This bug is missing log files that will aid in diagnosing the problem.
While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1703944
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: xenial
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https://bugs.launchpad.net/bugs/1703944
Title:
ethtool - "vmalloc: allocation failure: 0 bytes" message
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Xenial:
New
Bug description:
If ->get_regs_len() callback return 0, we allocate 0 bytes of memory,
what print the following warning in kern.log :
vmalloc: allocation failure: 0 bytes
ethtool: page allocation failure: order:0, mode:0x24080c2
CPU: 21 PID: 7668 Comm: ethtool Tainted: G 4.4.0-62-generic #83-Ubuntu
Hardware name:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
0000000000000286 000000005949f325 ffff8801fddcfba8 ffffffff813f7c63
00000000024080c2 ffffffff81ccfe30 ffff8801fddcfc38 ffffffff8119498a
ffffffff81ccfe30 ffff8801fddcfbc8 0000000000000018 ffff8801fddcfc48
Call Trace:
[<ffffffff813f7c63>] dump_stack+0x63/0x90
[<ffffffff8119498a>] warn_alloc_failed+0xfa/0x150
[<ffffffff811d1082>] __vmalloc_node_range+0x202/0x290
[<ffffffff8183812e>] ? _raw_spin_unlock_bh+0x1e/0x20
[<ffffffff811d1214>] vzalloc+0x54/0x60
[<ffffffff81733c57>] ? dev_ethtool+0xfc7/0x1ef0
[<ffffffff81733c57>] dev_ethtool+0xfc7/0x1ef0
[<ffffffff81746362>] dev_ioctl+0x182/0x580
[<ffffffff8170d4a2>] sock_do_ioctl+0x42/0x50
[<ffffffff8170d9a2>] sock_ioctl+0x1d2/0x290
[<ffffffff812227af>] do_vfs_ioctl+0x29f/0x490
[<ffffffff8106b514>] ? __do_page_fault+0x1b4/0x400
[<ffffffff81222a19>] SyS_ioctl+0x79/0x90
[<ffffffff818385f2>] entry_SYSCALL_64_fastpath+0x16/0x71
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