Hi Simon, Simon Breden wrote: > > Thanks for your advice Max, and here is my reply to your suggestion: > > > # mdb -k > Loading modules: [ unix genunix specfs dtrace cpu.generic > cpu_ms.AuthenticAMD.15 uppc pcplusmp scsi_vhci ufs ip hook neti sctp arp usba > s1394 nca lofs zfs random md sppp smbsrv nfs ptm ipc crypto ] > >> ::pgrep cp >> > S PID PPID PGID SID UID FLAGS ADDR NAME > R 889 868 889 868 501 0x4a004000 ffffff01deca9048 cp > >> ffffff01deca9048::walk thread | ::threadlist -v >> > ADDR PROC LWP CLS PRI WCHAN > ffffff01e0045840 ffffff01deca9048 ffffff01de9d9210 2 60 ffffff01d861ca80 > PC: _resume_from_idle+0xf1 CMD: cp -pr testdir z1 > stack pointer for thread ffffff01e0045840: ffffff0007fcdf00 > [ ffffff0007fcdf00 _resume_from_idle+0xf1() ] > swtch+0x17f() > cv_wait+0x61() > zio_wait+0x5f() > dbuf_read+0x1b5() > dbuf_findbp+0xe8() > dbuf_prefetch+0x9b() > dmu_zfetch_fetch+0x43() > dmu_zfetch_dofetch+0xc2() > dmu_zfetch_find+0x3a1() > dmu_zfetch+0xa5() > dbuf_read+0xe3() > dmu_buf_hold_array_by_dnode+0x1c4() > dmu_read+0xd4() > zfs_fillpage+0x15e() > zfs_getpage+0x187() > fop_getpage+0x9f() > segvn_fault+0x9ef() > as_fault+0x5ae() > pagefault+0x95() > trap+0x1286() > 0xfffffffffb8001d9() > fuword8+0x21() > zfs_write+0x147() > fop_write+0x69() > write+0x2af() > write32+0x1e() > sys_syscall32+0x101() > > So, a write has been issued, zfs is retrieving a page and is waiting for the pagein to complete. I'll take a further look tomorrow, but maybe someone else reading this has an idea. (It is midnight here).
max > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss > > _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
