Seeing this same BUG all over the place at boot - some 30 times just getting
to a single-user prompt and saving a dmesg. Everything from netlink to execve
to ext4 file I/O to process exit time.
[ 3.746004] BUG: sleeping function called from invalid context at mm/page_alloc.c:3775
[ 3.746091] in_atomic(): 1, irqs_disabled(): 0, pid: 385, name: systemd-vconsol
[ 3.746162] 2 locks held by systemd-vconsol/385:
[ 3.746164] #0:
[ 3.746166] (
[ 3.746167] &sig->cred_guard_mutex
[ 3.746169] ){+.+.+.}
[ 3.746170] , at:
[ 3.746175] [<ffffffffa93ebc58>] prepare_bprm_creds+0x38/0xf0
[ 3.746177] #1:
[ 3.746178] (
[ 3.746179] &(ptlock_ptr(page))->rlock
[ 3.746181] #2
[ 3.746182] ){+.+...}
[ 3.746184] , at:
[ 3.746189] [<ffffffffa9352949>] unmap_page_range+0x479/0x1280
[ 3.746193] CPU: 2 PID: 385 Comm: systemd-vconsol Tainted: G W 4.9.0-rc7-next-20161129-dirty #361
[ 3.746194] Hardware name: Dell Inc. Latitude E6530/07Y85M, BIOS A17 08/19/2015
[ 3.746196] Call Trace:
[ 3.746202] dump_stack+0x7b/0xd1
[ 3.746206] ___might_sleep+0x194/0x300
[ 3.746210] __alloc_pages_nodemask+0x13f/0x730
[ 3.746213] __get_free_pages+0x18/0x60
[ 3.746217] __tlb_remove_page_size+0x8b/0x120
[ 3.746221] unmap_page_range+0x866/0x1280
[ 3.746224] ? release_pages+0x158/0x750
[ 3.746229] unmap_single_vma+0x13b/0x180
[ 3.746232] unmap_vmas+0x37/0x60
[ 3.746235] exit_mmap+0x8f/0x190
[ 3.746240] mmput+0x9c/0x250
[ 3.746243] flush_old_exec+0x559/0xf40
[ 3.746247] load_elf_binary+0x35d/0x1930
[ 3.746251] ? preempt_count_sub+0x4a/0x90
[ 3.746255] search_binary_handler+0xbc/0x260
[ 3.746258] do_execveat_common.isra.30+0x9dd/0x1270
[ 3.746261] ? do_execveat_common.isra.30+0x905/0x1270
[ 3.746264] SyS_execve+0x3a/0x50
[ 3.746267] do_syscall_64+0x8c/0x290
[ 3.746271] entry_SYSCALL64_slow_path+0x25/0x25
[ 3.746273] RIP: 0033:0x7f33befaac47
[ 3.746275] RSP: 002b:00007ffd24cea888 EFLAGS: 00000202 ORIG_RAX: 000000000000003b
[ 3.746279] RAX: ffffffffffffffda RBX: 00005585dae94ea4 RCX: 00007f33befaac47
[ 3.746281] RDX: 00007ffd24ceaab8 RSI: 00007ffd24cea930 RDI: 00005585dae94fd4
[ 3.746283] RBP: 00007ffd24cea9c0 R08: 0000000000000000 R09: 0000000000000000
[ 3.746285] R10: 0000000000000008 R11: 0000000000000202 R12: 00005585dae94801
[ 3.746287] R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd24cea8d0
Attachment:
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