here's some info from a crash on a non-debug delphix/illumos system (i.e. with
ASSERTs turned off):
{noformat}
> ::status
debugging crash dump vmcore.0 (64-bit) from ps-trunk.dcenter
operating system: 5.11 dlpx-trunk_2017-09-09-02-00-41dacd64be (i86pc)
image uuid: 2fb6a759-0230-e9bc-b411-bd8fa8a3e7bf
panic message: BAD TRAP: type=e (#pf Page fault) rp=ffffff000e23c880 addr=20
occurred in module "zfs" due to a NULL pointer dereference
dump content: kernel pages only
> ::stack
buf_hash_remove+0x4c(ffffff03900654a8)
arc_change_state+0x32e(fffffffffbd29220, ffffff03900654a8, fffffffffbd2c1d0)
arc_release+0x288(ffffff0377cc0010, ffffff03792a88d8)
dbuf_unoverride+0x71(ffffff0398dd2640)
dbuf_redirty+0x26(ffffff0398dd2640)
dmu_buf_will_dirty+0x75(ffffff03792a88d8, ffffff039131b340)
dmu_write_uio_dnode+0x90(ffffff03911ed290, ffffff000e23ce60, 400,
ffffff039131b340)
dmu_write_uio_dbuf+0x5d(ffffff038c89d108, ffffff000e23ce60, 400,
ffffff039131b340)
zvol_write+0x15a(11d00000004, ffffff000e23ce60, ffffff039d3e88e0)
cdev_write+0x2d(11d00000004, ffffff000e23ce60, ffffff039d3e88e0)
spec_write+0x4c1(ffffff039d56c180, ffffff000e23ce60, 10, ffffff039d3e88e0, 0)
fop_write+0x5b(ffffff039d56c180, ffffff000e23ce60, 10, ffffff039d3e88e0, 0)
pwrite+0x194(3, 55f940, 400, ac00)
sys_syscall+0x177()
{noformat}
--
You are receiving this because you are subscribed to this thread.
Reply to this email directly or view it on GitHub:
https://github.com/openzfs/openzfs/pull/462#issuecomment-328531279
------------------------------------------
openzfs-developer
Archives:
https://openzfs.topicbox.com/groups/developer/discussions/Tffbfe5cf4d0c0904-M514a315ca4ccd1727082ae90
Powered by Topicbox: https://topicbox.com
