Date: Mon, 24 May 2010 08:57:56 +0300 From: Nikolay Denev <ndenev@gmail.com> To: freebsd-stable@freebsd.org Cc: Pyun YongHyeon <pyunyh@gmail.com> Subject: if_sge related panics Message-ID: <E7AF7DD3-FE50-42DD-8391-0F576708EAF7@gmail.com>
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Hi, Recently I started to experience a if_sge(4) related panic. It happens almost every time I try to download a torrent file for example. Copying of large files over NFS seem not to trigger it, but I haven't tested extensively. Here is the panic message : Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0x8 fault code = supervisor write data, page not present instruction pointer = 0x20:0xffffffff80230413 stack pointer = 0x28:0xffffff80001e9280 frame pointer = 0x28:0xffffff80001e9510 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 12 (irq19: sge0) trap number = 12 panic: page fault cpuid = 0 Uptime: 1d20h56m20s Cannot dump. Device not defined or unavailable Automatic reboot in 15 seconds - press a key on the console to abort Sleeping thread (tid 100039, pid 12) owns a non-sleepable lock My swap is on a zvol, so I don't have dump. I'll try to attach a disk on the eSATA port and dump there if needed.
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