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0ac2e39d57
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imp 0ac2e39d57 Try polling the qpairs on timeout. 
On some systems, we're getting timeouts when we use multiple queues on
drives that work perfectly well on other systems. On a hunch, Jim
Harris suggested I poll the completion queue when we get a timeout.
This patch polls the completion queue if no fatal status was
indicated. If it had pending I/O, we complete that request and
return. Otherwise, if aborts are enabled and no fatal status, we abort
the command and return. Otherwise we reset the card.

This may clear up the problem, or we may see it result in lots of
timeouts and a performance problem. Either way, we'll know the next
step. We may also need to pay attention to the fatal status bit
of the controller.

PR: 211713
Suggested by: Jim Harris
Sponsored by: Netflix
2018-03-16 05:23:48 +00:00
..
amd64 Remove stray ; at end of linux_vdso_deinstall() 2018-03-14 13:20:36 +00:00
arm arm: Remove SoC Specific -MMCCAM kernelconfig 2018-03-11 23:14:50 +00:00
arm64 EFIRT: SetVirtualAddressMap with 1:1 mapping after exiting boot services 2018-03-13 17:10:52 +00:00
bsm sys: further adoption of SPDX licensing ID tags. 2017-11-20 19:43:44 +00:00
cam Fix iSCSI target crash on session reinstation. 2018-03-15 17:36:13 +00:00
cddl MFV r330973: 9164 assert: newds == os->os_dsl_dataset 2018-03-15 08:49:21 +00:00
compat Fix compliancy of the kstrtoXXX() functions in the LinuxKPI, by skipping 2018-03-14 19:51:28 +00:00
conf Reverting r330925 for now 2018-03-15 06:19:45 +00:00
contrib Merge ACPICA 20180313. 2018-03-14 23:45:48 +00:00
crypto aesni(4): Stylistic/comment enhancements 2018-03-15 16:17:02 +00:00
ddb db_script_exec: use a saved script name when reporting commands executed 2018-03-04 13:27:21 +00:00
dev Try polling the qpairs on timeout. 2018-03-16 05:23:48 +00:00
dts [rpi] remove IRQ support for BCM233x RNG 2018-03-10 02:49:58 +00:00
fs Fix Bad file descriptor error. 2018-03-09 04:45:24 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom g_access: deal with races created by geoms that drop the topology lock 2018-03-15 09:16:10 +00:00
gnu bwn(4): txpid2g/txpid5g[lh] are not defined after sromrev 7; the default 2018-02-13 17:43:54 +00:00
i386 Remove stray ; at end of linux_vdso_deinstall() 2018-03-14 13:20:36 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern vfs_bio.c: Apply cleanups motivated by Coverity analysis 2018-03-14 22:11:45 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern iconv uses strlen directly on user supplied memory 2018-02-26 18:23:36 +00:00
mips MIPS: Implement fue*word* and casueword* in assembly. 2018-03-12 22:10:06 +00:00
modules Add required interface header. 2018-03-16 02:46:08 +00:00
net Correct comment for IFM_IEEE80211_VHT media variant. 2018-03-15 23:32:29 +00:00
net80211 net80211: wrap protection frame allocation into ieee80211_alloc_prot() 2018-03-09 11:33:56 +00:00
netgraph Correct pseudo misspelling in sys/ comments 2018-02-23 18:15:50 +00:00
netinet Update tcp_lro with tested bugfixes from Netflix and LLNW: 2018-03-09 00:08:43 +00:00
netinet6 Update the MTU in affected routes when IPv6 RA changes the MTU 2018-02-12 19:49:20 +00:00
netipsec Rework key_sendup_mbuf() a bit: 2018-03-11 19:14:01 +00:00
netpfil Do not try to reassemble IPv6 fragments in "reass" rule. 2018-03-12 09:40:46 +00:00
netsmb Unsign some values related to allocation. 2018-01-22 02:08:10 +00:00
nfs Modernize nfssvc(2) registartion. 2018-02-08 20:09:42 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Make sure VNET is set when calling sa6_recoverscope() in ibcore. 2018-03-07 13:32:52 +00:00
opencrypto Move per-operation data out of the csession structure. 2018-01-26 23:21:50 +00:00
powerpc Reverting r330925 for now 2018-03-15 06:19:45 +00:00
riscv Unify bulk free operations in several pmaps. 2018-03-04 20:53:20 +00:00
rpc Do pass removing some write-only variables from the kernel. 2017-12-25 04:48:39 +00:00
security mac_portacl(4): stop panicing INVARIANTS-enabled kernel by loading .ko 2018-02-25 23:10:13 +00:00
sparc64 amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
sys Fix FSACTL_GET_NEXT_ADAPTER_FIB under 32-bit compat. 2018-03-14 21:11:41 +00:00
teken sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
tests
tools Avoid using \$. It's an unknown escape sequence. Some awks warn about 2018-01-28 05:13:08 +00:00
ufs This change is some refactoring of Mark Johnston's changes in r329375 2018-03-02 04:34:53 +00:00
vm Eliminate pageout wakeup races. Take another step towards lockless 2018-03-15 19:23:07 +00:00
x86 at_rtc: check in ACPI FADT boot flags if the RTC is present 2018-03-13 09:42:33 +00:00
xdr sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
xen sys: general adoption of SPDX licensing ID tags. 2017-11-27 15:23:17 +00:00
Makefile Move sys/boot to stand. Fix all references to new location 2017-11-14 23:02:19 +00:00