I have a wandboard quad that is running Fedora Rawhide 22,
updated yesterday to the latest packages.
I am using wired ethernet, and Fedora is installed and running
from a SATA disk, but using a micro SD to run uboot and load the
kernel. Everything else is on the SATA disk.
I get the following warning, typically only once per boot-cycle.
The kernel otherwise appears to run properly.
Should I file this in bugzilla? I'm a bit new to how Fedora ARM
devs prefer to receive reports like this. (I.e. discuss here
first, or go right to a bug report?)
Steve
[root@quad ~]# [28261.908858] ------------[ cut here ]------------
[28261.913598] WARNING: CPU: 0 PID: 0 at lib/dma-debug.c:1080 check_unmap+0x160/0x824()
[28261.921411] fec 2188000.ethernet: DMA-API: device driver tries to free DMA memory it
has not allocated [device address=0x0000000000000000] [size=66 bytes]
[28261.935420] Modules linked in: rpcsec_gss_krb5 bnep btsdio bluetooth snd_soc_sgtl5000
snd_soc_fsl_ssi snd_soc_fsl_spdif imx_pcm_fiq imx_pcm_dma imx_ipuv3_crtc(C)
snd_soc_imx_sgtl5000 snd_soc_imx_spdif snd_soc_core brcmfmac snd_compress
snd_pcm_dmaengine brcmutil ac97_bus snd_seq cfg80211 snd_seq_device rfkill snd_pcm
snd_soc_imx_audmux imx_ipu_v3 snd_timer imx_sdma ci_hdrc_imx imx_hdmi(C) ci_hdrc udc_core
snd imxdrm(C) usbmisc_imx drm_kms_helper imx_thermal soundcore imx2_wdt drm mmc_block
at803x sdhci_esdhc_imx fec sdhci_pltfm ahci_imx libahci_platform ptp sdhci pps_core
i2c_imx mmc_core phy_mxs_usb pwm_imx rtc_snvs
[28261.991371] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G C
3.17.0-0.rc3.git3.1.fc22.armv7hl #1
[28262.000780] [<c0218ffc>] (unwind_backtrace) from [<c0212bf0>]
(show_stack+0x18/0x1c)
[28262.008609] [<c0212bf0>] (show_stack) from [<c094d3e8>]
(dump_stack+0x84/0xb0)
[28262.015940] [<c094d3e8>] (dump_stack) from [<c0251690>]
(warn_slowpath_common+0x70/0x94)
[28262.024113] [<c0251690>] (warn_slowpath_common) from [<c02516e8>]
(warn_slowpath_fmt+0x34/0x44)
[28262.032903] [<c02516e8>] (warn_slowpath_fmt) from [<c058f1f4>]
(check_unmap+0x160/0x824)
[28262.041072] [<c058f1f4>] (check_unmap) from [<c058f91c>]
(debug_dma_unmap_page+0x64/0x70)
[28262.049352] [<c058f91c>] (debug_dma_unmap_page) from [<bf0f99d0>]
(fec_enet_rx_napi+0x570/0x7b8 [fec])
[28262.058774] [<bf0f99d0>] (fec_enet_rx_napi [fec]) from [<c07ffaa4>]
(net_rx_action+0x108/0x2fc)
[28262.067562] [<c07ffaa4>] (net_rx_action) from [<c02563f4>]
(__do_softirq+0x184/0x4d0)
[28262.075465] [<c02563f4>] (__do_softirq) from [<c0256a24>]
(irq_exit+0x8c/0xfc)
[28262.082773] [<c0256a24>] (irq_exit) from [<c020f58c>]
(handle_IRQ+0x74/0x98)
[28262.089899] [<c020f58c>] (handle_IRQ) from [<c0208920>]
(gic_handle_irq+0x4c/0x70)
[28262.097545] [<c0208920>] (gic_handle_irq) from [<c0957204>]
(__irq_svc+0x44/0x5c)
[28262.105091] Exception stack(0xc0dc5f30 to 0xc0dc5f78)
[28262.110209] 5f20: 00000001 00000004 00000000
c0dd2228
[28262.118463] 5f40: c0dc4030 ed795648 c0dc1790 00000000 00000000 c0dd6a18 00000000
c0dc4000
[28262.126708] 5f60: 00000005 c0dc5f78 c029c118 c079f130 200d0013 ffffffff
[28262.133404] [<c0957204>] (__irq_svc) from [<c079f130>]
(cpuidle_enter_state+0x158/0x344)
[28262.141583] [<c079f130>] (cpuidle_enter_state) from [<c0293dc0>]
(cpu_startup_entry+0x260/0x480)
[28262.150446] [<c0293dc0>] (cpu_startup_entry) from [<c0ccfbcc>]
(start_kernel+0x390/0x3fc)
[28262.158686] ---[ end trace 8815d7e8f687b63a ]---
[28264.652639] abrt-action-che (998) used greatest stack depth: 4144 bytes left
[28265.955127] rpm (1003) used greatest stack depth: 4136 bytes left
[28483.020717] bacula-fd (988) used greatest stack depth: 3424 bytes left
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