On Dec 5, 1:25pm, Paul Goyette wrote: } On Sat, 5 Dec 2015, Paul Goyette wrote: } } >>> With up-to-the-minute sources, I got the following crash while trying } >>> to install i386-current in a qemu-VM. } >>> } >>> ioctl DIOCGMEDIASIZE failed 19ge media | } >>> uvm_fault(0xc2983d40, 0, 1) -> 0xe | } >>> fatal page fault in supervisor mode | } >>> trap type 6 code 0 eip c09115dd cs 8 eflags 296 cr2 28 ilevel 0 esp f0b } >>> curlwp 0xc2a81aa0 pid 3907 lid 1 lowest kstack 0xdaadc2c0 | } >>> kernel: supervisor trap page fault, code=0 | } >>> Stopped in pid 3907.1 (sysinst) at c09115dd: mull 28(%ecx),%eax } >>> db{0}> } >>> } >>> The same sources were used to create a amd64-current system, and I was } >>> able to install it successfully. } >>> } >>> FWIW, my source tree is time-stamped at "2015-12-05 at 03:08:57 UTC" } > } > The original post(s) had the system versions wrong. The correct info } > } > i386 FAILS } > amd64 WORKS } > } > Sorry for confusion. } } The failure occurs when trying to mount the (qemu-emulated) cd-rom } containing the release files.
Try this patch: --- sys/miscfs/specfs/spec_vnops.c.orig 2015-12-04 22:26:43.000000000 -0800 +++ sys/miscfs/specfs/spec_vnops.c 2015-12-04 22:28:10.000000000 -0800 @@ -668,7 +668,8 @@ printf("ioctl DIOCGMEDIASIZE failed %d\n", error); #endif error = (*ioctl)(vp->v_rdev, DIOCGPART, &pi, FREAD, curlwp); - off = (off_t)pi.disklab->d_secsize * pi.part->p_size; + if (error == 0) + off = (off_t)pi.disklab->d_secsize * pi.part->p_size; } if (error == 0) }-- End of excerpt from Paul Goyette