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nfsd oops in 2.6.7-rc1

DISCUSSION Christian Leber 2 participants 2 messages Jun 2, 2004

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Christian Leber

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#0 lore raw

2.6.7-rc1 on 4x opteron with very low nfs load, after this nfs stopped working and didn't unload

Kernel BUG at nfsfh:276
invalid operand: 0000 [1] SMP
CPU 0
Modules linked in: nfsd exportfs nls_iso8859_1 raw iptable_mangle

iptable_nat ip_conntrack iptable_filter ip_tables ip6table_filter ip6_tables joydev st sr_mod floppy autofs usbserial parport_pc lp parport thermal processor fan button battery ac ipv6 af_packet mptscsih usbcore tg3 mptbase hw_random evdev binfmt_misc dm_mod
Pid: 14415, comm: nfsd Not tainted 2.6.7-rc1

RIP: 0010:[<ffffffffa016d76c>] <ffffffffa016d76c>{:nfsd:fh_compose+412}
RSP: 0018:00000100dcd69d88  EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000100df412000 RCX: 00000100db71a000
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 00000100df412000
RBP: 00000100b6578db0 R08: 00000100dcd69c98 R09: 0000000000000000
R10: 00000100dcd69cf8 R11: 0000000000000048 R12: 0000000000800002
R13: 00000100bac5c168 R14: 00000100db71a000 R15: 00000100b5493990
FS:  0000002a9588d6e0(0000) GS:ffffffff80566080(0000) knlGS:000000000a1af280
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000f78338 CR3: 0000000000101000 CR4: 00000000000006e0
Process nfsd (pid: 14415, threadinfo 00000100dcd68000, task
00000100dae416b0)
Stack: 00000100dcd69dd8 00000100b5489978 00000100b5493990 00000100dfc320f8
       00000100b5493900 00000100db71a000 0000000000000007 0000010001e798ac
       0000010080ecd400 0000000000000000
Call Trace:<ffffffffa01716c4>{:nfsd:nfsd_lookup+1060}
<ffffffff803b80a4>{svc_udp_recvfrom+308}
       <ffffffffa016d1a4>{:nfsd:nfsd_proc_lookup+132}
<ffffffffa016b120>{:nfsd:nfsd_dispatch+256}
       <ffffffff803b6a23>{svc_process+947} <ffffffffa016b450>{:nfsd:nfsd+0}
       <ffffffffa016b695>{:nfsd:nfsd+581}
<ffffffff80134f8e>{schedule_tail+14}
       <ffffffff80111377>{child_rip+8} <ffffffffa016b450>{:nfsd:nfsd+0}
       <ffffffffa016b450>{:nfsd:nfsd+0} <ffffffff8011136f>{child_rip+0}
Code: 0f 0b 03 6e 18 a0 ff ff ff ff 14 01 f0 ff 45 00 48 89 ab 88

RIP <ffffffffa016d76c>{:nfsd:fh_compose+412} RSP <00000100dcd69d88>

Regards
Christian Leber

Signature · 3 lines
  "Omnis enim res, quae dando non deficit, dum habetur et non datur,
   nondum habetur, quomodo habenda est."       (Aurelius Augustinus)
  Translation: <http://gnuhh.org/work/fsf-europe/augustinus.html>
#1 lore raw
Quoted 3 lines · On Thursday June 3, [email protected] wrote:

2.6.7-rc1 on 4x opteron with very low nfs load, after this nfs stopped working and didn't unload

opteron oops reports don't seem to be as easy to read as i386, but I am fairly certain that this is a bug that has since been fixed. The fix is in rc2-mm1 or probably the latest BK snapshot.

NeilBrown

Quoted 52 lines

Kernel BUG at nfsfh:276
invalid operand: 0000 [1] SMP
CPU 0
Modules linked in: nfsd exportfs nls_iso8859_1 raw iptable_mangle

iptable_nat ip_conntrack iptable_filter ip_tables ip6table_filter ip6_tables joydev st sr_mod floppy autofs usbserial parport_pc lp parport thermal processor fan button battery ac ipv6 af_packet mptscsih usbcore tg3 mptbase hw_random evdev binfmt_misc dm_mod
Pid: 14415, comm: nfsd Not tainted 2.6.7-rc1

RIP: 0010:[<ffffffffa016d76c>] <ffffffffa016d76c>{:nfsd:fh_compose+412}
RSP: 0018:00000100dcd69d88  EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000100df412000 RCX: 00000100db71a000
RDX: 0000000000000000 RSI: 0000000000000020 RDI: 00000100df412000
RBP: 00000100b6578db0 R08: 00000100dcd69c98 R09: 0000000000000000
R10: 00000100dcd69cf8 R11: 0000000000000048 R12: 0000000000800002
R13: 00000100bac5c168 R14: 00000100db71a000 R15: 00000100b5493990
FS:  0000002a9588d6e0(0000) GS:ffffffff80566080(0000) knlGS:000000000a1af280
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000000000f78338 CR3: 0000000000101000 CR4: 00000000000006e0
Process nfsd (pid: 14415, threadinfo 00000100dcd68000, task
00000100dae416b0)
Stack: 00000100dcd69dd8 00000100b5489978 00000100b5493990 00000100dfc320f8
       00000100b5493900 00000100db71a000 0000000000000007 0000010001e798ac
       0000010080ecd400 0000000000000000
Call Trace:<ffffffffa01716c4>{:nfsd:nfsd_lookup+1060}
<ffffffff803b80a4>{svc_udp_recvfrom+308}
       <ffffffffa016d1a4>{:nfsd:nfsd_proc_lookup+132}
<ffffffffa016b120>{:nfsd:nfsd_dispatch+256}
       <ffffffff803b6a23>{svc_process+947} <ffffffffa016b450>{:nfsd:nfsd+0}
       <ffffffffa016b695>{:nfsd:nfsd+581}
<ffffffff80134f8e>{schedule_tail+14}
       <ffffffff80111377>{child_rip+8} <ffffffffa016b450>{:nfsd:nfsd+0}
       <ffffffffa016b450>{:nfsd:nfsd+0} <ffffffff8011136f>{child_rip+0}
Code: 0f 0b 03 6e 18 a0 ff ff ff ff 14 01 f0 ff 45 00 48 89 ab 88

RIP <ffffffffa016d76c>{:nfsd:fh_compose+412} RSP <00000100dcd69d88>

Regards
Christian Leber

Signature · 8 lines
  "Omnis enim res, quae dando non deficit, dum habetur et non datur,
   nondum habetur, quomodo habenda est."       (Aurelius Augustinus)
  Translation: <http://gnuhh.org/work/fsf-europe/augustinus.html>
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