at epc_syscall_return >>>> db> >>> >>> Marcel, these panics make the system unusable on >>> r231087, r231124. I'll try to roll back 1000 or >>> so and try again. Let me know if you want >>> any more info on this panic. >> >> This looks like a regression caused by changes to either >> libthr or MI kernel code, for which no MD ia64 code >> changes were made, though needed. The backtrace is too >> regular... >> >> I'll take a look at it. If you have a simple trigger >> case, let me know. > > csup(1) causes this panic every time. > Something like "csup -L0 ports-supfile" > immediately triggers the trap. Ok, thanks. Let me take a look. -- Marcel Moolenaar xcllnt@mac.com
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