wifi module keep crashing while running deluge

asked 2017-12-17 16:08:12 -0600

Rabin gravatar image

While running Deluge (torrent client), my wifi link will randomly stop working after few minutes/hours. from dmesg output it seems like the module is crashing.

after seeing many errors like this in dmesg

Dec 17 15:06:04 localhost.localdomain kernel: iwlwifi 0000:04:00.0: Error sending LQ_CMD: enqueue_hcmd failed: -12
Dec 17 15:06:04 localhost.localdomain kernel: iwlwifi 0000:04:00.0: Error sending LQ_CMD: enqueue_hcmd failed: -12
Dec 17 15:06:04 localhost.localdomain kernel: swiotlb_tbl_map_single: 10637 callbacks suppressed
Dec 17 15:06:04 localhost.localdomain kernel: iwlwifi 0000:04:00.0: swiotlb buffer is full (sz: 76 bytes)
Dec 17 15:06:04 localhost.localdomain kernel: swiotlb_full: 10637 callbacks suppressed
Dec 17 15:06:04 localhost.localdomain kernel: iwlwifi 0000:04:00.0: DMA: Out of SW-IOMMU space for 76 bytes
Dec 17 15:06:04 localhost.localdomain kernel: iwlwifi 0000:04:00.0: Error sending LQ_CMD: enqueue_hcmd failed: -12

full message log - https://paste.fedoraproject.org/paste...

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