It gets uglier. This is with just 2.6.15-rc5, linus.patch and
git-net.patch, btw:
We get a slab scribble. ppc64 and x86 seem OK. For some reason, x86_64
doesn't like it.
Starting pcmcia: [ OK ]
Setting network parameters: general protection fault: 0000 [1] <3>Slab corrupt2
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8035bf56>](sk_free+0xbb/0x125)
040: 00 00 00 00 00 00[ OK ]
Bringing up loopback int erface: 00 00 6b 6b 6b 6b 02 00 00 00
050: 00 22 8b 7f 01 81 ff ff 6b 6b 6b 6b 6b 6b 6b 6b
060: 00 00 00 00 00 00 00 00 6b 6b 6b 6b 02 00 00 00
070: 00 22 8b 7f 01 81 ff ff 6b 6b 6b 6b 6b 6b 6b 6b
080: 20 de 51 7d 01 81 ff ff 6b 6b 6b 6b 6b 6b 6b 6b
Prev obj: start=ffff81017e844ec0, len=832
Redzone: 0x5a2cf071/0x5a2cf071.
Last user: [<ffffffff8035bf56>](sk_free+0xbb/0x125)
000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
Next obj: start=ffff81017e845570, len=832
Redzone: 0x170fc2a5/0x170fc2a5.
Last user: [<ffffffff8035c41d>](sk_alloc+0x2e/0x1ae)
000: 01 00 07 00 00 00 00 00 c8 4d fa 7e 01 81 ff ff
010: 20 51 fa 7e 01 81 ff ff 00 00 00 00 00 00 00 00
PREEMPT SMP
CPU 2
Modules linked in: pcmcia yenta_socket rsrc_nonstatic pcmcia_core video
Pid: 3290, comm: udev Not tainted 2.6.15-rc5 #17
RIP: 0010:[<ffffffff801478a5>] <ffffffff801478a5>{prepare_to_wait_exclusive+60}
RSP: 0018:ffff81017d51dda8 EFLAGS: 00010046
RAX: ffff81017e845290 RBX: ffff81017d51de08 RCX: ffff81017d51de20
RDX: 6b6b6b6b6b6b6b6b RSI: 0000000000000213 RDI: ffff81017e845278
RBP: ffff81017d51ddc8 R08: 0000000000000000 R09: 000000302062d620
R10: 00007ffffffe0ea0 R11: 0000000000000246 R12: ffff81017e845278
R13: 0000000000000002 R14: ffff81017d51de08 R15: ffff81017da54868
FS: 00002aaaaaadcde0(0000) GS:ffffffff80625900(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 0000003020465cc0 CR3: 000000017d966000 CR4: 00000000000006e0
Process udev (pid: 3290, threadinfo ffff81017d51c000, task ffff81017f8b2200)
Stack: ffff81017d51ddc8 ffff81017e845258 ffff81017e845218 ffff81017e845278
ffff81017d51de58 ffffffff8035ce09 0000000000000000 ffff81017f8b2200
ffffffff80147940 ffff81017d51de20
Call Trace:<ffffffff8035ce09>{lock_sock+161} <ffffffff80147940>{autoremove_wake}
<ffffffff803ad39c>{unix_release_sock+557} <ffffffff80147940>{autoremove_}
<ffffffff8035a7b6>{sock_fasync+124} <ffffffff8035a8b5>{sock_close+46}
<ffffffff80176f50>{__fput+195} <ffffffff8017703e>{fput+21}
<ffffffff80175887>{filp_close+100} <ffffffff8017592f>{sys_close+154}
<ffffffff8010db9e>{system_call+126}
Code: 48 89 0a 48 89 51 08 48 83 7b 08 00 74 0f 49 63 c5 65 48 8b
RIP <ffffffff801478a5>{prepare_to_wait_exclusive+60} RSP <ffff81017d51dda8>
<3>Debug: sleeping function called from invalid context at include/linux/rwsem3
in_atomic():1, irqs_disabled():1
Call Trace:<ffffffff8012aab8>{__might_sleep+193} <ffffffff80132f62>{profile_tas}
<ffffffff80134709>{do_exit+37} <ffffffff803ecc07>{_spin_unlock_irqrestor}
<ffffffff8010f93e>{die_nmi+0} <ffffffff803ed27e>{do_general_protection+2}
<ffffffff8010eb4d>{error_exit+0} <ffffffff801478a5>{prepare_to_wait_excl}
<ffffffff80147887>{prepare_to_wait_exclusive+30} <ffffffff8035ce09>{lock}
<ffffffff80147940>{autoremove_wake_function+0} <ffffffff803ad39c>{unix_r}
<ffffffff80147940>{autoremove_wake_function+0} <ffffffff8035a7b6>{sock_f}
<ffffffff8035a8b5>{sock_close+46} <ffffffff80176f50>{__fput+195}
<ffffffff8017703e>{fput+21} <ffffffff80175887>{filp_close+100}
<ffffffff8017592f>{sys_close+154} <ffffffff8010db9e>{system_call+126}
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