Re: BUG: using smp_processor_id() in preemptible [00000000] code]
Hello, Am Montag, den 13. Juni schrieb Adam Morrison: > On Mon, Jun 13, 2016 at 4:06 PM, M G Berberich > <berbe...@fmi.uni-passau.de> wrote: > > > Hello, > > > >> >> With 4.7-rc2, after detecting a USB Mass Storage device > >> >> > >> >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected > >> >> > >> >> a constant flow of kernel-BUGS is reported (several per second). > > > > […] > > > >> > This looks like a bug in the memory management subsystem. It should be > >> > reported on the linux-mm mailing list (CC'ed). > >> > >> This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed. > > > > Not fixed in 4.7-rc3 > > These patches should fix the issue: > > https://lkml.org/lkml/2016/6/1/310 > https://lkml.org/lkml/2016/6/1/311 FYIO: They do, indeed. > I'm not sure why they weren't applied... will ping the maintainers. MfG bmg -- „Des is völlig wurscht, was heut beschlos- | M G Berberich sen wird: I bin sowieso dagegn!“ | m...@m-berberich.de (SPD-Stadtrat Kurt Schindler; Regensburg) | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: BUG: using smp_processor_id() in preemptible [00000000] code]
Hello, Am Donnerstag, den 09. Juni schrieb Nadav Amit: > Alan Stern <st...@rowland.harvard.edu> wrote: > > > On Thu, 9 Jun 2016, M G Berberich wrote: > > > >> With 4.7-rc2, after detecting a USB Mass Storage device > >> > >> [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected > >> > >> a constant flow of kernel-BUGS is reported (several per second). […] > > This looks like a bug in the memory management subsystem. It should be > > reported on the linux-mm mailing list (CC'ed). > > This bug is IOMMU related (mailing list CC’ed) and IIUC already fixed. Not fixed in 4.7-rc3 MfG bmg -- „Des is völlig wurscht, was heut beschlos- | M G Berberich sen wird: I bin sowieso dagegn!“ | m...@m-berberich.de (SPD-Stadtrat Kurt Schindler; Regensburg) | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
BUG: using smp_processor_id() in preemptible [00000000] code]
Hello, With 4.7-rc2, after detecting a USB Mass Storage device [ 11.589843] usb-storage 4-2:1.0: USB Mass Storage device detected a constant flow of kernel-BUGS is reported (several per second). [ 11.599215] BUG: using smp_processor_id() in preemptible [] code: systemd-udevd/389 [ 11.599218] caller is debug_smp_processor_id+0x17/0x20 [ 11.599220] CPU: 4 PID: 389 Comm: systemd-udevd Not tainted 4.7.0-rc2 #6 [ 11.599220] Hardware name: Gigabyte Technology Co., Ltd. H87-HD3/H87-HD3, BIOS F10 08/18/2015 [ 11.599223] 88080466b6c8 813fc42d 0004 [ 11.599224] 81cc1da3 88080466b6f8 8141a0f6 [ 11.599226] 880809fe8d98 0001 000f 88080466b708 [ 11.599226] Call Trace: [ 11.599229] [] dump_stack+0x4f/0x72 [ 11.599231] [] check_preemption_disabled+0xd6/0xe0 [ 11.599233] [] debug_smp_processor_id+0x17/0x20 [ 11.599235] [] alloc_iova_fast+0xb6/0x210 [ 11.599238] [] ? __wait_on_bit+0x6f/0x90 [ 11.599240] [] intel_alloc_iova+0x9d/0xd0 [ 11.599241] [] __intel_map_single+0x93/0x190 [ 11.599242] [] intel_map_page+0x34/0x40 Please see https://bugzilla.kernel.org/show_bug.cgi?id=119801 for a more complete kernel-log MfG bmg -- „Des is völlig wurscht, was heut beschlos- | M G Berberich sen wird: I bin sowieso dagegn!“ | m...@m-berberich.de (SPD-Stadtrat Kurt Schindler; Regensburg) | -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
