re: port-sparc/51516: kernel trap 34: mem address not aligned in pmap_page_protect

[matthew green <mrg%eterna.com.au@localhost>]

> db{0}> tr/t 0t11133
> trace: pid 11133 lid 2 at 0x303c3a20
> sleepq_block(0, 1, 5fdddf4, 0, 1ca6800, 5fddd20) at netbsd:sleepq_block+0xb8
> sel_do_scan(0, 5fddd20, 1, 2, 1, 3a48e00) at netbsd:sel_do_scan+0x44c
> pollcommon(16, 441c88, 1, 0, 0, 8) at netbsd:pollcommon+0xbc
> sys_poll(5fddd20, 303c3de0, 303c3dd8, ad4000, 9cc, 1c632a4) at netbsd:sys_poll+0
> x64
> syscall(303c3ed0, 303c3f58, fe1d52cc, 5fddd20, 0, fe1d52d0) at netbsd:syscall+0x
> 380
> ?(441c88, 1, ffffffff, ad4000, fd9bfda8, ad4000) at 1010d40
> 
> 	Then, after killing -9 the process (a kill doesn't kill it),
> 	the system panics with (I guess while pbulk removes the build tree
> 	or cleans up depends):
> 
> login: trap type 0x34: cpu 0, pc=1415130 npc=1415134 pstate=0xffffffffff82000e<AM,PRIV,IE>
> kernel trap 34: mem address not aligned
> Stopped in pid 0.9 (system) at  netbsd:pmap_page_protect+0x250: ld              
> [
> %l5 + 0x8], %i4
> db{0}> tr
> genfs_do_putpages(3310230, 3310230, 7fffffff, ffffe000, 51d, 0) at netbsd:genfs_do_putpages+0xa10
> genfs_putpages(31837868, 5c8c260, 5d85cc8, 31837cb0, 0, 0) at netbsd:genfs_putpages+0x24
> VOP_PUTPAGES(5d82b28, 0, 0, 0, 0, a) at netbsd:VOP_PUTPAGES+0x44
> uvm_vnp_setsize(5d82b28, 0, 0, 0, 0, 0) at netbsd:uvm_vnp_setsize+0x8c
> ffs_truncate(5d82b28, 0, 0, 0, ffffffff, 0) at netbsd:ffs_truncate+0x574
> ufs_truncate(5d82b28, ffffffff, 0, ffffffff, 3a5f5c0, 3da5000) at netbsd:ufs_truncate+0x1cc
> ufs_inactive(0, 20012, 31837b7c, 3da5000, 5d85cc8, 5d82b28) at netbsd:ufs_inactive+0x1c8
> VOP_INACTIVE(5d82b28, 31837bef, 4e5d7c0, 3a2d578, 31837bec, ffffffff) at netbsd: VOP_INACTIVE+0x2c
> vrelel(5d82b28, 0, 4e5d7c0, 0, 5d82b3c, 1) at netbsd:vrelel+0x380
> ufs_remove(0, 5c8c260, 5d85cc8, 31837cb0, 5d82b28, 5c93af8) at netbsd:ufs_remove+0xac
> VOP_REMOVE(5c93af8, 5d82b28, 31837d50, 0, 0, 2) at netbsd:VOP_REMOVE+0x30
> do_sys_unlinkat.isra.3(0, ff41a22c, 0, 0, 3daf400, 5d82b28) at netbsd:do_sys_unlinkat.isra.3+0x18c
> syscall(31837ed0, 31837f48, ff7049f8, 4e5d7c0, 0, ff7049fc) at netbsd:syscall+0x380
> ?(ff41a22c, 0, 4, ff402050, ff41a1d0, ff41a1d0) at 1010d40

> Stopped in pid 0.9 (system) at  netbsd:pmap_page_protect+0x250: ld [%l5 + 0x8], %i4

from ddb please "p $l5".  can you map pmap_page_protect+0x250
back to a specific line number?

thanks.


.mrg.