With the current Linus git tree I get an occasional swiotlb allocation error during network setup at boot-time:
ATL1E 0000:02:00.0: swiotlb buffer is full (sz: 529461 bytes) swiotlb: coherent allocation failed for device 0000:02:00.0 size=529461 CPU: 0 PID: 200 Comm: ifconfig Not tainted 4.2.0-11400-gdfb22fc5c0eb-dirty #113 Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011 00000000ffffffff ffffffff812b8d33 ffffffffffffffff ffffffff812da574 ffffffff00000008 ffff880216827000 ffff880216827740 ffff880216af0000 0000000000081435 ffffffff81c163c0 ffff880216b1b800 ffffffff814e3b1d Call Trace: [<ffffffff812b8d33>] ? dump_stack+0x40/0x6d [<ffffffff812da574>] ? swiotlb_alloc_coherent+0x134/0x160 [<ffffffff814e3b1d>] ? atl1e_open+0xfd/0x460 [<ffffffff815ddfa2>] ? __dev_open+0x82/0x100 [<ffffffff815de271>] ? __dev_change_flags+0x91/0x160 [<ffffffff815de35e>] ? dev_change_flags+0x1e/0x60 [<ffffffff815d9b14>] ? dev_get_by_name_rcu+0x54/0x80 [<ffffffff8164c256>] ? devinet_ioctl+0x5d6/0x6a0 [<ffffffff815c418d>] ? sock_ioctl+0xed/0x1e0 [<ffffffff811258b1>] ? do_vfs_ioctl+0x291/0x480 [<ffffffff81063940>] ? __do_page_fault+0x140/0x380 [<ffffffff81125ad6>] ? SyS_ioctl+0x36/0x80 [<ffffffff8106a297>] ? entry_SYSCALL_64_fastpath+0x12/0x66 ATL1E 0000:02:00.0 eth0: pci_alloc_consistent failed, size = D529461 This happens every forth or fifth boot, so the issue is not bisectable. -- Markus -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
