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...4 at 07:57:38AM -0400, Josh Boyer wrote: > > Hi All, > > > > We've had a report[1] of the virt_blk driver causing a lot of spew > > because it's calling a sleeping function from an invalid context. The > > backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. > > Hi Jens, pls see below - it looks like the call to blk_mq_end_io > from IRQ context is causing the issue. > IIUC you switched virtio to this from __blk_end_request_all in > > commit 1cf7e9c68fe84248174e998922b39e508375e7c1 > virtio_blk: blk-mq support > > Is t...

...4 at 07:57:38AM -0400, Josh Boyer wrote: > > Hi All, > > > > We've had a report[1] of the virt_blk driver causing a lot of spew > > because it's calling a sleeping function from an invalid context. The > > backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. > > Hi Jens, pls see below - it looks like the call to blk_mq_end_io > from IRQ context is causing the issue. > IIUC you switched virtio to this from __blk_end_request_all in > > commit 1cf7e9c68fe84248174e998922b39e508375e7c1 > virtio_blk: blk-mq support > > Is t...

Hi All, We've had a report[1] of the virt_blk driver causing a lot of spew because it's calling a sleeping function from an invalid context. The backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. The reporter is on CC and can give you relevant details. josh [1] https://bugzilla.redhat.com/show_bug.cgi?id=1113805 [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0 virtio-pci 0000:00:05.0: irq 40 for MSI/MSI-X virtio-pci 0000:00:05.0: irq 41 for MSI/MSI-X vda: vda1...

Hi All, We've had a report[1] of the virt_blk driver causing a lot of spew because it's calling a sleeping function from an invalid context. The backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. The reporter is on CC and can give you relevant details. josh [1] https://bugzilla.redhat.com/show_bug.cgi?id=1113805 [drm] Initialized bochs-drm 1.0.0 20130925 for 0000:00:02.0 on minor 0 virtio-pci 0000:00:05.0: irq 40 for MSI/MSI-X virtio-pci 0000:00:05.0: irq 41 for MSI/MSI-X vda: vda1...

...sh Boyer wrote: > > > Hi All, > > > > > > We've had a report[1] of the virt_blk driver causing a lot of spew > > > because it's calling a sleeping function from an invalid context. The > > > backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. > > > > Hi Jens, pls see below - it looks like the call to blk_mq_end_io > > from IRQ context is causing the issue. > > IIUC you switched virtio to this from __blk_end_request_all in > > > > commit 1cf7e9c68fe84248174e998922b39e508375e7c1 > > virtio_...

On Fri, Jun 27, 2014 at 07:57:38AM -0400, Josh Boyer wrote: > Hi All, > > We've had a report[1] of the virt_blk driver causing a lot of spew > because it's calling a sleeping function from an invalid context. The > backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. Hi Jens, pls see below - it looks like the call to blk_mq_end_io from IRQ context is causing the issue. IIUC you switched virtio to this from __blk_end_request_all in commit 1cf7e9c68fe84248174e998922b39e508375e7c1 virtio_blk: blk-mq support Is this always safe? I note that at least one oth...

...wrote: >>>> Hi All, >>>> >>>> We've had a report[1] of the virt_blk driver causing a lot of spew >>>> because it's calling a sleeping function from an invalid context. The >>>> backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. >>> >>> Hi Jens, pls see below - it looks like the call to blk_mq_end_io >>> from IRQ context is causing the issue. >>> IIUC you switched virtio to this from __blk_end_request_all in >>> >>> commit 1cf7e9c68fe84248174e998922b39e508375e7c1 >&...

...wrote: >>>> Hi All, >>>> >>>> We've had a report[1] of the virt_blk driver causing a lot of spew >>>> because it's calling a sleeping function from an invalid context. The >>>> backtrace is below. This is with kernel v3.16-rc2-69-gd91d66e88ea9. >>> >>> Hi Jens, pls see below - it looks like the call to blk_mq_end_io >>> from IRQ context is causing the issue. >>> IIUC you switched virtio to this from __blk_end_request_all in >>> >>> commit 1cf7e9c68fe84248174e998922b39e508375e7c1 >&...